b. NaNO2 So a mole of an H. C. 03 is 84.2 grams. The strongest elemental oxidizing agents are found in the _________ _________ region of the periodic table while the strongest reducing agents are found in the ________ ________ region of the periodic table. a. 1 e. energy content of neither system nor surroundings changes. e. 48 torr, Cinnamaldehyde (132.16 g/mol) is used as a flavoring agent. d. K(MnO4)2 e. Not enough information is given to determine which solution has the highest vapor pressure. The correct answer is: system loses energy while surroundings heat up. How do you find the mass in grams of Arsenic? Multiply by the number of moles we calculated. Gold's (Au) molar mass from the Periodic table is "196.966" g/mol. How much wor Earth has a radius of 6.38 106 m and rotates with a period of 23.9 hours. a. Density *Find thrce rcal numbers whose sum is and the sum of whosc squares is ;s small as possible. Let f be an integrable function on [a,b]: Then, forae.x (a,b), 3lim| [3t Prove _ mattux = nol solved correclly Expzin tho mislake and find Iho correcl solution Assume that the indicaled inverses exisf The equation XAEB,XeA-'0 Whal % tha mistake? ThoughtCo. c. 4.4 10-4 What is the mass of the flask when filled with heavy water at 20.0C? (b) Do you expect $\mathrm{CO}$ to be paramagnetic or diamagnetic? Which acts as a Lewis acid this reaction? a. B3+ Magnesium hydroxide (Mg(OH)), as Milk of Magnesia' can be used t0 neutralize excess stomach acid, represented by HClaq) as per the following reaction Mg(OH)z(s) + 2HClaq) MgClz(aq) + 2H-O() When 25.00 g of HCI are combined with 38 g of Mg(OH)z, what mass of MgClz can be produced Theoretical yield of MgClz Name the Limiting Reactant. d. 2n2. d. I3+ e. 16 p, 16 n, 15 e, Which of the following is a metalloid? 100 g C2H4 c. Three samples of wax are heated to 75C. What is the average mass in grams of one Zn atom chegg? Question 2 (10 marks)Use the binomial series to find the first four non-zero terms of (1 + x*)3/2,[4 Marks](i) Find the error using the terms found in (i) at x 0.2,[3 Marks](iii) The expressioncan be expressed in the form:a(x - b)? b. . B) Beaker #1 because it contains more moles of sulfur atoms versus the number of moles of arsenic atoms in Beaker #2. e. 72.0 lb. Which of the following is an example of an observation? It makes working with atoms easier because we work with moles rather than individual atoms. d. Ether c. 9.73 kg e. Buckene, The correct answer is: Buckminsterfullerene, Which type of polymerization reaction involves the combining of monomer molecules with two different functional groups resulting in the elimination of a small molecule, usually water? e. Dehydrogenation polymerization, The correct answer is: Condensation polymerization. 0.0197 Select one: Sxy +y27. a. b. First, you need to begin by converting from atoms to mols. e. 12, Which one of these choices is the general structural formula of an amino acid? How much energy, in joules, did the household use? d. O Now first of all we need to check if the reaction equation is balanced or not and we can see that it's not balanced. Thus, one mole of sodium weighs 23.0 g or one tenth of a mole of sodium weighs 2.3 g. 4. a. Srxn > 0, Hrxn > 0 Select one: e. 167 mL, What volume of water (d = 1.00 g/mL) should be added to 600. mL of ethanol in order to have a solution that boils at 95.0C? Here's how to use the information to determine the mass of a single atom. The axis of the first filter (filter A) makes an angle of 18 with the vertical and the axis of the second filter (filter B) makes an angle of 37 with the vertical. In order to do this, we will have to go from atoms, to mols, and finally to mass. a. its large radius that allows other atoms to fit easily around it. Select one: b. polystyrene. So this is gonna be more mold conversions. 12.9 kg You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Helmenstine, Anne Marie, Ph.D. (2021, June 2). (0) - (-1) 2(!) . a. Assume that the solute addition does not significantly change the volume of liquid in the beaker. a. upper left, lower right Attorneys may remove jurors via peremptory challenges. c. helium-3: 52He e. C0.43H, How many grams are contained in a 0.893 mol sample of methane, CH4? d. Poly-cis-isoprene -1.22 103 kJ/mol (The following information applies to the questions displayed below.] e. thermal energy is equal to the heat of vaporization. a. d. 3.8 x 103 g c. Compound A flows for 24.0 hours at an anode where the reaction occurring is as follows:Mn2+(aq) + 2H2O(l) MnO2(s) + 4H+(aq) + 2e- What mass of MnO2 is deposited at this anode? What is its empirical formula? c. Ester I am here to welcome you to the site! Find the mass, in cg, of 3.25 x 1021 atoms of lithium. all the columns for the element calcium are filled out correctly. . Which of the following lacks a regular three-dimensional arrangement of atoms? a. d. 0.33 (2.11e21 arsenic atoms) x (1 mol/6.02e23 atoms) = . 4.34 105 s-1 You can view more details on each measurement unit: molecular weight of Arsenic or mol The molecular formula for Arsenic is As. And now we said we multiply with 120.36 g per more. c. 0.15 M Both atomic mass and atomic weight rely on the atomic mass unit (amu), which is 1/12th the mass of an atom of . Um So for acid and from this point we can calculate the mass of magnesium sulfate by multiplying with the molar mass of magnesium sulfur, which we said is 1 20 .36 g per month. c. 100 g CCl4 So let's start with the H two S. 04 1st. Select one: O Select one: Mass numbers of typical isotopes of Germanium are 70; 72; 73; 74. d. Solutions A and B have the same vapor pressure and it is higher than the vapor pressure of solution C. c. Polystyrene The atomic mass is used to covert between grams and moles. )Find the probability that a package will weight between .8954g and .9456g. The atomic mass of potassium is approximately (a) 19 amu (b) 39 amu (c) 59 amu. b. PVC b. a. the unit cell a. In different types of solutions, solvents must be liquids. If there is one. Discuss circumcision and the arguments for and against it. What is the average mass, in grams, of one arsenic atom? Although this number is a constant, it contains too many significant figures to work with, so we use a rounded value of 6.022 x 1023. 1020 kJ/mol So now we're going to wear a gun problem. e. More that one of these oxides are amphoteric. d. 105B All right, So we need to substitute here. b. Emulsion The correct answer is: its ability to catenate. And then we need to use the Mowlam. S Select one: c. Hg(l), NaCl(s) a. Dehydration polymerization 10.0 lb The atomic number of nitrogen is (a) 14 (b) 7 (c) 12. But that's not relevant to this problem and sodium chloride. c. Hexane-acetic acid d. ion-dipole forces c. 40.9% b. ionic crystals 109 mmHg a. pyridinium chlorochromate OH OH CO_, B) One of these two molecules will undergo E2 elimination "Q reaction 7000 times faster. So the mole ratio here is going to be 1/1. Group 2A Arsenic is a chemical element with atomic number 33 which means there are 33 protons and 33 electrons in the atomic structure. b. May anybody who is good at the Human Resources in Health M&M Plain candies have a mean weight of .9147g and a standard deviation of .0369g. So this limits the amount of product that can be formed. This means that if you have 3x10 24 atoms of chlorine, it is the same as having 176.6 grams of chlorine. Id give a reason for your bo cac" the defir Biochem/pH review 1. How many grams Arsenic in 1 mol? Identify the functional group circled. Sorry this is magnesium. b. a. c. 0.145 (0) - (-1) 2(!) c. Pb Select one: c. He d. 2.35 10-17 M And then we can calculate the mess of magnesium sulfite from the number of moles of magnesium sulfate, which is equal to the number of moles of magnesium hydroxide. Select one: When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of . So four there will be six most of the ratio produced and actually covered the most of HBO into grams as well. e. > 1015 s-1, Calculate the frequency of visible light having a wavelength of 686 nm. b. critical point. b. Ethylenediaminetetraacetic acid (EDTA) is a. We started off one g of magnesium hydroxide. What is the [H3O+] for a 0.20 M solution of picric acid? Right now, we use mole ratio, Which is one over one to calculate the number of moles of magnesium sulfite in this case. One atomic mass unit is equal to 1.66 x 10-24 grams. Silicon is a nonmetal. a. b. The orbitals have the same energy order as those of the $\mathrm{N}_{2}$ molecule. T (C)-84.5-71.2-47.3P(mmHg)40.0100.0400.0 d. I2 and Cl- One mole of carbon is 6.022 x 1023 atoms of carbon (Avogadro's number). b. found in proteins is called a (an) b. H2(g), O2(g) (b) Do you expect $\mathrm{CO}$ to be paramagnetic or diamagnetic? (c) What is the bond order of $\mathrm{CO}$ ? 67.8 g Arsenic is a metalloid, meaning it shares some characteristics with metals, and some with non-metals. Avogadro's Number Example Problem: Mass of a Single Atom, Applying the Formula to Solve for Other Atoms and Molecules. d. Na(s), O2(g) The pH of a solution of Mg(OHJz is measured as 10.0 and the Ksp of Mg(OH)z is 5.6x 10-12 moles?/L3, Calculate the concentration of Mg2+ millimoles/L. e. 18.0 g, A certain compound of bromine and fluorine is used to make UF6, which is an important chemical in the processing and reprocessing of nuclear fuel. b)How far from the base of the cliff does the stone strike? What is the intermolecular force that exists between a magnesium ion and hydrogen sulfide? The vapor pressure of pure benzene at this temperature is 74.61 mmHg and its density is 0.87865 g/cm3; the vapor pressure of pure carbon tetrachloride is 91.32 mmHg and its density is 1.5940 g/cm3. (R = 8.314 J/K mol) 186 mL Select one: So four. a. light d. Hexane-diethyl ether d. NO2- b. ICl2 a. ICl (d) CO can react with OH$^{-}$ to form the formate ion, HCO$_{2}^{-}$ . There is insufficient evidence t0 support the null hypothesis (The following information applies to the questions displayed below.] b. Srxn > 0, Hrxn < 0 e. basic, For a chemical reaction to be spontaneous at all temperatures, which conditions must be met? Turning hair yellow with bleach a. d-Calculate the mass in grams of one calcium atom. Home; . b. Cu2+ d. alpha particle: 42He Select one: e. 100 g CO2, What is the average mass, in grams, of one atom of iron? 0.20 There are seven non-metals that are diatomic. e. 82.4C, Which of the following elements has the largest number of unpaired electrons in the ground state? d. H3C-CH2-N-CH3 0.1 M K2SO4 (You can see ect multiple answers if you think so) Your answer: Volumetric flask is used for preparing solutions and it has moderate estimate f the volume_ Capillary tube used in "coffee cup calorimeter" experiment: Indicator is used in "stoichiometry" experiment: Mass balance is used in all CHE1OO1 laboratory experiments Heating function of the hot plate is used in "changes of state' and "soap experiments_, 1 moleeuiet 1 Henci 1 1 olin, L Marvin JS 4h, A titration experiment is conducted in order to find the percent of NaHCOz In= baking powder package. b. 1.24 lb 1.85 What is the purpose of a salt bridge in an electrochemical cell? a. Zn2+ and Cu2+ This is why chemists use Avogadro's number. Complete the table below: if " = ICu = 2 =)(- + f-") fn ifn 2 3 all steps 1 265 Theorem:[Calculus, infnite power series for e ] e" =CXo finite number of terms from that infinite series, s0 uses polynomial Pn(z) of some degree - computer Or calculator can only use e" ~ Pn(z) = Ci 5 What is the electric field at point P, located at position (a, a), from the dipole shown in the figure below? a. BCl3 54 torr A) 5.48 10 -23 g B) 33.0 g C) 74.9 g D) 1.24 10 -22 g E) 8.04 10 21 g Ans: D Category: Easy Section: 3.2 11. Brz HzO, Question Which of the following statements is true ? b-How many atoms are there is 20.0 grams of calcium? b. water c. atomic mass. A salt bridge carries electrons between the cathode and anode. 1 Answer marfre Apr 15, 2017 #1.227 xx 10^-6# g of gold. d. 78.5 g What mass of cinnamaldehyde must be added to 175 g of ethanol to give a solution whose boiling point is 82.57C? Avogadro's number is one of the most important constants used in chemistry. Select one: So,. 34.7 kJ/mol So let's convert the massive sulphuric acid To the number of moles first. b. represents the polymer named e. -B-B-A-A-B-B-A-A-B-B-, The correct answer is: -A-B-A-B-A-B-A-B-A-B-, What is the name of the C60 molecule that resembles an architectural structure called a geodesic dome? a. KMnO3 (Each circle represents 1.0 10-3 mol of atoms, and the volume of the box is 1.0 L.)What is the autoionization constant for HX? The molar mass of an element is found on the periodic table, and it is the element's atomic weight in grams/mole (g/mol). d. Srxn < 0, Hrxn > 0 c. P(0) - 0 3. b. H-F Select one: b. d. 376 mmHg Select one: The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. . And then just compare this mass of magnesium sulfate With the massive mechanisms offer that will form if we start off with 0.605 g of so for a gas it. Molar Mass: the mass of one mole of an element CONVERSION FACTORS: 1 mole = 6.02 x 1023 atoms 1 mole = atomic mass (g) . a. We start with 4.65 x 10 21 arsenic atoms and we want to get to mass in g. This means, we want an equation that will cancel out atom units and leave us with units in grams. This means that its atomic weight is 58.85 g/mol, the atomic weight of cobalt. e. Polypropylene, Which of the following pairs of liquids is least likely to be miscible? b. Which of the following is least helpful in balancing an equation? Sturting with 4.00 Eor 32P ,how many Orama will remain altcr 420 dayu Exprett your anawer numerlcally grami VleY Avallable HInt(e) ASP, Which of the following statements is true (You can select multiple answers if you think so) Your answer: Actual yield is calculated experimentally and gives an idea about the succeed of an experiment when compared to theoretical yield: In acid base titration experiment; our scope is finding unknown concentration of an acid or base: In the coffee cup experiment; energy change is identified when the indicator changes its colour: Pycnometer bottle has special design with capillary hole through the. c. K2MnO4 This site is using cookies under cookie policy . The correct answer is: atomic mass. Which of the following is a molecular formula for a compound with an empirical formula of CH? One atomic mass unit is equal to 1.66 x 10-24 grams. Calculate the molecular or formula mass of rubidium carbonate, Rb2CO3. Select one: By definition, one atom of carbon-12 is assigned a mass of exactly 12 atomic mass units ( amu). B. L. Er screen times strangled over Approximately 78 grants the L. A. P. H. D. You can find this by going on the periodic table in any of the talent masses and only a 0.128 boats of a Girlish street. (The mass of one mole of arsenic is (The mass of one mole of arsenic is A: Given : number of arsenic atoms = 3.00 X 1021 atoms mass of 1 mole of arsenic = 74.92 g Which of the following polymers is used in plastic food bags and wraps? So let's substitute the values to calculate the number of models freak acid, 0.605g, divided by the molar mass of suffering acid, which is 98 08 Crimes Per Moon. . a. a. Aldehyde Circle the most stable moleculels. If you look at . So four aisles. m (As) = 238 mol As 74.922 g As/mol As 17300 g As (rounded to three significant figure) Your response is private Was this worth your time? e. BrF3, Which of the following substances contains the greatest mass of carbon? a. The amount of peremptory challenges attorneys may use are: Let < G,* > be abelian gTOup and S = { be G:|b = 1or | = 11 } Show that 5 ix # subgroup of G ? In which of the following compounds will the molecules not form hydrogen bonds with each other? Select all that apply: The halogen atom is nucleophilic The carbon atom attached to the magnesium reacts as carbanion: The carbon-magnesium bond is polarized with partial negative charge on carbon: The magnesium atom is less electronegative than the carbon atom: The carbon atom bonded to the magnesium is electrophilic: (2 points): Draw the products for the reaction and then draw the mechanism for the reaction below: In mechanisms, you must show all intermediates, lone pairs, formal charges and curved electron flow arrows. b. b. R-CH2-NH2 So we calculated the massive magnesium sulfate that could be formed in each case. d. Stonewaring c. the coordination number a. e. Te, What is defined as the number of waves that pass through a particular point in one second? 21.9 kJ/mol a. Calculate the molecular mass of tetraphosphorus decaoxide, P4O10, a corrosive substance which can be used as a drying agent. 0.67 One atomic mass unit is equal to 1.66 x 10 -24 grams. Well on the reaction side there are six plus six which is 12. The density of magnesium is 1.7 g/cm3, and the density of iron is 7.9 g/cm3. In this context, it is the number of atoms in one mole of an element. Select one: a. NaCl The correct answer is: vapor pressure is equal to or greater than the external pressure. 100 g CH4 e. Period 1, Which of these scientists developed the nuclear model of the atom? Sorry the number of moles of magnesium sulfate from the number of moles of magnesium hydroxide. ;^ +le As Fsjy< / c^A-ctive hollaw spbcre ~4h c^ 4^ 15 ~karjed 4dius b Ad 34tl~r Gad: Ce ce ctrie {^aec whole Jstcm C> 0 eleet(-stati eqliyi= WLe^ 4k{ 1-) Usia= 64us$` $ J (r < 4 ) (4 < 721) (bzr< s) 44 (o>c) eleetc fic |d, tne rej"s On ; fer fvA +h6 4e 4 O^ +le Fia tke in Ju#o charje > Pe| Jn' ii-) ~ +4a hollaw sphere 'caer 4 o4ter On Ju. c. NO3- Select one: A) 3.00 g B) 174 g C) 363 g D) 1.81 u 1024 g E) 40.3 g C) 363g Select the compound in which sulfur has its highest possible oxidation number. The correct answer is: Try different coefficients and subscripts to balance the number of atoms. Number of grams = 1.941g How Grams To Atoms Calculator Works? A mixture is a substance made by combing 2+ different materials in such a way that no chemical reaction . Use the molar mass as a conversion factor to get. Solute X has a molar mass of 30 g/mol. The thi P3/4/5 Problem 3 Plot the variation of total stress, pore water pressure, and effective stress with depth for the sand and clay layers shown in a figure below. a. one amino group and one amide group. b. vapor pressure is equal to or greater than the external pressure. Arsenic, Smaller mass is 74.9 grams per mole. Question 2 (10 marks) Use the binomial series to find the first four non-zero terms of (1 + x*)3/2, [4 Marks] (i) Find the error using the terms found in (i) at x 0.2, [3 Marks] (iii) The expression can be expressed in the form: a(x - b)? c. 3.45 kJ/mol e.125B. 3. Select one: What new isotope is also formed? Chemistry The Mole Concept The Mole. 1.8 torr c. BaO a. What other industrially important substances are produced in this process? c-What is the mass of 1.40x1020 atoms of calcium? b. See Answer 2, 2021, thoughtco.com/avogadros-number-example-chemistry-problem-609541. 1/2gt? a. c. 5p The correct answer is: Paraffin wax begins to melt at 57C. Question: Calculate the mass in grams of a single carbon (C) atom. QUESTION 26 What is the mass, in grams, of one arsenic atom (NA- 6.022 x 1023 mol-1? d. 4.87 kg c. temperature is equal to 273 K (standard temperature). Select one: Select one: 6.02 1023 g a. John Dalton So first we do this by comparing the ratios. 2. BYJU'S online grams to atoms calculator tool makes the conversion faster and it displays the conversion to atoms in a fraction of seconds. Now that you know how many mol of chlorine 3x10 24 atoms is equal to, you can use the molar mass to convert from mol to grams. d. 132 mL It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance. Could 2.5 grams of sodium bicarbonate neutralized? b. KMnO4 Select one: Because atoms are electrically neutral, the number of positively charged protons must be equal to the number of negatively charged electrons. Select one: d. R-CH-NH2 What is the coefficient of H2O when the following equation is properly balanced with the smallest set of whole numbers?___ Al4C3 + ___ H2O ___ Al(OH)3 + ___ CH4 So clearly the second attempt gave the least amount of product. e. NaOH(aq), H2(g). The maximum number of electrons that can occupy an energy level described by the principal quantum number, n, is O e. 165.93 mmHg. Yeah so fight Is equal to 0.74 two g. So let's recap we first of all balance the reaction equation and then I realized that we need to determine the limiting reactant here by comparing the mass of magnesium sulfur that can form when starting off with one g of magnesium hydroxide With the massive magnesium sulfate that can form when starting off with 0.605 g of um sulfuric acid. Please consider the following alkane. . *Find thrce rcal numbers whose sum is and the sum of whosc squares is ;s small as possible. MOLE PARTICLE (ATOM) MASS (g) 1 mole = molar mass (look it up on the PT!) You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings, which can also be found in the footer of the site. d. 55.85 g If this solution is ideal, its total vapor pressure at 20C is (p = proton, n = neutron, e = electron) (The mass of one mole of arsenic is 74.92 g.) 3.0010^21 atoms of As 1 mol As 6.02210^23atomsofAs74.92gAs1molAs=0.373gAs Determine the formula weight of KBr. IfX is the associated random variable, what is E(X)? e. 2.29 10-6 s-1, Which of the following subshells has the highest energy in the element tantalum? The original periodic table of the elements published by Dimitri Mendeleev in 1869 arranged the elements that were known at the time in order of increasing atomic weight, since this was prior to . Which one of these elements is not found in proteins? Tritium decays by beta decay and has a half-life of 12.3 yr. Thank you for taking initiative to check out Brainly and for posting your first question! a. NH3 e. Acetic acid-acetone, The correct answer is: Hexane-acetic acid, A solution is 40.00% by volume benzene (C6H6) in carbon tetrachloride at 20C. Select one: c. 12.15 Vitamin B1 is most soluble in _________. e. The solvent, Since zirconium is a metal, ZrO2 is expected to be a/an _____ oxide. For example, one atom of helium-4 has a mass of 4.0026 amu. Select one: Group 1A You use the periodic table to look up the mass of each atom (H is 1.01 and O is 16.00). c. 8 :(} 4. Show that a. P.(-x) =(-1)*P(x) b. a. Na(s), H2(g) d. one carboxylic acid group and one amino group. 2. Select one: There are 74.92 grams of arsenic in 1 mole of arsenic, so we can make another ratio. Select one: a. Chemistry Measurement Unit Conversions 1 Answer Teun Dec 15, 2016 So 4.03594014 1023grams Explanation: Here are some prefined values. d. -A-A-A-B-B-A-A-A-B-B- Select one: 1.66 10-24 g b. two amino groups and one carboxylic acid group. 0.1277 kg Pethanol = 50.0 torr at 25C. c. R-CH-OH it tells us how many grams are in one mole of that substance. A year ago, you purchased 300 shares of Stellar Wood Products, Inc. stock at a price of $8.62 per share. D .Explanation: The correct option is (D) 1.24 X 10-22 g. The atomic mass of arsenic is 74.92 amu, 1 mole of arsenic atom has 74.92g weight. e. 9, The vapor pressure of ethanol is 400. mmHg at 63.5C. 2 a. e. Srxn = 0, Hrxn = 0, The correct answer is: Srxn > 0, Hrxn < 0. The density of "heavy water" at 20.0C is 1.1053 g/mL. Find P(X > 2) A stone is thrown horizontally at 15 m/s from the top ofa cliff 44 m high; 8 Y How long does it take the stone to reach the bottom of the cliff? Select one: d. 116 mL e. octane. I need to answer the question with a paragraph. d. 32 p, 31 n, 32 e When you visit the site, Dotdash Meredith and its partners may store or retrieve information on your browser, mostly in the form of cookies. Choose the correct answer bolw Mired the koft mulplicwton property and Iha rkazht mutipiicallon poporty 0 B The mainx= should hav 11. d. 14C The nucleus is composed of protons and neutrons. Carbon monoxide is produced by incomplete combustion of fossil fuels. When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. e. molecular solids, Use the following data to determine the molar heat of vaporization of chlorine gas. d. Esterification This would be 0.25 liters time 0.5 solar concentration is able to 0.125 malls of H two S. 04 Well on this side we do some bold conversion. The objective of this problem is to get from a number of atoms, to a mass in grams. a. Given Cu2+(aq) + 2e- Cu(s) E = +0.34 V Al3+(aq) + 3e- Al(s) E = -1.66 V Na+(aq) + e- Na(s) E = -2.71 VWhich of the following reactions will occur? Let f be an integrable function on [a,b]: Then, forae.x (a,b), 3lim| [3tProve _, Mattux = nol solved correclly Expzin tho mislake and find Iho correcl solution Assume that the indicaled inverses exisf The equation XAEB,XeA-'0 Whal % tha mistake? c. 9.1 yr b. b. 119.00amu 39.10amu+79.90amu= 118.95 => 119.00amu c. Protein 16 p, 15 n, 16 e 65.39 g 1.09 x 10-22 8 3.94 x 10258 65.39 amu. That's what we're given 2.5 grams. d. 29.3100 g Radical polymerization For 12 C the atomic mass is exactly 12u, since the atomic mass unit is defined from it. The orbitals have the same energy order as those of the $\mathrm{N}_{2}$ molecule. Arsenic is a metal. b. upper right, lower left Select one: b. surroundings heat up, but there is no change in system's energy. a. e. AlCl3, Below is a representation of pure liquid HX, an amphoteric substance, at equilibrium. Arsenic | As | CID 5359596 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards . And now we can go ahead and do some calculations. Simply divide the relative atomic mass of the element by Avogadro's number to get the answer in grams. My name is agenthammerx, a Master Answerer and Engagement Team Member here on Brainly. Use a balance sheet to keep track of the number of elements. e. None of the answers is correct. A worker pulled a 30kg crate attached to a rope with a constant force of 25.0 N. The crate moved a distance of 6.0m. d. the liquid level in a capillary tube will drop below the surrounding liquid and the surface in the capillary tube will have a concave meniscus. Atomic weight is a weighted average of the mass of all the atoms of an element, based on the abundance of isotopes. 5 moles Arsenic to grams = 374.608 grams. (For ethanol, Kb = 1.22C/m; boiling point of pure ethanol = 78.37C) e. 0.29 M, What is the pH of a 0.014 M Ca(OH)2 solution?