Laura measures the length of a piece of equipment in inches. Which metric unit is the most appropriate for her to use for her measurement?

Is pencil lead a heterogeneous or homogeneous mixture?

A covalent bond is formed when: a. two nonpolar molecules associate with each other in a polar environment. b. a positively charged particle is attracted to a negatively charged particle. c. one atom gives up electrons to another atom. d.

A sample of gas has a volume of 5.79 L at 25C and 518. What will be the volume of this gas at STP

What are Kr and Xe. (elements) ?

What type of matter is the sky

Iodine pentafluoride gas reacts with iodine fluoride gas producing iodine heptafluoride gas and iodine gas. What is the maximum number of grams of iodine gas that can be produced from a reaction of 10.0 g of iodine pentafluoride with 11.

What evidence of a chemical reaction might you see in dropping an Alka-Seltzer tablet into a glass of water?

State hess's law. how is it used

When the name of a molecule ends in - ose, the molecule is a

How many moles are in. 12 grams of gold.