A decimeter (dm) is one tenth of a meter. The diameter of Earth is 1.3 x 104 km. What is the diameter expressed in decimeters?

1.3 * 107 dm

1.3 * 1011 dm

1.3 * 108 dm

1.3 * 10-5 dm

What is the complete balanced equation for the reaction that occurs when lithium carbonate (Li2CO3) is heated?

Raising the temperature speeds up the rate of the chemical reaction by increasing what?

Is epsom salt a pure substance or mixture

Why are human matter?

Which scientific design has limitations due to oversimplification? In a study of the interaction of air quality and crop yields, a computer compiles data that are collected by farmers from countries around the world.

For the baeyer-villiger oxidation of cyclohexyl methyl ketone

What will happen if the density of an object is less than the density of water?

Which cannot be separated into simpler substances? compound element solution mixture

What jobs involve chesmistry

Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+charge. How are these two alike? How are they different? Be sure to use the terms proton, neutron, and electron in your answer.