What are all of the living and nonliving things in an area called?

Samantha bought 450 rolls of toilet paper for her family to use while they are stuck at home. There are 4 people in her family.

When is a roman numeral most likely needed in the name of an ionic compound? when more than one polyatomic ion appears when the anion is a polyatomic ion when more than one cation is used in the formula when the cation is a transition metal

2.0 L of nitrogen gas at 480 torr is compressed into a 0.50 L container. What is the new pressure of the nitrogen gas?

Most substances become less dense as the temperature increases. Which substance is an exception to this rule

Class science A lunar eclipse occurs when Question 22 options: The moon passes through earth's shadow. The sun passes through the moon's shadow. The sun passes between the earth and the moon. The moon passes between the earth and the sun. 1 question

How are natural polymers and synthetic polymers similar? A) Both are made up of phosphates and organic bases B) Both serve important roles in producing amino acids C) Both are made up of monomers that are linked by covalent bonds

How can the solubility of a solution be increased? By increasing the temperature. By decreasing the temperature. By increasing the amount of solvent added. By decreasing the amount of solvent added.

Read the scenario. Ammonia is obtained from a reaction between nitrogen and hydrogen gases. The mole ratio between hydrogen gas and nitrogen gas is 3 to 1, and the mole ratio between ammonia and hydrogen gases is 2 to 3.

Transmutation is the process of transforming one element into another through nuclear reactions. What will be the nuclide produced when Cf-249 is bombarded with C-12? Four neutrons are also produced by the reaction.

State the formula for density in words and mathematical symbols.