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10) 16) Cis-platin is a chlorine-containing chemotherapy agent with the formula Pt(NH3)2Cl2. What is the mass...
10) Cis-platin is a chlorine-containing chemotherapy agent with the formula Pt(NH3)2Cl. What is the mass of...
10) Cis-platin is a chlorine-containing chemotherapy agent with the formula Pt(NH3)2Cl. What is the mass of one mole of cis-platin? A) 488.91 g/mol B) 300.06 g/mol C) 492.37 g/mol D) 283.02 g/mol E) 286.05 g/mol 17) The chemical equation below is not balanced. What is the coefficient of iron when the equation is balanced with smallest whole number coefficients? E) 4 D) 1 Fe(s) + O2(8) - Fe2O3(3) A) 8 B) 2 C) 3 18) When solutions of sodium sulfide...
16) 16) Cis-platin is a chlorine-containing chemotherapy agent with the formula P(NH3)2Cl2. What is the mass...
16) 16) Cis-platin is a chlorine-containing chemotherapy agent with the formula P(NH3)2Cl2. What is the mass of one mole of cis-platin? A) 488.91 g/mol B) 300.06 g/mol C) 492.37 g/mol D) 283.02 g/mol E) 286.05 g/mol 17) 17) The chemical equation below is not balanced. What is the coefficient of iron when the equation is balanced with smallest whole number coefficients? Fe(s) + O2(8- Fe2O3(3) A) 8 B) 2 D) 1 E) 4 18) 18) When solutions of sodium sulfide...
31). 31) To convert a given number of moles into the number of atoms, one would...
31). 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 32) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S, 32.06 g/mol] A) 6.02 x 1023 atoms B) 2.91 x 1023...
20) When solutions copper(II) sulti AC utions of sodium sulfide and copper(II) sulfate are mixed, a...
20) When solutions copper(II) sulti AC utions of sodium sulfide and copper(II) sulfate are mixed, a precipitate of of (11) sulfide is formed. What is the net ionic equation for this reaction? i Cu²+ (aq) + S2-(ag) Curs) + S B) Na2S(aq) + CuSO4(aq) + CuS(s) C) 2Na+ (aq) + (aq) + Cu2+ (aq) + SO42-ag) 2Nat(ag) + SO42-lag) D) Na2S(aq) + CuSO4(aq) - Na2SO4(aq) + Cu(s) E) Cu2+ (aq) + 52-ag) - CuS(s) 40) 41 Choose the best classification...
39) What property of liquids explains the formation of leaves? A) surface tension B) adhesion C)...
39) What property of liquids explains the formation of leaves? A) surface tension B) adhesion C) viscosity D) vapor pressure E) None of the choices are correct. mation of spherical water droplets on green 3 9) - um at constant pressure and temperature has the volume 40) 40) A balloon containing helium at constant pres doubled by adding a more helium. Which ' adding a more helium. Which statement(s) isare) TRUE? A) The number of moles of helium doubled. B)...
Give the net ionie eauation for the reaction (if any) that occurs when aqueom ACato ad...
Give the net ionie eauation for the reaction (if any) that occurs when aqueom ACato ad LINOS e ed (w).toN e)cv C) A(aq)+ 3NO ()Li)+ Cgtt02 (a) B) Li(aq)+ Cy0, (aq)--14C)lHi0 AlNO30 D) No reaction occurs AI(NO3)3(aq)+ LIC 7. Give the somplete ionic eauation for the reaction (if any) that occurs when lithium sulfide and copper () nitrate are mixed A) Lit (aq)+ SO42-(a)+ Cu(aq)+ NOy() B) Lit (aq)+ S(aq) + Cut(aq)+ NOy () C)2 Li (aq)+S2-(aq)+ Cu(a)+ 2 NO3...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag)...
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag) + SO42-(a)- BaSO4) B) 2 H+(aq) SO42-(a) Ba2 (ag) +2 OH-(a)-BaSO4(0 2 H20) C) H2SO4(a) + Ba(OH)2(e) - BaSO40) 2 H20() D) H (ag) OH(ag)--H2O) 16) 17) Write a balanced net ionic equation for the reaction of Pb(NO3)2(ag) with Nal(ag). A) Pb2 (ag)+2 NO3-(4g) +2 Na+ (ag) +2 1-(a4)-- Pb2+(ag)+ 2 1-(a4)+ 2 Na (a) +2 NO3-(a) B) Pb2+(ag) 2 NO3-(a) + 2 Na...
10. (a) Determine the mass of calcium oxide (CaO, lime) that can possibly be produced by...
10. (a) Determine the mass of calcium oxide (CaO, lime) that can possibly be produced by heating 44.6 g of calcium carbonate (CaCO). The balanced equation for this reaction is shown in Equation 8 heat CaO(s) +CO2 (g) CaCOs(s) (Eq. 8) (b) Determine the mass of CO2 that would be produced by the reaction described in (a). 11. Joseph Priestley's study of the decomposition of mercury(ID oxide (HgO) with heat led to the discovery of O2. The balanced equation for...
18. When the following equation is balanced using whole numbers, what is the stoc of O2?...
18. When the following equation is balanced using whole numbers, what is the stoc of O2? umbers, what is the stoichiometric coefficient - CsH10(e)+ - O2(g) → CO2(g) + _H2O() A. 10 B. 12 C. 11 D. 13 E. 15 19. When the solutions below are mixed, what happens? Ba(OH)2 (aq) + MgSO. (aq) → A. MgBa precipitate forms B. Mg(OH)2 precipitate forms C. BaSO4 precipitate forms D. No precipitate is formed E. Precipitates of both BaSO4 and Mg(OH)2 forms...
10) Cis-platin is a chlorine-containing chemotherapy agent with the formula Pt(NH3)2Cl. What is the mass of one mole of cis-platin? A) 488.91 g/mol B) 300.06 g/mol C) 492.37 g/mol D) 283.02 g/mol E) 286.05 g/mol 17) The chemical equation below is not balanced. What is the coefficient of iron when the equation is balanced with smallest whole number coefficients? E) 4 D) 1 Fe(s) + O2(8) - Fe2O3(3) A) 8 B) 2 C) 3 18) When solutions of sodium sulfide...
16) 16) Cis-platin is a chlorine-containing chemotherapy agent with the formula P(NH3)2Cl2. What is the mass of one mole of cis-platin? A) 488.91 g/mol B) 300.06 g/mol C) 492.37 g/mol D) 283.02 g/mol E) 286.05 g/mol 17) 17) The chemical equation below is not balanced. What is the coefficient of iron when the equation is balanced with smallest whole number coefficients? Fe(s) + O2(8- Fe2O3(3) A) 8 B) 2 D) 1 E) 4 18) 18) When solutions of sodium sulfide...
31). 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 32) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S, 32.06 g/mol] A) 6.02 x 1023 atoms B) 2.91 x 1023...
20) When solutions copper(II) sulti AC utions of sodium sulfide and copper(II) sulfate are mixed, a precipitate of of (11) sulfide is formed. What is the net ionic equation for this reaction? i Cu²+ (aq) + S2-(ag) Curs) + S B) Na2S(aq) + CuSO4(aq) + CuS(s) C) 2Na+ (aq) + (aq) + Cu2+ (aq) + SO42-ag) 2Nat(ag) + SO42-lag) D) Na2S(aq) + CuSO4(aq) - Na2SO4(aq) + Cu(s) E) Cu2+ (aq) + 52-ag) - CuS(s) 40) 41 Choose the best classification...
39) What property of liquids explains the formation of leaves? A) surface tension B) adhesion C) viscosity D) vapor pressure E) None of the choices are correct. mation of spherical water droplets on green 3 9) - um at constant pressure and temperature has the volume 40) 40) A balloon containing helium at constant pres doubled by adding a more helium. Which ' adding a more helium. Which statement(s) isare) TRUE? A) The number of moles of helium doubled. B)...
Give the net ionie eauation for the reaction (if any) that occurs when aqueom ACato ad LINOS e ed (w).toN e)cv C) A(aq)+ 3NO ()Li)+ Cgtt02 (a) B) Li(aq)+ Cy0, (aq)--14C)lHi0 AlNO30 D) No reaction occurs AI(NO3)3(aq)+ LIC 7. Give the somplete ionic eauation for the reaction (if any) that occurs when lithium sulfide and copper () nitrate are mixed A) Lit (aq)+ SO42-(a)+ Cu(aq)+ NOy() B) Lit (aq)+ S(aq) + Cut(aq)+ NOy () C)2 Li (aq)+S2-(aq)+ Cu(a)+ 2 NO3...
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) 1) One mole of any substance contains Avogadro's number of particles of that substance. What is the numerical value of Avogadro's number? A) 12.01 23 Avagrans t Male aton 6022 x1o atums B) 6.022 x 1023 C) 6.022 x 10-23 D) 1.661 x10-24 E) 1.00 x10-14 2) What is the mass of 4.00 moles of helium, the gas commonly used to fill...
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag) + SO42-(a)- BaSO4) B) 2 H+(aq) SO42-(a) Ba2 (ag) +2 OH-(a)-BaSO4(0 2 H20) C) H2SO4(a) + Ba(OH)2(e) - BaSO40) 2 H20() D) H (ag) OH(ag)--H2O) 16) 17) Write a balanced net ionic equation for the reaction of Pb(NO3)2(ag) with Nal(ag). A) Pb2 (ag)+2 NO3-(4g) +2 Na+ (ag) +2 1-(a4)-- Pb2+(ag)+ 2 1-(a4)+ 2 Na (a) +2 NO3-(a) B) Pb2+(ag) 2 NO3-(a) + 2 Na...
10. (a) Determine the mass of calcium oxide (CaO, lime) that can possibly be produced by heating 44.6 g of calcium carbonate (CaCO). The balanced equation for this reaction is shown in Equation 8 heat CaO(s) +CO2 (g) CaCOs(s) (Eq. 8) (b) Determine the mass of CO2 that would be produced by the reaction described in (a). 11. Joseph Priestley's study of the decomposition of mercury(ID oxide (HgO) with heat led to the discovery of O2. The balanced equation for...
18. When the following equation is balanced using whole numbers, what is the stoc of O2? umbers, what is the stoichiometric coefficient - CsH10(e)+ - O2(g) → CO2(g) + _H2O() A. 10 B. 12 C. 11 D. 13 E. 15 19. When the solutions below are mixed, what happens? Ba(OH)2 (aq) + MgSO. (aq) → A. MgBa precipitate forms B. Mg(OH)2 precipitate forms C. BaSO4 precipitate forms D. No precipitate is formed E. Precipitates of both BaSO4 and Mg(OH)2 forms...
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