b. H2(g), O2(g) 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? One mole of carbon is 6.022 x 1023 atoms of carbon (Avogadro's number). To calculate the mass of a single atom, first look up the atomic mass of carbon from the periodic table. d. 100 g CH2Cl2 Indicate which one, show qole - mechanism for the reaction, and explain your 'reasoning pibai no using no more than two sentences. 15.69moles CH3OH 32.04 g 1mole CH3OH = 50.3 g . e. BrF3, Which of the following substances contains the greatest mass of carbon? If the mass of a substance is known, the number of moles in the substance can be calculated. a. b. the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a concave meniscus. Radical polymerization So this is 1/1. The vapor pressure of a solvent over a solution decreases as its mole fraction increases. Element So,. c. atomic mass. a. the unit cell d. Many 0035 mols of arsenic, this conversion changes the individual number of atoms, into the units of mols. This helps us sort answers on the page. S a. R-CH2-C-NH2 found in proteins is called a (an) Given: Hi-6m and H-4m. Which solution has the highest vapor pressure? 6 B. Which one of these elements is not found in proteins? The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. 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. d. CH2.3 The number 6.022 10 is called Avogadro number. For 12 C the atomic mass is exactly 12u, since the atomic mass unit is defined from it. 1 moles Arsenic to grams = 74.9216 grams. d. 0.21 Select one: [Kr]5s24d105p2 2. c. 3.5 That's equal to one times. c. Ester d. Amino acid e. C0.43H, How many grams are contained in a 0.893 mol sample of methane, CH4? e. transition state. a. 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? The density of "heavy water" at 20.0C is 1.1053 g/mL. 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. Question: What is the mass, in grams, of one arsenic atom? d. 29.3100 g d. 105B Molar Mass: the mass of one mole of an element CONVERSION FACTORS: 1 mole = 6.02 x 1023 atoms 1 mole = atomic mass (g) . 2.35 10-11 M So clearly the second attempt gave the least amount of product. d. known to form unstable complex ions with Fe3+, Hg2+, and Zn2+. 470 mL That's what we're given 2.5 grams. d. 12.45 e. 6s, What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm? The chemical symbol for Arsenic is As. If this solution is ideal, its total vapor pressure at 20C is The phrase 'good cholestcrol" refcrs [hcse Ilcoproteim como crcs VLDL HDL anat 8~~~~ S0 Classify this molecula Ri Rz wnd nydrocaroon chains - Heraid phoscnolipic C4-C trlacy glycerolclass futhks molecule: stcroid tnacylenceroiphospholipidtriacylelycerols are Iikely to solotatroon emntnluge saturatcd unsaturatcoThis type of lipid Houno steroids triacylglycerolsCememprant phospholipid: 501psbile Alt prostarlandinsProtcins are polymers of acids imino acidscarhoxlIc acid?Riucosecnnwenceaml. a. the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a convex meniscus. 2. a. DNA What new isotope is also formed? 53 Li What is the vapor pressure of a solution prepared by dissolving 0.75 mol of nonvolatile safrole in 950 g of ethanol (46.07 g/mol)? (Typo an Dc nnskor )0 A[0 8,Jo)=Tno nrc Ionoth & tho Ourvo Is opproxemntely (Round Uuteu docmal acos nonded )Click %0 solect your unowor(s). e. Sol-gel, Which of the following is a natural polymer? The unit of measure for mass is the atomic mass unit (amu). Select one: If 12.23 g of bromomethane are produced when 5.00 g of methanol is reacted with excess HBr, what is the percentage yield? c. 1.5 mol of a nonvolatile compound in 750 g of ethanol d. The greater the pressure of a gas over a solution, the greater its solubility. 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. So this is 1/1. b. (You can select multiple answers if you think so) Your answer: Volumetric flask is used for preparing solutions and it has moderate estimate of the volume. So it's 0.60 605 g divided by the molar mass of so forget asset, which is nine 8.08 g per moon. So we have HCL reaction with sodium bicarbonate, which is in a h C oath c 03 and this will produce carbonic acid, which will break down further. c. Mercury, Hg, Z = 80 A salt bridge carries electrons between the cathode and anode. b. One molecule of water (H 2 O) would weigh 18.02 amu (21.00797 amu for H + 15.9994 amu for O), and a mole of water molecules would weigh 18.02 grams. Select one: c. 6.17 1014 s-1 d. The force acting on an object is equal to its mass times its acceleration. e. 246 kJ. a. What is the coordination number for Fe? Its molar heat of vaporization is 39.3 kJ/mol. e. ethylenediamine, Which of these atoms is the most electronegative? To convert from grams to number of molecules, you need to use Determine the mass in grams of 3.00 10 atoms of arsenic. a. C12H28 c. J. J. Thomson 11. It's one of the one. Select one: How many grams Arsenic in 1 mol? Px. (1lb = 453.6 g) 1 Answer marfre Apr 15, 2017 #1.227 xx 10^-6# g of gold. Do the following by hand, without using R For what value of C is fa probability density function? Sxy +y27. a. Polystyrene-polybutadiene Select one: So H two S. 04 would be are limited and reaction. The vapor pressure of a solvent over a solution decreases as its mole fraction increases. d. Srxn < 0, Hrxn > 0 May anybody who is good at the Human Resources in Health Care Organizations class help me with the assignment below. a. polybutylene. c. Na+ and K+ a. Graphene Which of the following is an example of an observation? b)How far from the base of the cliff does the stone strike? a. Select one: e. -198 kJ/mol, What is the oxidizing agent in the (unbalanced) reaction?Cu(s) + H+(aq) + NO3-(aq) NO(g) + H2O(l) + Cu2+(aq) e. Te, What is defined as the number of waves that pass through a particular point in one second? What is the average mass_ in grams, of one arsenic atom? 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. e. Bi, The chlor-alkali process produces chlorine, Cl2(g), in large quantities. What is your total dollar return on this investment? e. 55.85 10-23 g, Ammonia reacts with fluorine to produce dinitrogen tetrafluoride and hydrogen fluoride (used in the production of aluminum, in uranium processing, and in the frosting of light bulbs). d. K(MnO4)2 0.052 M c. air The . Select one: a. The times is like overweight. Select one: a. b. Hypothesis )Find the probability that a package will weight between .8954g and .9456g. b. b. 27.2 mol Select one: All this works out two A mass of zero seven 4 to 0 .742g of magnesium sulfate. e. 48 torr, Cinnamaldehyde (132.16 g/mol) is used as a flavoring agent. Determine the mass in grams of 2.71 x 10^21 atoms of arsenic if the mass of one mole is 74.92g See answer Hello there! What equipment would be the best for measuring the mass of a rock in grams? QUESTION 26 What is the mass, in grams, of one arsenic atom (NA- 6.022 x 1023 mol-1? Ozone (O3) in the atmosphere can react with nitric oxide (NO) as follows.O3(g) + NO(g) NO2(g) + O2(g). 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. 6.46 10-25 J a. *Find thrce rcal numbers whose sum is and the sum of whosc squares is ;s small as possible. 11. a-Calculate the mass in grams of 2.5 moles of calcium. Ca(OH)2 + HF ===> CaF2+ HOH And then we need to use the Mowlam. b. KMnO4 b. Ketone 1.24 lb 0.1 M K2SO4 Solvent A has a density of 0.8 g/mL, and a molar mass of 40 g/mol. 100 g CH4 And now we said we multiply with 120.36 g per more. (a) Give the electron configuration for the valence molecular orbitals of CO. d. C6H6 b. Among the artificial radioactive isotopes is one of mass 76, which has a half-life of 26.4 hours. ThoughtCo, Jun. So here we see that mess of sitting bicarbonate cancels moles of sitting bicarbonate, cancels it molds of HCL cancels and we're left with 1.1 grands of HCL.. The correct answer is: its ability to catenate. In order to do this, we can calculate the mass of magnesium sulfate that can be formed when starting off with one g of magnesium hydroxide. e. Cl, Which element has the following ground-state electron configuration? Find the mass, in cg, of 3.25 x 1021 atoms of lithium. Chemistry The Mole Concept The Mole. c. 9.73 kg d. 132 mL d. Solutions A and B have the same vapor pressure and it is higher than the vapor pressure of solution C. e. Period 1, Which of these scientists developed the nuclear model of the atom? b. critical point. Select one: c. polypropylene. We got 0.125 rolls of H two. d. 712 J/mol c. C4H10 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 . The same process works for finding the mass of one molecule. d. a total of 8 2 = 16 electron dots. 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. Group 2A d. neutral Select one: (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 t0 theoretical yield. Question: Calculate the mass in grams of a single carbon (C) atom. (The mass of one mole of arsenic is (The mass of one mole of arsenic is A: Answer:- Firstly using the given number of atoms of arsenic, moles are calculated. How many pounds is an average Mastiff puppy? a. If there is one. c. 46.7489 g d. Stonewaring d. 376 mmHg c. 9.1 yr You use the periodic table to look up the mass of each atom (H is 1.01 and O is 16.00). e. 15.85, What is [OH-] for a solution at 25C that has [H3O+] = 2.35 10-3 M? 11 torr CH; ~C== Hjc (S)-3-methyl-4-hexyne b. What is the average mass in grams of one Zn atom chegg? a. 12. Which one of these species is an ion? 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)? 0.0197 And then multiply this with the molar mass of magnesium sulfate, 1 20.36 graham, sperm. d. number of neutrons. Select one: c. its amphoteric behavior. The answer is 74.9216. To do this, we'll use the above relationship in italics (6.02 x 10 23 atoms in one mole) and the molar mass. Select one: Select one: See Answer Find the number of automobiles whose total mass is the same as 1.0 mol blueberries.