What happens when light from the sun passes through any type of matter? the light slows down. the light speeds up. most of the light is absorbed. most of the light is reflected.

What element forms an ion with an electronic configuration of [kr] and a - 2 charge?

Predicting Reaction Products Sn + CuCl2

Which type of preservation is made when a mold fills in with sediment, showing the exterior features of an organism? A. Trace fossil B. Carbon film C. Cast D. Microfossil

Which kind of energy is stored in a chemical bond

1. TNT, (C7H5N3O6) reacts explosively with oxygen gas (O2) to produce CO2 gas, water vapor, and N2 gas. If James weighs out 0.853 g of TNT, answer the following question: How many mg of O2 will react with the TNT?

How does a mixture of benzoic acid and benzaldehyde can be isolated separately by extractions?

What is a compound? a) a combination of two or more substances that are not chemically combined b) a combination of two or more elements that are combined in a certain ratio

A gas has a volume of 75mL at a pressure of 200.0 kPa. What will be the new volume be in mL if the pressure is decreased to 60.0 kPa in sig figs

Give two reasons why it's important to work with a partner in a lab

Suppose you have 3.00*1018 reams of lead (pb). how many lead atoms do you have? express the number of atoms numerically.