Chemistry 10 Final Exam Review - Free Response

10 Questions | Total Attempts: 46

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Chemistry Quizzes & Trivia

Questions and Answers
  • 1. 
    Write out a balanced chemical equation for sulfur reacts with chlorine forming disulfur dichloride. Do not seperate your answer with spaces and in place of an arrow, use an equals (=) sign. Keep in mind, an arrow and an equals sign are NOT the same.
  • 2. 
    What does combustion yield? Hint: start your answer with water. Do not seperate any part of your answer with spaces.
  • 3. 
    How many moles are there in 9.05x10^25 atoms of boron. Answer in three significant figures and scientific notation. Be sure to label atoms of Boron.
  • 4. 
    Write this number in scientific notation with three significant figures (do not put any space between any component of the equation). Be sure to use this carrot (^) key to indicate an exponent. Use an x to indicate multiplication. 4898000
  • 5. 
    Find the mole-to-mole ratio of this equation. Be sure to seperate your numbers with colon ( : ) signs. SeCl6 + O2 → SeO2 + Cl2
  • 6. 
    Find the mole-to-mole ratio of this equation. Be sure to seperate your numbers with colon ( : ) signs. P4 + O2 → P2 O3
  • 7. 
    If given 427 grams of H3 PO4 and 415 grams of KOH (both of which are reactants), find the mole-to-mole ratio (be sure to seperate each number with a colon ( : )), amount of product produced, and prove LOCOM (all you need to type is the sum of the reactants and the sum of the products with an equall sign in between). Please enter all answers numerically, rounded to three significant figures (not in scientific notation) with proper unit labeling (i.e. grams of H2O). Seperate each answer with a comma and a space.
  • 8. 
    Which is more reactive: Zinc or Iron?
  • 9. 
    How many significant figures are in the 0.000374? (Enter the number numerically)
  • 10. 
    How many significant figures are in the 298001000? (Enter the number numerically)
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