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Measurement
Nomenclature
Balancing Equations
Stoichiometry
Solutions
100
Which of the following measurements is expressed to three significant figures? a.) 0.007m b.) 7077 mg c.) 7.30 x 10-7 km d.) 0.070 mm e.) 67.840 dm
7.30 x 10-7 km
100
What is the formula for beryllium iodide?
BeI2
100
What is the balanced equation for solid aluminum hydroxide reacting with sulfuric acid?
2Al(OH)3 (s) + 3 H2SO4 (aq) ------ Al2(SO4)3 (aq) + 6 H2O (l)
100
What is the mass of 0.30 moles of barium sulfate?
70. grams
100
What is the molarity of a solution containing 2.5 mol of acetic acid in 400 mL of solution?
6.3 M
200
An empty graduated cylinder weighs 55.26 g. When filled with 50.0 mL of an unknown liquid, it weighs 92.39 g. The density of the unknown liquid is:
0.743 g/mL
200
What is the name for HI?
hydroiodic acid
200
What is the balanced equation for the reaction of C6H6(l) + O2(g) ?
2 C6H6(l) + 15 O2(g) => 12 CO2(g) + 6 H2O(l)
200
How many moles of hydrogen are produced by the reaction of 0.333 mol of aluminum with excess sulfuric acid?
0.500 mol hydrogen
200
What volume of 0.300 M potassium chloride will contain 15.3 g potassium chloride?
684 mL
300
What is the measurement 1047 rounded off to two significant figures?
1.0 x 10^3 L
300
What is the formula for strontium hydroxide?
Sr(OH)2
300
What is the NIE for the reaction of BaCO3(s) + __HCl(aq)?
BaSO4(s) + 2 H+(aq) => Ba2+(aq) + H2O(l) + CO2(g)
300
What is the mass of nitrogen in a 25.0 g sample of ammonium sulfide?
10.28 g nitrogen
300
How many mL of 6.0 M sulfuric acid must you use to prepare 500 mL of 0.20 M sulfuric acid solution?
17 mL
400
What is the result of (2.08 x 105) (7.0 x 10-5) expressed in scientific notation?
1.5 x 10^1
400
What is the name for SnS2?
Tin (lV) sulfide
400
What is the NIE for the reaction of AgNO3(aq) + H2S(aq)?
2 Ag+ (aq) + H2S(aq) => Ag2S(s) + 2 H+ (aq)
400
How many grams of carbon are needed if we wish to produce 4.60 g of P4? C(s) + 6 SiO2(s) + 2 Ca3(PO4)2(s) => 10 CO(g) + 6 CaSiO3(s) + P4(s)
4.46 g C
400
DOUBLE JEOPARDY!!!!! Hydrochloric acid can be standardized by titrating it against a sample of sodium carbonate. If 0.5432 g of sodium carbonate reacts with 37.25 mL of acid, determine the concentration of the acid.
What is 0.275M
500
How many grams of 9.0% silver nitrate solution will contain 5.3 g silver nitrate?
59
500
What is the formula for plumbic oxide?
PbO2
500
What is the NIE for the reaction of NaI(aq) + Cl2(g)?
2I- (aq) + Cl2(g) => 2 Cl-(aq) + I2(s)
500
What is the percent yield of the reaction if 3.59 g of barium bromate is produced when 9.00 g of bromine reacts with 0.060 mol of barium hydroxide? 6 Br2(l) + 6 Ba(OH)2(s) => Ba(BrO3)2(s) + 5 BaBr2(aq) + 6 H2O(l)
97.3%
500
33.3 mL
Using the following equation, calculate the mL of 0.250 M Na3PO4 that will react with 50.0 mL of 0.250 M MgCl2. 3 MgCl2(aq) + 2 Na3PO4(aq)=> Mg3(PO4)2(s) + 6 NaCl2(aq)