Match the three phases of matter.

1. fixed volume; variable shape gas

2. fixed volume; fixed shape liquid

3. variable volume; variable shape solid

Imagine you are volunteering in a 1st grade classroom. The students recently learned about the water cycle. One student raises her hand and asks, "I heard that elements like carbon can cycle too.

How many tons of zinc can be obtained from 976 tons of zinc ore that is 78.0% zinc carbonate?

What is NOT a property of a base

What is the percent by mass of hydrogen in, C9H6O3

Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb of energy in the form of heat if the temperature of the sodium is not to increase?

What does it mean when there are 2.3 x 10-4 moles?

Electric force is an A. attraction and repulsion between protons and electrons . B. attraction and repulsion between protons and neutrons. C. attraction and repulsion between neutrons and electrons.

A salt crystal has a mass of 0.18 mg. how many nacl formula units does it contain?

Which of the following is easist to accelerate? A. bowling ball B. tennis ball C. golf ball D. ping pong ball

Fish need at least 4 ppm dissolved o2 for survival. part a what is this concentration in mol/l?