Chemistry Jeopardy Chapter 7 Chapter 8-1 Chapter 8-2/8-3 Chapter 9 Chapter 11 and 14 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 FINAL JEOPARDY

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A-100 QUESTION: Find the molar mass of the element Argon on the periodic table and write the number on the board in the proper way. Answer: 39.95 g

A-200 Question: When finding the formula mass of a compound, what are the units you would use? Answer: atomic mass units (amu)

A-300 QUESTION: When finding the Molar mass of a compound, what are the units you would use? Answer: grams/mole

A-400 Group Hug! QUESTION: What is the percentage composition of NO3 in Ba(NO3)2 ? ANSWER: 47.5%

A-500

B-100 QUESTION: A solid produced by a chemical reaction in a solution and separates? Answer: Precipitate

B-200 QUESTION: In the chemical reaction 2Cr(s) + 3O2 (g)  2CrO3(s) , how many oxygen gas atoms are there? ANSWER: six

B-300 QUESTION: To balance a chemical equation, you may have to adjust what? ANSWER: coefficients

B-400 QUESTION: : How would sulfur be written by itself? ANSWER: S8

B-500 Group Hug QUESTION: Balance this, sucker … Fe3O4 + Al  Al2O3 + Fe ANSWER: 3Fe3O4 + 8Al  4Al2O3 + 9Fe

C-100 QUESTION: Out of the 5 types of reactions, in what kind of reaction does one element replace a similar element in a compound? ANSWER: single displacement

C-200 QUESTION: The equation AX A+X is the general equation for what type of reaction? ANSWER: Decomposition

C-300 Group Hug! QUESTION: The formulas for the products of the reaction between sodium hydroxide and hydrobromic acid are: ANSWER: NaBr and H2O

C-400 QUESTION: What is the type of reaction? Mg(s) + 2HCl(aq)  H2(g) + MgCl2(aq) ANSWER: single displacement

C-500 QUESTION: What can be predicted by using the activity series list? ANSWER: Whether a chemical reaction will occur or not.

D-100

D-200

D-300

D-400

D-500 Group Hug

E-100

E-200 ANSWER . What happens to the volume of a gas during compression? ANSWER: decreases

E-300 QUESTION: Which gas law is represented by the following: P1 = P2 T1 T2 ANSWER: Gay-Lussac’s law

E-400 If your phone had a mass of .452 kg how many Newtons would that be? 4.43 N

E-500 Group Hug Question: The volume of a gas is 5.0 L when the temp. is 5.0 degrees C. If the temp. is increased to 10 degrees C without changing the pressure, what is the new volume? Answer: 5.1 L

FINAL JEOPARDY Category: Gas Laws group hug Question: The volume of a gas collected when the temperature is 11.0°C and the pressure is 710 mm Hg measures 14.8 mL. What is the calculated volume of the gas at 1.0°C and 740 mm Hg? Answer: 15.29 mL or 15.3 mL