How many formula units in 2.63 mols of NaCl?

Which element in Period 4 is the most chemically active non-metal?

Witch of the following medicine is used to reduce pain

Ruben wants to determine if listening to different types of music will have an effect on a person's pulse his hypothesis states that if people listen to rap music their pulse will increase more than if they listen to other types of music Ruben takes

What would you expect to happen if you raised the temperature of the water to 85°C? Check all that apply. The reaction rate would be faster than the rate at 65°C. The reaction rate would be slower than the rate at 0°C.

You are in space and running out of water. You do have a great deal of magnesium carbonate pentahydrate. It is possible to extract the water from this.

What causes the phase of the Moon to change?

The Mississippians were considered to be horticulturalists, which means they were

Ammonia produces an alkaline solution when dissolved in water because ammonia a. is an acid. b. does not contain oh - ions. c. is almost insoluble in water. d. produces oh - ions when it dissolves.

assuming gasoline can be represented as C8H18, how much oxygen is needed to completely burn this fuel. answer in grams of oxygen per gram of gasoline

The gases carbon dioxide, oxygen, and argon are mixed in a container. All gases have the same partial pressure, and the total pressure of the container is 32,680 Pa. What is the partial pressure of argon?