Set 2 - Ec

11. Which planet has the least elliptical orbit?

(1) Jupiter

(2) Mars

(3) Venus

(4) Saturn

11

What does molality measure? O A. Kinetic energy O B. Density C. Concentration D. Temperature change

The SI unit of weight is the same as that of force. What does this tell us about weight? Explain. What is the biggest force this force meter can measure? How big is the force lifting this stool? .

The spectator ions in the reaction between aqueous chloric acid and aqueous barium hydroxide are

Two football linemen push against each other in practice. They do not move, but then lineman B moves forward and lineman A moves backward.

Copper carbonate with ammonia water (two step equation), balanced with state symbols

What is the net ionic equation for AgNO3 (aq) + Na2SO4 (aq)

What does it take to prove a hypothesis false? O A. It is impossible to prove a hypothesis false O B. At least ten examples O C. One counterexample O D. A poorly stated question

We dissolve 5g of sugar, C12H22O11, in water to make 1L solution. What is the concentration of this solution expressed as molarity.

Explain how the molar mass of a gas affects the rate at which the gas diffuses and effuses

Wat is a redox reaction