How is chemical energy useful? Give three examples.

Water was poured over a large oil fire to extinguish it. What would happen and why?

Complete the following statements to describe solids, liquids, and gases. Select the correct answer from each drop-down menu. A solid (A. has B. does not have) a definite volume and (A. Has B. Does not) a definite shape. A liquid (A. Has B.

If I have 7.5 L of a gas in a piston at a pressure of 1.75 atm and compress the gas until its volume is 3.7 L, what will the new pressure inside the piston be?

The density of a 56.0% by weight aqueous solution of methanol (CH3OH) is 0.9046 g/cm3. What is the molarity of the solution? 16.8 16.4 17.0 15.1 15.8

During what type of process are the atoms that make up the substances involved actually rearranged?

Write the chemical formula for each compound described. a) barium chloride (1 Ba ion, 2 Cl ion)

Acetonitrile (CH3CN) is an important industrial cheical. Among other things, it Is used to make plastic moldings, which have multiple uses, from car parts to Lego bricks. Which statement below about acetonitrile is FALSE? a.

State the difference between sugar in water and pebbles in water

What is the molar mass of Sr?

When protons and neutrons join together to make a nucleus, energy is?