All of the following are examples of matter except

A) heat.

B) air.

C) water.

D) salt.

E) plants.

What volume of 1.0 M sodium phosphate, to the nearest tenth of a liter, must be used to make 4.0 L of 0.80 M sodium phosphate?

What is the meaning of pseudopod? A. true foot B. true hand C. false foot D. false hand

What would the mass of 7 red apples be in kilograms?

HBr + H₂SO₄ SO₂ + Br₂ + H₂O What is the oxidation number of the oxidizing agent? What is the oxidation number of the reducing agent?

Word elements can be used to show chemical reactions. When hydrogen burns in oxygen. Water is produced. The word equation is hydrogen + oxygen - water. Write the word equation for iron and sulphur combining to form iron sulphide.

Rob is conducting an experiment in which he measures a person's body temperature in response to changes in air temperature. What is the independent variable that is manipulated in the experiment?

How many joules of energy are needed to warm 5.00 g of silver from 25.0°C to 27.5°C? (The specific heat of silver is 0.24 J/g°C.)

In the reaction of magnesium with oxygen gas, a considerable amount of energy was released. This is an example of an exothermic reaction.

Why does an air bubble rise to the surface of a glass of water?

What term expresses the ratio of moles of reactants and products according to the coefficients in the balanced chemical equation? A) mole ratio B) reactant ratio C) product ratio D) yield ratio E) none of the above