a) 6.02 * 1023 sodium atons, Na b) 6.02 * 1023 chlorine molecules, Cl2 c) 6.02 * 1023 sodium chloride formula units, NaCl d) 6.02 * 1023 chloride ions, Cl e) all of the above
a) 6.02 * 1023 magnesium atoms, Mg b) 6.02 * 1023 oxygen molecules, O2 c) 6.02 * 1023 magnesium oxide formula units, MgO d) 6.02 * 1023 oxide ions, O2 e) all of the above
a) 0.0125 mol b) 0.0801 mol c) 0.125 mol d)0.801 mol e) 1.25 mol
a)116.0 g/mol b) 180.0 g/mol c) 188.0 g/mol d) 244.0 g/mol e) 252.0 g/mol
a) 4.91% b) 8.42% c) 11.2% d) 24.9% e) 58.9%
a) 4.31% b) 6.34% c) 25.9% d) 29.8% e) 44.4%
a) SO b) SO2 c) SO4 d) S2O e) S4O
a) C1H1 b) C1H2 c) C1H8 d) C8H8 e) C12H1
a) C1H1NO b) C3H7NO c) C3H7NO2 d) C6H14NO2 e) C6H14N2O2
a) ammonia, NH3 b) helium, He c) hydrogen, H2 d) oxygen, O2 e) all of the above
a) 0oC and 0 atmosphere b) 0oC and 1 atmosphere c) 0 K and 1 atmosphere d) 273oC and 1 atmosphere e) 273 K and 0 atmosphere
a) 6.02 * 1023diborane molecules b) 27.6 g diborane c) 22.4 L diborane gas at STP d)all of the above e) none of the above
a) a gas is detected b) a precipitate is formed c) a color change is observed d) an energy change is noted e) all of the above
a) a liquid solidifies b) a liquid evaporates c) a solid sublimes d) a solid melts e) none of the above
a) 1 b)2 c) 3 d) 4 e) none of the above
a) 1 b) 2 c) 3 d) 4 e) none of the above
a) combination b) decomposition c) single replacement d) double replacement e) neutralization
a) combination b) decomposition c) single replacement d)double replacement e) neutralization
a) Fe b) Co c) Cu d) all of the above e) none of the above
a) Co b) Cu c) Ag d) all of the above e) none of the above
a) Ag3N and NaClO2 b) AgCl and NaNO2 c) AgCl and NaNO3 d) AgClO3 and NaNO2 e) AgClO3 and NaNO3
a) NH3CL and H2O b) NH3CL and O2 c) NH4Cl and H2O d) NH4Cl and O2 e) no reaction
a) H+(aq) + OH-(aq) --> H2O(1) b) NO3(aq) + NH4+(aq) --> NH4NO3(aq) c) H+(aq) + NH4OH(aq) --> NH4+(aq) + H2O(1) d) HNO3(aq) + OH-(aq) --> NO3-(aq) + H2O(1) e) H+(aq) + NO3-(aq) + NH4OH(aq) --> NH4+(aq) + NO3-(aq) + H2O(1)
a) H+(aq) + OH-(aq) --> H2O(1) b) C2H3O2-(aq) + K+(aq) --> KC2H3O2(aq) c) H+(aq) + KOH (aq) -->K+(aq) + H2O(1) d) HC2H3O2(aq) + OH-(aq) --> C2H3O2-(aq) + H2O(1) e) HC2H3O2(aq) + K+(aq) + OH-(aq) --> K+(aq) + C2H3O2(aq) + H2)O(1)
a) H+(aq) + OH-(aq) --> H2O(1) b) SO42(aq) + Ba2+(aq) --> BaSO4(s) c) 2 H+(aq) + Ba(OH)2(aq) --> Ba2+(aq) + 2 H2O(1) d) H2SO4(aq) + 2 OH-(aq) -->SO42(aq) + 2 H2O(1) e) 2 H+(aq) + SO42-(aq) --> Ba2+(aq) + 2 OH-(aq) --> Ba4SO4(s) + 2 H2O(1) Question 31 How many moles of hydrogen iodide gas are produced from the reaction of 0.500 ml of hydrogen gas according to the following reaction? 425oC ___H2(g) + ___I2(g) -----> ___HI(g) a) 0.250 mol b) 0.500 mol c) 1.00 mol d) 2.00 mol e) none of the above Question 32How many moles of water react with 0.426 mol of calcium metal according to the following reaction? ___Ca(s) + ___H2O(1) -----> ___Ca(OH)2(aq) + ___H2(g) a) 0.107 mol b) 0.213 mol c) 0.426 mol d) 0.852 mol e) 1.704 mol Question 33what mass of potassium iodid (1.66.0 g/mol) must ract in order to give 0.500g of lead (II) iodide (461.0 g/mol) precipitate? ___Pb(NO3)2(aq) + ___KI(s) -----> ___PbI2(s) + ___KNO3(aq) a) 0.900g b) 0.180g c) 0.360g d) 0.694g e) 2.78g Question 34 What mass of sodium phosphate (164.0g/mol) must react to give 1.00g of calcium phosphate (310.3g/mol) precipitate? ___CaCl2(s) + ___Na3PO4(aq) -----> ___Ca3(PO4)2(s) + ___NaCl(aq) a) b) c) d) e) Question 35What term refers to a gas at 0oC and 1.00 atmosphere pressure? a) atmospheric conditions b) experimental conditions c) molar conditions d) standard conditions e) none of the above Please add a comment below I have discovered that... When you have completed this quiz, press the ALL DONE-CHECK TEST button below to check the test! Then you may go back and change the incorrect answers before you submit the test. You may check the answers as many times as you need until you achieve a perfect grade. Sometimes the pop-up box does not appear when you click on the button after checking the test the first time. If this happens, minimize the test and the answer box will be behind the browser. close the box and maximize the test to continue checking the test and finally submitting it. When you have finished checking the test, press the SUBMIT button to send answers to your instructor
a) 0.250 mol b) 0.500 mol c) 1.00 mol d) 2.00 mol e) none of the above
a) 0.107 mol b) 0.213 mol c) 0.426 mol d) 0.852 mol e) 1.704 mol
a) 0.900g b) 0.180g c) 0.360g d) 0.694g e) 2.78g
a) b) c) d) e)
a) atmospheric conditions b) experimental conditions c) molar conditions d) standard conditions e) none of the above
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