1. What is a general formula?

Question 1 of 22

2. Why is carbon dioxide, CO₂ harmful to the environment?

Question 2 of 22

3. Explain the term hydrocarbon

Question 3 of 22

4. What is the name of this molecule?

Question 4 of 22

5. In car engines, sparks cause the formation of some gases which contribute to acid rain. What are these gases?

Question 5 of 22

6. If a substance has a simple molecular structure, what physical state might it be at room temperature?

Question 6 of 22

7. A student names this molecule 2-ethylpentane. Which of these statements is true about the student's naming of the molecule?

Question 7 of 22

8. State the general formula of alkanes

Question 8 of 22

9. What is meant by the term viscosity?

Question 9 of 22

10. Explain the term isomerism

Question 10 of 22

11. Describe the problems caused by acid rain

Question 11 of 22

12. Recall a use of diesel

Question 12 of 22

13. Explain the term saturated

Question 13 of 22

14. Balance the equation for the reaction: ___ HCl(aq) + ___ MnO₂(s) → ___MnCl₂(aq) + ___H₂O(l) + ___ Cl₂(g)

Question 14 of 22

15. What is a substance called if it, when burned, releases heat energy?

Question 15 of 22

16. Write a chemical equation for the complete combustion of propane

Question 16 of 22

17. Why is the melting point of a smaller molecule lower than that of a larger molecule?

Question 17 of 22

18. How does sulfur dioxide form in car engines?

Question 18 of 22

19. Why does incomplete combustion occur?

Question 19 of 22

20. What is the name of the process in which crude oil is separated into its various components?

Question 20 of 22

21. What is crude oil?

Question 21 of 22

22. Name this molecule

Question 22 of 22


 

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