When a spring is stretched from its equilibrium length The spring exerts force in the direction it is being stretched The spring exerts force in the direction opposite that it is being stretched The spring exerts a force normal to the direction it is being stretched The spring does not exert any force The direction of the force exerted by the spring depends on the sign of the spring constant,k A helium balloon released on the surface of the earth will rise into the air: A similar helium balloon. For 12 C the atomic mass is exactly 12u, since the atomic mass unit is defined from it. By definition, one atom of carbon-12 is assigned a mass of exactly 12 atomic mass units ( amu). 2. c. the coordination number May anybody who is good at the Human Resources in Health Care Organizations class help me with the assignment below. b. London dispersion forces d. Mn2+ and Ar d. 40 torr e. Ernest Rutherford, Potassium permanganate is a strong oxidizer that reacts explosively with easily oxidized materials. a. Aldehyde A) H2S B) SO2 C) SCl2 D) H2SO3 E) Na2SO4 E) Na2SO4 A 250. mL sample of 0.0328M HCl is partially neutralized by the addition of 100. mL of 0.0245M NaOH. What process involves the addition of a hydrogen molecule to compounds containing multiple bonds? Select one: BYJU'S online grams to atoms calculator tool makes the conversion faster and it displays the conversion to atoms in a fraction of seconds. What is the intermolecular force that exists between a magnesium ion and hydrogen sulfide? O Find P(X > 2), A stone is thrown horizontally at 15 m/s from the top ofa cliff 44 m high;8 YHow long does it take the stone to reach the bottom of the cliff?b)How far from the base of the cliff does the stone strike?1/2gt?tanOpposite Adjacent vsin(0Vcos(, Let ^ =and T : R' _ R'be thc lincar transformation dcfincd by:)-[:] 2 and find thcir algcbraic multipliciticsShow that the only cigcnvalucs of A arc(b) The cigenspace associated to cigcnwaluc A = 0 ise= "{L: I} Find basis for the cigcuspace Ez associated t0 cigcnvaluc A = 2 [Nutbcr % continucu On MAAT pagc]. Finding molar mass starts with units of grams per mole (g/mol). e. K+ and Cl-, What products are formed from the reaction of Cl2(g) with I-(aq)? Calculate the molecular mass of tetraphosphorus decaoxide, P4O10, a corrosive substance which can be used as a drying agent. b. a. Select one: Select one: 470 mL Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Mass of arsenic: Mass = number of moles molar mass Mass = 1 mol 74.9 g/mol Select one: b. KMnO4 Assume that the solute addition does not significantly change the volume of liquid in the beaker. c. P(0) - 0 3. Circle correct conclusion_There is sufficient evidence to support the alternative hypothesis_ 2) There is insufficient evidence to support the alternative hypothesis_ 3) There is sufficient evidence to support the null hypothesis.There is insufficient evidence t0 support the null hypothesis. e. 2.43 kg, The half-life of 14C is 5730 yr. a. Select one: That's what we're given 2.5 grams. An amino acid is a compound that contains at least So one grants cook healthy. d. Bismuth, Bi, Z = 83 d. -A-A-A-B-B-A-A-A-B-B- Temperature One mole of carbon is 6.022 x 1023 atoms of carbon (Avogadro's number). Select one: CH;CH CH CH,CH-CH_ HI Peroxide CH;CH,CH-CHz HBr ANSWER: CH;CH,CH,CH-CH; HBr Peroxide cH;CH_CH-CH; HCI Peroxide CH;CH CH CH,CH-CH_ 12 Peroxide CH;CH_CH-CH_ HCI CH;CH-CH; K,O C2 CH;CH,CH,CH-CH; BI2 Peroxide CH;CH_CH-CHCH_CH; HBr Peroxide. b. HFO3 Choose the correct answer bolw Mired the koft mulplicwton property and Iha rkazht mutipiicallon poporty 0 B The mainx= should hav 11. The atomic number of nitrogen is (a) 14 (b) 7 (c) 12. Thank you for taking initiative to check out Brainly and for posting your first question! + whereand are constants: Calculate the values of these constants. d. Stonewaring 186 mL d. Hexane-diethyl ether a. upper left, lower right 12.9% Select one: 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)? Select one: e. basic, Picric acid has been used in the leather industry and in etching copper. a. positron: 01B And the atomic massive option at 16 ages one so well approximately 18 g of HBO and everyone more mm. a. the unit cell What is the coordination number for Fe? :(} 4. 11. a-Calculate the mass in grams of 2.5 moles of calcium. (R)-4-methyl-2-hexyne (R)-3-methyl-4-hexyne d.(S)-4-methyl-2-hexyne, Identify the reaction which forms the product(s) by following non-Markovnikov ? 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. One atomic mass unit is equal to 1.66 x 10 -24 grams. To calculate the mass of a single atom, first look up the atomic mass of carbon from the periodic table. Use Rodrigue's formula to calculate P (4) Circle correct conclusion_ There is sufficient evidence to support the alternative hypothesis_ 2) There is insufficient evidence to support the alternative hypothesis_ 3) There is sufficient evidence to support the null hypothesis. b. Roasting e. None of these species is an ion. a. vapor pressure is exactly 1 atmosphere. Select all that apply OH, Question 5 The following molecule can be found in two forms: IR,2S,SR- stereoisomer and 1S,2R,SR-stereoisomer (OH functional group is on carbon 1) Draw both structures in planar (2D) and all chair conformations. Answer and Explanation: 1 Become a Study.com member to unlock this answer! e. Bi, The chlor-alkali process produces chlorine, Cl2(g), in large quantities. We assume you are converting between grams Arsenic and mole. d. number of neutrons. Number of atoms of arsenic = 6.0210 atoms. d. 4.87 kg So the Miller masses 36.46 grams per mole for h c e o. Group 2A Relative atomic mass The mass of an atom relative to that of carbon-12. e. Not enough information is given to determine which solution has the highest vapor pressure. C. d. amorphous solids If you look at . 15.69moles CH3OH 32.04 g 1mole CH3OH = 50.3 g . d. A salt bridge allows the electrolyte solution to siphon from one side of the cell to the other so the levels remain equal. CH3 CH3 CH3 d. 4.0 10-6 c. 366 mmHg Select one: b. BrF2 Select one: (NA = 6.022 x 1023 mol ) Multiple Choice o o 1.24 x 10-22 33.00 < Prev 8 of 25 Next > J BABE SPECIK This problem has been solved! So the mole ratio here is going to be 1/1. Then for most of n a. H c 03 we can go to malls of, uh, hydrochloric acid hcl and then from molds of HCL, we can go to Mass HCL, which is what we want. 2. d. Henry Moseley 4.0 10-3 a. See Answer Show transcribed image text Expert Answer Which of the following is not a polymer? 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? c. 3.5 e. Sodium, Na, Z = 11, The correct answer is: Bromine, Br, Z = 35, An atom of the isotope sulfur-31 consists of how many protons, neutrons, and electrons? d. wavelength c. 82.96 mmHg Complete the table below:if " = ICu = 2 =)(- + f-")fnifn 2 3all steps1265Theorem:[Calculus, infnite power series for e ]e" =CXofinite number of terms from that infinite series, s0 uses polynomial Pn(z) of some degree - computer Or calculator can only usee" ~ Pn(z) = Ci= 1We will focus on getting good approximation of below:=e-1 ~ Pa(-l)plz)Pn(-1)rounded B(-I- 10000 +0.6321 0.0000 0.3679 0.5000 +0.1321 00S45 +20071 0.3665 3,00121+I 1+2+ 2*, (2 + 2 +*)4 1+2+ =(6+ 62+314 +1&quo. 0.67 Select one: c. magnitude Select one: One atomic mass unit is equal to 1.66 x 10 -24 grams. So we're given one grab of another hydroxide and 24 millimeters of 0.5 molar concentration of H two S. 04 I mean we want to cover both of these into most that we can actually compare them. (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 e. Prediction, Which of the following cannot be separated into simpler substances by chemical means? The unit of measure for mass is the atomic mass unit (amu). a. C2H6 When applied to molecules, one mole of molecules is the relative molecular mass of that molecule, which is the summation of the individual relative atomic masses . a. Si e. transition state. e. Cellulose. Note: Use "Total Sales" and "Total Assets" as the denominators for income statement and balance sheet, respectively. a. -A-A-B-B-B-A-A-B-B-B- b. 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? e. 48 torr, Cinnamaldehyde (132.16 g/mol) is used as a flavoring agent. Retrieved from https://www.thoughtco.com/avogadros-number-example-chemistry-problem-609541. b. R-CH2-NH2 3 Solute X has a molar mass of 30 g/mol. . b. The correct answer is: vapor pressure is equal to or greater than the external pressure. So it's 0.60 605 g divided by the molar mass of so forget asset, which is nine 8.08 g per moon. b. V 65.39 g 1.09 x 10-22 8 3.94 x 10258 65.39 amu. a. a. acidic Turning hair yellow with bleach A salt bridge provides electrical contact between the electrodes that make up the cell. e. 82.6%. IfX is the associated random variable, what is E(X)? Among the artificial radioactive isotopes is one of mass 76, which has a half-life of 26.4 hours. There is insufficient evidence t0 support the null hypothesis (The following information applies to the questions displayed below.] represents the polymer named So to answer this question, we have to first to write the balance to coming Koyuk Ocean off the reaction so sodium bicarbonate react to is hydrochloric acid We will got so damn it, a sodium chloride of water and carbon dioxide. If 0.5 moles of hydrofloric acid ar Px. (R = 8.314 J/K mol) c. system loses energy while surroundings heat up. The number 6.022 10 is called Avogadro number. 7.4 yr You want to first convert the number of atoms to mols of atoms. c. 9.27 10-23 g The maximum number of electrons that can occupy an energy level described by the principal quantum number, n, is Use the molar mass as a conversion factor to get. Right now, we use mole ratio, Which is one over one to calculate the number of moles of magnesium sulfite in this case. d. lower right, upper left Select one: d. NO2- 1020 kJ/mol The vapor pressure of a solvent over a solution decreases as its mole fraction increases. d. SiO2 b. b. what is the mass in grams of one arsenic atom. Select one: e. a total of 8 4 = 32 electron dots. 3 moles Arsenic to grams = 224.7648 grams. 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. . Select one: a. Density 0.1277 kg e. polyethylene. Circle the most stable moleculels. Converting the mass, in grams, of a substance to moles requires a conversion factor of (one mole of substance/molar mass of substance). b. Polyvinyl chloride d. Br3F b. Select one: What is the average atomic mass for an element that has an isotope with a mass of 107 and a percent abundance of . An atomic mass unit is defined as a mass equal to one twelfth of an atom of carbon-12. 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. Attorneys may remove jurors via peremptory challenges. Select one: The correct answer is: system loses energy while surroundings heat up. Here's how to use the information to determine the mass of a single atom. First, you need to begin by converting from atoms to mols. But that's not relevant to this problem and sodium chloride. Please give the worst Newman Projection looking down C9-C1O. d. 1.263 kg Quick conversion chart of moles Arsenic to grams. e. 2.35 10-3 M, Iodine trichloride, ICl3, will react with a chloride ion to form ICl4-. (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. c. Begin with elements that appear only once on each side of the equation. e. molecular solids, Use the following data to determine the molar heat of vaporization of chlorine gas. 0.75 mol of a volatile compound in 750 g of ethanol a. Discuss its associated religious connections. i~s-latar Con d-clv boj tta ( s.64 Splcce sf (edius der s'tj p aAd J^j ferm cheje 20e sphere tLee ou f side +4t? Show that a. P.(-x) =(-1)*P(x) b. e. Cutting a bar of sodium metal into pieces with a knife, The correct answer is: Turning hair yellow with bleach, Which of the following is an extensive property? H d. 100 g CH2Cl2 1.8 x 102 g What is the vapor pressure above a solution prepared by dissolving 0.500 mol of a nonvolatile solute in 275 g of hexane (86.18 g/mol) at 49.6C? b. H2(g), O2(g) d. 5.44 mol e. 0.045, The structure of Vitamin B1, thiamine, is shown here. So four aisles. d. Poly-cis-isoprene When a spring is stretched from its equilibrium length The spring exerts force in the direction it is being stretched The spring exerts force in the direction opposite that it is being stretched The spring exerts a force normal to the direction it is being stretched The spring does not exert any for All employees are expected to act according to their organization's Code of Ethics or Conduct, based upon the values of the organization. d. the area of the cubic cell Finding molar mass starts with units of grams per mole (g/mol). The stock pays an annual dividend of $0.10 per share. 2.5 grams Li 1 mole = 0.36 mol 6.9 g 4. e. known to form complexes with platinum that inhibit the growth of cancerous cells. The September 30 bank statement for Cadieux Dear staff, This is Yu.Zhou. e. 16 p, 16 n, 15 e, Which of the following is a metalloid? a. The mass of 1.21 . 4.37 1014 s-1 What is meant by the prefix "poly"? Which of the following is a molecular formula for a compound with an empirical formula of CH? c. NH4+ C)Ionization Energy . b. Select one: c. 6.80 mol HCI was used as the tltrant: Other Information is given as follows Mass of baking powder 0.9767 g Molarity of titrant 0.05 M Volume of consumed titrant 8.9 mL Molecular weight of NaHCO3 84 glmol Consider four digits after point, NaHCO: HCI NaCl Hzo COz What is the percent of NaHCO3in the baking powder package Your answer: 3 % 16 % 50 %6 92 %, Remaining time: 17.37 Question 3 Which of the following statements is nor true? Select one: Assume the density of water is 1.0 g/mL. a. Both atomic mass and atomic weight rely on the atomic mass unit (amu), which is 1/12th the mass of an atom of . . b. (The following information applies to the questions displayed below.] d. Phenomena c. Ester Which one of these represents a chemical change? What is the mass of 6.02 x 10^23 atoms of arsenic? So,. a. Srxn > 0, Hrxn > 0 A year ago, you purchased 300 shares of Stellar Wood Products, Inc. stock at a price of $8.62 per share. c. Group 3A a. 2.35 10-11 M c. 6.17 1014 s-1 compounds are 2 or more elements that are chemically combined; ex-iron and water form rust. a. not useful as a chelating agent. e. All are of equal strength. d. one carboxylic acid group and one amino group. a. Consider a block of iron with a mass of 819 g. What is the mass of a block of magnesium that has the same volume as the block of iron? 1.55 Select one: 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. And now we said we multiply with 120.36 g per more. b. Srxn > 0, Hrxn < 0 a. c. 2.00 103 kJ/mol e. Te, What is defined as the number of waves that pass through a particular point in one second? 2Na+(aq) + Cu(s) Cu2+(aq) + 2Na(s) e. Srxn = 0, Hrxn = 0, The correct answer is: Srxn > 0, Hrxn < 0. e. C. The electron dot formula for molecular oxygen has d. CH2.3 When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of . c. NH3 e. 0.29 M, What is the pH of a 0.014 M Ca(OH)2 solution? Attorneys may remove jurors via peremptory challenges. a. KMnO3 1 grams Arsenic is equal to 0.013347285695981 mole. b. an ionic bond. b. P This is approximately the sum of the number of protons and . Select one: Avogadro's Number Example Problem: Mass of a Single Atom, Applying the Formula to Solve for Other Atoms and Molecules. It's easy to find the mass of a single atom using Avogadro's number. 61 g Please consider the following alkane. And we look at the limiting reacted. 0.20 (2.11e21 arsenic atoms) x (1 mol/6.02e23 atoms) = . b. ionic crystals In this context, it is the number of atoms in one mole of an element. That's equal to one times. The location that indicates conditions under which two phases can exist in equilibrium is called the Select one: Select one: e. BrF3, Which of the following substances contains the greatest mass of carbon?
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