The correct answer is: 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. Identify the functional group circled. This is why chemists use Avogadro's number. Mass of arsenic: Mass = number of moles molar mass Mass = 1 mol 74.9 g/mol In different types of solutions, solvents must be liquids. The unit of measure for mass is the atomic mass unit (amu). a. a. its large radius that allows other atoms to fit easily around it. 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? What is the average atomic mass for an element that has an isotope with a mass of 107 and a percent abundance of . c. a monodentate ligand. Select one: compounds are 2 or more elements that are chemically combined; ex-iron and water form rust. Molar Mass: the mass of one mole of an element CONVERSION FACTORS: 1 mole = 6.02 x 1023 atoms 1 mole = atomic mass (g) . What is your total dollar return on this investment? 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. d. 12 Q: Determine the mass in grams of 3.00 x 1021 atoms of arsenic. Silicon is a nonmetal. b. Bromine, Br, Z = 35 a. The correct answer is: its ability to catenate. How many pounds is an average Mastiff puppy? 2 Knowing that 57 g are made by fluorine, the unknown atom will count for 58.85 g in each mole. Select one: In Figure $16-22,$ point out the mutant protein $(\mathrm{s})$ in patients with Cockayne syndrome. I will list five. 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. Which one of the following is a strong acid? Top Answer. b. c. 76.2 g a. what is the mass in grams of one arsenic atom. d. 6.00 lb Each circle of X represents 1 mol of X. d. 14.3 g d. 78.5 g Which of these describes the amount of energy required to remove an electron from an atom? The SI base unit for amount of substance is the mole. . c. P(0) - 0 3. 100 g C2H4 Select one: Capillary tube is used in "coffee cUp calorimeter" experiment Indicator is used in "stoichiometry" experiment Mass balance is used in all CHEICOI laboratory experiments. c. lower left, upper right d. 2Al3+(aq) + 3Cu(s) 3Cu2+(aq) + 2Al(s) e. None of the answers is correct. 6.02 1023 g d. neutral e. 79.6 g, What volume of ethanol (density = 0.7893 g/cm3) should be added to 450. mL of water in order to have a solution that freezes at -15.0C? Use the molar mass as a conversion factor to get. d. -1.42 103 kJ/mol Question: What is the mass, in grams, of one arsenic atom? Cookies collect information about your preferences and your devices and are used to make the site work as you expect it to, to understand how you interact with the site, and to show advertisements that are targeted to your interests. (b) Do you expect $\mathrm{CO}$ to be paramagnetic or diamagnetic? a. Select one: 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. 7 moles Arsenic to grams = 524.4512 grams a. a single covalent bond. 119.00amu 39.10amu+79.90amu= 118.95 => 119.00amu e. Rubber & silk, Which is NOT an example of a block copolymer formed between monomers A and B? 2Na+(aq) + Cu(s) Cu2+(aq) + 2Na(s) e. Pressure, An average Mastiff puppy weighs 2.72 kilograms. 3.0 10-2 e. polyethylene. e. basic, Picric acid has been used in the leather industry and in etching copper. b. neutron: 10n Ethylenediaminetetraacetic acid (EDTA) is d. KBr e. Srxn = 0, Hrxn = 0, The correct answer is: Srxn > 0, Hrxn < 0. c. Begin with elements that appear only once on each side of the equation. b. KMnO4 It's one of the one. 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. c. The vapor pressure of a solvent over a solution is less than that of pure solvent. c. Melting butter A. b. Roasting 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. This helps us sort answers on the page. b. C6H14 Select one: d. Specific Heat Therefore this resulting atomic mass is calculated from naturally-occurring isotopes and their abundance. The correct answer is: an effective antidote for heavy metal poisoning (e.g., Pb2+ and Hg2+). Avogadro's number is the number of particles in one mole of anything. The correct answer is: system loses energy while surroundings heat up. 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. 0.0169 e. the atoms themselves, The correct answer is: the coordination number, Iron crystallizes in the body-centered cubic lattice. The times is like overweight. 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. . c. 46.7489 g c. 59.8 lb d. Homogeneous mixture 1) An atom of arsenic has a mass of 74.92 grams. So four. 4 When you visit the site, Dotdash Meredith and its partners may store or retrieve information on your browser, mostly in the form of cookies. e. known to form complexes with platinum that inhibit the growth of cancerous cells. d. known to form unstable complex ions with Fe3+, Hg2+, and Zn2+. a. (NA = 6.022 1023 mol-1) c. K2MnO4 A) Beaker #1 because one sulfur atom weighs less than one arsenic atom so you need more of the sulfur atoms to fill the beaker. Select one: e. ion-ion forces. e. All are of equal strength. (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 (p = proton, n = neutron, e = electron) Absolutely not Definitely yes 1 The atomic mass of arsenic is 74.92 g/mol. 15 p, 16 n, 15 e Three units of D and 2 units of F are requir 2. d. temperature is greater than room temperature. b. PVC c. Group 3A e. octane. d. 712 J/mol b. What protein(s) is/are mutant in patients with XP? 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)? a. In Figure $16-22,$ point out the mutant protein $(\mathrm{s})$ in patients with Cockayne syndrome. Select one: Which acts as a Lewis acid this reaction? Calculate the molecular or formula mass of rubidium carbonate, Rb2CO3. b. Al2O3 e. K2Mn2O7. c. 3.0 M LiF 67.8 g b. Hexane-benzene (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? Select one: The abundance of arsenic in the Earth's crust is about five grams per ton; . Select one: d. Iridium, Ir, Z = 77 Now we have two aluminum isles on the product side, but only one on a reaction size or put you here and now for a number of hydrogen is there are only two on the product side. d. Many -False. (For water, Kf = 1.86 C/m.) e. K+ and Cl-, What products are formed from the reaction of Cl2(g) with I-(aq)? c. 8 Select one: e. 2.27 mol, Methanol (CH3OH) is converted to bromomethane (CH3Br) as follows:CH3OH + HBr CH3Br + H2O The number of atoms in a body-centered cubic unit cell is a. Hydration Rubber Avogadro's number is one of the most important constants used in chemistry. Select one: It has an acid dissociation constant of 0.42. b. Polyvinyl chloride d. 32 p, 31 n, 32 e 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? My name is agenthammerx, a Master Answerer and Engagement Team Member here on Brainly. a. crystalline solids a. ICl4- I need to answer the question with a paragraph. 84.30 mmHg b. Emulsion e. 12, Which one of these choices is the general structural formula of an amino acid? c. He 74.92 grams The average mass of one atom of arsenic is 74.92 amu, and the mass of one mole of arsenic atoms is 74.92 grams. 53 Li Simply divide the relative atomic mass of the element by Avogadro's number to get the answer in grams. b. number of electrons. d. 100 g CH2Cl2 One mole of carbon is 6.022 x 1023 atoms of carbon (Avogadro's number). Select one: Select one: Find the mass of 4.8moles of iron. One unified atomic mass unit is approximately the mass of one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol. So, we need to multiply here by the molar mass of magnesium sulfite Which is 1- 0.36 g per mole. C) Beaker #2 because arsenic has a greater mass than sulfur. b. H2SO3 c. 366 mmHg 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. Chemistry The Mole Concept The Mole. Round The original measurement of atoms (4.83 10 ) has 3 significant figures, so our answer must have the same. The correct answer is: Try different coefficients and subscripts to balance the number of atoms. Select one: 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. b. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. a. e. nuclear binding energy. In this context, it is the number of atoms in one mole of an element. Circle the most stable moleculels. 27.2 mol Given: Hi-6m and H-4m. 1.55 Select one: a. Graphene e. The solvent, Since zirconium is a metal, ZrO2 is expected to be a/an _____ oxide. c. 9.1 yr Note that mole 1000 millimoles, Purine ' K comoe 6a 0 6mmtz atucta hused Sand 6tenbened ~ n nbora and pyridine aphosphate Srat and a bas6 deoxyribose and pyridine, Phosphomus 32 has hall-lite ol 14,0 duys. 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. The chemical symbol for Arsenic is As. a. It makes working with atoms easier because we work with moles rather than individual atoms. c. 2Na(s) + Cu2+(aq) Cu(s) + 2Na+(aq) In a spontaneous exothermic process, -$1,372 C. -$1,5 Cx' , 0sxs3 Let f(x) = 0, elsewhere 5. You want to first convert the number of atoms to mols of atoms. a. Cu c. Firing Phexane = 400.0 torr at 49.6C. What is the coordination number for Fe? 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? 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. Which of the following is least helpful in balancing an equation? A liquid boils when its When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of . d. Mn2+
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