When potassium carbonate and calcium chromate are mixed, which of the following will pass through a filter?

a) K and CrO4 only

b) Ca and CO3 only

c) K, CrO4, Ca and CO3

d) none of the ions pass through

What process is responsible for continually wearing away the Earths surface A. erosion B. faulting C. deposition D. folding 10 pts

Explain what is the process of combustion?

Balance N2 + H2 - NH3 what type of reaction

Which nutrient source doesn't directly provide energy?

On a small farm, the weights of eggs that young hens lay are normally distributed with a mean weight of 51.3 grams and a standard deviation of 4.8 grams. Using the 68-95-99.7 rule, about what percent of eggs weigh between 46.5g and 65.7g.

The smallest part of a element that retains the properties of that element

What information can be learned from bloodstains at a crime scene?

1. A window washer does not want to change her position. What does she want the forces acting on her to be? A. small B. large C. balanced D. unbalanced 2. When an object that is moving slows down, which action must be occurring? A. balanced forces B.

Iridium ii phosphate monohydrate

Which of the following does not happen during a chemical change? Mass is gained. New compounds are formed. Old compounds are broken down. Bonds are broken.