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9 week exam Review. Question 1 - 10. The name of this compound is sodium chloride. Answer 1 – 10. What is NaCl ?. Question 1 - 20. Name of this compound is Strontium hydroxide. Answer 1 – 20. What is Sr (OH) 2 ?. Question 1 - 30. The formula for this compound is PbO. Answer 1 – 30.
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Question 1 - 10 • The name of this compound is sodium chloride.
Answer 1 – 10 What is NaCl?
Question 1 - 20 • Name of this compound is Strontium hydroxide
Answer 1 – 20 What is Sr(OH)2?
Question 1 - 30 The formula for this compound is PbO.
Answer 1 – 30 Lead (II) oxide
Question 1 - 40 The formula for this compound is Sn(SO4)2
Answer 1 – 40 Tin (IV) sulfate
Question 1 - 50 The name of this compound is nitric acid.
Answer 1 – 50 • HNO3
Question 2 - 10 This is another word for covalent compounds.
Answer 2 – 10 What is molecular?
Question 2 - 20 The prefix for four when naming covalent compounds.
Answer 2 – 20 What is tetra?
Question 2 - 30 • The name of this compound is diphosphorus trioxide.
Answer 2 – 30 P2O3
Question 2 - 40 The formula for this compound is Si6Cl
Answer 2 – 40 Hexasiliconmonochloride
Question 2 - 50 The formula is B7O9
Answer 2 – 50 Heptaboronnonaoxide
Question 3 - 10 • What type of reaction is shown: A + B AB
Answer 3 – 10 • synthesis
Question 3 - 20 What type of reaction is shown: NaOH + HI NaI + H2O
Answer 3 – 20 Double replacement/displacement or acid-base
Question 3 - 30 What would be products be: Ag + MgCl2
Answer 3 – 30 Silver chloride and magnesium (AgCl and Mg)
Question 3 - 40 Finish this combustion CH4 +
Answer 3 – 40 CH4 + O2 CO2 + H2O
Question 3 - 50 • Predict the products: Ca(OH)2 + Al2S3
Answer 3 – 50 Calcium sulfide and aluminum hydroxide CaS + Al(OH)3
Question 4 - 10 These are the numbers that can be used to balance equations.
Answer 4 – 10 • What is a coefficient?
Question 4 - 20 What are the coefficients needed to balance the following equation? Ca + N2 Ca3N2
Answer 4 – 20 3,1,1
Question 4 - 30 Balance the following: Ca(NO3)2 + Fe Fe(NO3)3 + Ca
Answer 4 – 30 • 3,2,2,3
Question 4 - 40 What are the coefficients when the following equation is balanced? Ga(CN)3 + Sn(BrO3)4 Sn(CN)4 + Ga(BrO3)3
Answer 4 – 40 4,3,3,4
Question 4 - 50 • Balance this equation: C3H6 + O2 CO2 + H2O
Answer 4 – 50 2, 9, 6, 6
Question 5 - 10 1 mole of helium atoms is equivalent to….
Answer 5 – 10 6.02 X 1023helium atoms
Question 5 - 20 • What is the mass of 2.3 mol of oxygen molecules?
Answer 5 – 20 73.6 g O2
Question 5 - 30 How many molecules of CO2 are equivalent to 9.1 mol CO2?
Answer 5 – 30 5.48 x 1024 molecules CO2
Question 5 - 40 How many atoms of oxygen are in 2 molecules of H2SO4?
Answer 5 – 40 8 atoms