ARISE Chemistry Exam 2

Questions 1. - 10.

100

A. number of protons

6. What is the Atomic number? 

200

E. same number of protons, different number of neutrons

8. What is an Isotope?

300

D. 1 proton and 1 neutron

A. 1 proton and 2 neutrons

3. What is Deuterium?

4. What is Tritium?

400

C. attract

A. involved in chemical bonds

B. sum of protons and neutrons

7. What are Opposite charges? 

9. What are Electrons? 

10. What is the Atomic mass number? 

500

E. atoms of the same element have same number of protons

C. + and - charges

B. atomic theory

1. Who is Moseley?

2. Who is Franklin? 

5. Who is Dalton?

Molecular Mass & Molarity (part 1)

100

11. The molecular mass of KOH.

B. What is 56 g/mole?

200

13. 1 liter of 3 M NaCl has how many moles of NaCl?

C. 3 moles of NaCl

300

15. 200 ml of 3 M NaCl has how many grams of NaCl?

A. 35.1 grams of NaCl

400

18. 250 ml of 1.5 M C₁₂H₂₂O₁₁ has how many moles of C₁₂H₂₂O_11?

B. 0.375 moles of C₁₂H₂₂O₁₁

500

17. 300 ml of 1 M C₁₂H₂₂O₁₁ has how many grams of C₁₂H₂₂O₁₁?

A. 102.6 grams of C₁₂H₂₂O₁₁

Molecular Mass & Molarity (part 2)

100

12. The molecular mass of glucose (C₁₂H₂₂O₁₁)

B. What is 342 g/mole?

200

16. 1 liter of 1 M C₁₂H₂₂O₁₁ has how many moles of C₁₂H₂₂O₁₁?

C. 1 mole of C₁₂H₂₂O₁₁

300

14. 1 liter of 3M NaCl has how many grams of NaCl?

B. 175.5 grams of NaCl

400

!!!DOUBLE JEOPARDY!!! Bonus question:

100ml of 0.1 M NaOH has how many grams of NaOH?

!!!DOUBLE JEOPARDY!!!

0.4 grams NaOH

500

19. 250 ml of 1.5 M C₁₂H₂₂O₁₁ has how many grams of C₁₂H₂₂O₁₁ ?

C. 128.25 grams of C₁₂H₂₂O₁₁

Definitions 23. - 27.

100

23. Spontaneous

What is C. it will happen

200

24. Precipitation

 What is E. comes out of solution?

300

27. Kinetics

What is D. rates of chemical reactions

400

26. Oxidation

What is B. removes electrons?

500

25. Endergonic

"This" is an example of an Endergonic Reaction.

What is A. absorbs energy?

What is Photosynthesis?

Chemical Reactions

100

20. Which of the following is NOT a chemical reaction? 

What is A. Water Boiling? 

200

28. In 3 Fe₂O₃, there are how many Fe atoms? 

What is C. 6 Fe atoms? 

300

29. Which of the following is a proper balanced equation?

What is A. 2 Mg + O2 ---> 2 MgO

400

21. Which of the following equations is balanced? 

22. Which of these equations is NOT balanced?

What is B. 2 Mg + O2 ---> 2 MgO

What is C. CH₄ + O₂ ---> CO₂ + H₂O

500

!!!Double Jeopardy!!! 

30. C₃H₈ + _______ ---> 3 CO₂ + 4 H₂O

Balance the equation and tell us what kind of chemical reaction this is?

A Balanced reaction: 

What is C. 5 O₂

C₃H₈ + 5O₂ ---> 3 CO₂ + 4 H₂O

**Combustion reaction of Propane**