2. 100 It’s getting hot in here. 400 300 200 500 100 In perfect balance 400 300 200 500 100 Convert me. 400 300 200 500 100 Switzerland was neutral too. 400 300 200 500 100 Count me in. 400 300 200 500

3. Column 1, 100 Convert this temperature to Kelvin: 305 °C

4. Column 1, 200 This is standard temperature in Kelvin and Celsius.

5. Column 1, 300 The pressure of a gas at 45kPa and 12 o C is lowered to 23kPa. What is the final temperature of the gas?

6. Column 1, 400 What is the final volume of a gas at 300K if the gas originally occupies 320 mL at 25 K?

7. Column1, 500 At 189 K and a pressure of 550 torr, a sample of nitrogen gas has a volume of 32.0 cm 3. What volume does the gas occupy at 242 K and 675 torr?

8. Column 2, 100 State the Law of Conservation of Matter.

9. Column 2, 200 Complete an atom inventory for the following equation, then determine if the equation is balanced or not. Li 2 O + H 2 O  2 LiOH

10. Column 2, 300 In order to balance this equation, what coefficient must be placed in front of water? Fe 2 O 3 + H 2 → Fe + H 2 O

11. Column 2, 400 Show the coefficients used to balance the following chemical equation: H 3 PO 4 + HCl → PCl 5 + H 2 O

12. Column 2, 500 If you have 13 grams of N 2, how many grams of NH 3 will be created using the equation below? N 2 + H 2 → NH 3

13. Column 3, 100 How many feet are there in 7 miles? 1 mile = 5280 feet

14. Column 3, 200 Convert 26 grams of HF to moles.

15. Column 3, 300 How many liters are in 800 mL?

16. Column 3, 400 How many moles are present in 352 g of iron (III) oxide, Fe 2 O 3 ?

17. Column 3, 500 How many grams are present in 1.43 moles of magnesium hydroxide, Mg(OH) 2 ?

18. Column 4, 100 In the formula: (NH 4 ) 2 SO 3 The sulfite ion has a charge of (2-), therefore the ammonium ion has a charge of this.

19. Column 4, 200 Write the formula for the ionic compound calcium oxide.

20. Column 4, 300 Write the formula for the ionic compound formed by the ions below. Zn 2+ OH -

21. Column 4, 400 Write the formula for the ionic compound formed by the ions below. CO 3 2- Al 3+

22. Column 4, 500 Find the molar mass of strontium carbonate.

23. Column 5, 100 How many atoms are in 5Zn 3 (PO 4 ) 2 ?

24. Column 5, 200 How many neutrons are found in an isotope of 235 U? 92

25. Column 5, 300 What is the mass number of an atom with 19 protons and 23 neutrons in its nucleus?

26. Column 5, 400 Calculate the molar mass of Zn 3 (PO 4 ) 2

27. Column 5, 500 How many more neutrons are found in the nucleus of an iron atom with a mass number 55 than in the nucleus of a calcium atom with a mass number 39?