Sig Fig and Conversions
The correct significant figures for 1.5 + 3.45.
What is 5.0?
The name for Hg2(NO3)2.
What is mercury (I) nitrate?
Balance:
_ Fe2O3 + _ C --> _ Fe + _ CO2
What is 2 Fe2O3 + C --> Fe + 3 CO2?
What is occupies no space, has no interactions, moves randomly, etc.?
The correct significant figures for 20.34/5.55.
What is 3.66?
True or False: All molecules are molecular compounds.
What is False?
Balance:
_ C7H16 + _ O2 --> _ CO2 + _ H2O.
What is C7H16 + 11 O2 --> 7 CO2 + 8 H2O?
The ideal gas law equation.
What is PV=nRT?
The conversion from centimeters to meters.
What is 102?
The name of the formula CaH2.
What is calcium hydride?
PCl5(s) + H2O(l) → H3PO4(l) + HCl(g)
When 2 mol each of PCl5 and H2O are reacted, this many moles of phosphoric acid are produced.
What is 0.5 moles?
What is 11.2 L?
The conversion from meters to nanometers.
What is 10-9?
The percent composition by mass of each element in MgCO3.
What is Mg is 28.83%, C is 14.25%, and O is 56.93%?
Free Question
Everyone get 400 pts.
The RMS speed of ammonia at 400oC and 2 atm? (Workshop problem #6)
What is 99.3 m/sec?
The conversion of 2.35 x 106 meters/second to millimeters/hour.
What is 8.46 x 1012 millimeters/hour?
The formula of iron (II) chromate.
What is FeCrO4?
When 22.34 g iron is consumed in the following reaction, this many grams of hydrogen gas will be produced.
HNO3(aq) + Fe(s) → H2(g) + Fe(NO3)3(aq)
What is 1.210 g?
The answer to part a of number 9 in the workbook.
What is 3073?