Which is NOT a chemical reaction?

a. water seeping through a pot of soil

b. a nail gradually rusting

c. mold growing on a piece of cheese

d. eggs being cooked in a pan

Which the following accurately describes a trade-off of using nuclear energy to produce electricity? A. The energy source is renewable, but the power plant disturbs natural ecosystems by stopping the flow of rivers B.

What is an ionic compound?

A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company, Pharma-pill.

The mutual force of attraction between ions of opposite charges can best be described as A. an ionic bond. B. a polar covalent bond. C. an electronegative bond. D. a non-polar covalent bond.

During an earthquake the cooling system of a nuclear reaction can be compromise increasing the threat of what?

How many molecules are in 3 moles of Fe2O3?

What terms are needed to completely describe velocity ... A. units B. number C. mass D. direction

How many grams are in 3.3 moles of potassium sulfide, k2s

What is fusion energy

A 4.5-liter sample of a gas has 0.80 mole of the gas. If 0.35 mole of the gas is added, what is the final volume of the gas? Temperature and pressure remain constant. 3.9 liters 5.3 liters 6.3 liters 6.5 liters