Which is an example of a chemical reaction? A) melting ice B) rusting iron C) water evaporating D) rubbing a marker on paper

What is the pH of a solution obtained by dissolving two extra-strength aspirin tablets, containing 470 mg of acetylsalicylic acid each, in 240 mL of water?

When magma pushes sedimentary rock upward mountain is formed.

Which of the following elements share the same number of energy levels? helium (He) and neon (Ne) potassium (K) and bromine (Br) magnesium (Mg) and calcium (Ca) boron (B) and aluminum (Al)

What is the equations that decompose hydrogen peroxide

A student sets up an experiment with two groups of bacteria. One group is exposed to the normal amount of mercury found in the environment. The other group gets a larger dose. Which term describes the normally treated group

What do chemists use to describe a chemical reaction

When you drop a sugar cube in a glass of water, at first the water doesn't taste sweet. Later, it tastes very sweet. Eventually, the water will taste equally sweet throughout. What term explains molecule movement to maintain a balance?

Using density what is the mass in grams of 150mL of a liquid with a density of 1.4 g/mL

All of the following can be recycled except clothing aluminum cans compact fluorescent bulbs plastic drink bottles

Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.0 L of water upon warming from 25 ∘C to 50 ∘C.