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Quiz Retake: Balancing, Molarity, Reaction Types, Double Replacement Products (4/16/2024) (4/16/2024) (4/23/2024)

Last updated 6 months ago
10 questions
Note from the author:
Note: Chemical Equations in the "Identifying Reaction Types" Section may not be balanced. That doesn't affect the type of reaction that is shown.

You may use your notes and a calculator, but no phone or other tabs on your Chromebook.
Note: Chemical Equations in the "Identifying Reaction Types" Section may not be balanced. That doesn't affect the type of reaction that is shown.

You may use your notes and a calculator, but no phone or other tabs on your Chromebook.
Required
2

What type of chemical reactions is this?: 4Li(s) + O2(g) -----> 2Li2O(s)

Required
2

What type of chemical reactions is this?: 2C2H6 + 7O2 -----> 4CO2 + 6H2O

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2

What type of chemical reactions is this?: 2Na + 2H2O → 2NaOH + H2

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2

What type of chemical reactions is this?: 2H2O2 → O2 + 2H2O

Required
2

What type of chemical reactions is this?: AgNO3 + NaCl → AgCl + NaNO3

Required
2
_______ C + _______ H2O ----> _______CH4 + _______ CO2
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2
_______ NO(g) + _______ CO(g) → _______ N2 (g) + _______ CO2 (g)
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2
What is the molarity of 500 mL of an NaCl solution that contains 1.5 mol NaCl? _______ [Remember to include units but don't include the compound name ex. of correct response: 0.500 M ]
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2
How many moles of KOH are in 200mL of 0.5 M KOH ? _______ [Remember to include units but don't include the compound name ex. of correct response: 0.125 mol]
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2

If the following two aqueous solutions are mixed, which of the answer choices would be the correct products? Pb(NO3)2 + KI [NOTE: Pb has a charge of +2]