Chemi PA Verified Multiple Choice and Conceptual
Actual Final Exam Questions With Reviewed 100%
Correct Detailed Answers
Guaranteed Pass!!Current Update
1. Which period 6 element is a nonmetal? - ANSWER Radon
2. What is the formula and type of bond for the compound phosphorus
pentachloride? - ANSWER PCl5; covalent
3. What is the correct formula for sodium carbonate? - ANSWER Na2CO3
4. Which geometry has an angle of 109.5° between electron groups? -
ANSWER Tetrahedral
5. Carbon dioxide (CO2) has a linear structure. What is the angle between C-O
bonds in CO2? - ANSWER 180°
6. Which chemical equation represents the reaction between phosphorus
pentachloride and arsenic trifluoride to produce phosphorus pentafluoride
and arsenic trichloride? - ANSWER 3PCl5+5AsF3→3PF5+5AsCl3
7. Which chemical equation correctly represents the reaction between
aqueous titanium(IV) chloride and liquid magnesium to produce solid
, titanium and aqueous magnesium chloride? - ANSWER
TiCl4(aq)+2Mg(l)→Ti(s)+2MgCl2(aq)
8. Which chemical equation correctly represents the decomposition of silver
oxide to form silver and oxygen? - ANSWER 2Ag2O→4Ag+O2
9. Which chemical equation correctly represents the reaction between
calcium chloride and sodium phosphate to form sodium chloride and
calcium phosphate? - ANSWER 3CaCl2+2Na3PO4→6NaCl+Ca3(PO4)2
10.How many moles are in 92.4 g of hydrogen chloride (HCl)? - ANSWER
2.53 mol
11.If there are 5.7 moles of hydrogen atoms in a sample of water (H2O), how
many moles of oxygen atoms are present in the same sample? - ANSWER
2.9 mol
12.How many moles are in 4.1 g of baking soda (NaHCO3)? - ANSWER
0.049 mol
13.How many moles of methane gas (CH4) are present in 892 L of gas at STP
(273 K and 1.00 atm)? - ANSWER 39.8 mol
In the following reaction, 35.2 g of bromine (Br2) is mixed with 23.1 g of
phosphorus (P) to produce phosphorus tribromide (PBr3).
3Br2+2P→2PBr33Br2+2P→2PBr3
Actual Final Exam Questions With Reviewed 100%
Correct Detailed Answers
Guaranteed Pass!!Current Update
1. Which period 6 element is a nonmetal? - ANSWER Radon
2. What is the formula and type of bond for the compound phosphorus
pentachloride? - ANSWER PCl5; covalent
3. What is the correct formula for sodium carbonate? - ANSWER Na2CO3
4. Which geometry has an angle of 109.5° between electron groups? -
ANSWER Tetrahedral
5. Carbon dioxide (CO2) has a linear structure. What is the angle between C-O
bonds in CO2? - ANSWER 180°
6. Which chemical equation represents the reaction between phosphorus
pentachloride and arsenic trifluoride to produce phosphorus pentafluoride
and arsenic trichloride? - ANSWER 3PCl5+5AsF3→3PF5+5AsCl3
7. Which chemical equation correctly represents the reaction between
aqueous titanium(IV) chloride and liquid magnesium to produce solid
, titanium and aqueous magnesium chloride? - ANSWER
TiCl4(aq)+2Mg(l)→Ti(s)+2MgCl2(aq)
8. Which chemical equation correctly represents the decomposition of silver
oxide to form silver and oxygen? - ANSWER 2Ag2O→4Ag+O2
9. Which chemical equation correctly represents the reaction between
calcium chloride and sodium phosphate to form sodium chloride and
calcium phosphate? - ANSWER 3CaCl2+2Na3PO4→6NaCl+Ca3(PO4)2
10.How many moles are in 92.4 g of hydrogen chloride (HCl)? - ANSWER
2.53 mol
11.If there are 5.7 moles of hydrogen atoms in a sample of water (H2O), how
many moles of oxygen atoms are present in the same sample? - ANSWER
2.9 mol
12.How many moles are in 4.1 g of baking soda (NaHCO3)? - ANSWER
0.049 mol
13.How many moles of methane gas (CH4) are present in 892 L of gas at STP
(273 K and 1.00 atm)? - ANSWER 39.8 mol
In the following reaction, 35.2 g of bromine (Br2) is mixed with 23.1 g of
phosphorus (P) to produce phosphorus tribromide (PBr3).
3Br2+2P→2PBr33Br2+2P→2PBr3
