physical changes don't change chemical identity, but chemical reactions do change the chemical identity of something: true or false

2. You used a calorimeter in the Heat Transfer lab. Explain how the calorimeter works, and how to calculate the heat given off or absorbed by the reaction being studied.

Identify the outer electron configurations for the (a) alkali metals, (b) alkaline earth metals, (c) halogens, (d) noble gases.

Does the solubility of borax in water increase or decrease as temperature increases

Name the following compound: CH3 - CH2 - OH Ethanol Ethane Ethanone Ethyl ether

Which type of clouds brings lighting, thunder, and tornadoes?

How many nonbonding electron pairs are there in the lewis structure of the peroxide ion, o22-?

How many ions that have a + 1 charge will bond with an ion that has a - 2 charge? one two three four

Convert: 65 kg to mg 65,000 mg O 65,000,000 mg O 65 mg

F. How many representative particles are in 6.78 moles of sucrose C12H22011?

The ratio of the lengths of two sides of a right triangle forms a