Which of the following describes a chemical change?

a. ethanol boils when heated.

b. ethanol has a high heat capacity.

c. ethanol can be produced by the fermentation of grapes.

d. ethanol is a clear

Q. 1 What is one joule work?

What are four physical properties of an orange.

what the new pressure in kpa of an empty 200 ml aerosol at room temperature 22C and 45 kps if it is thrown into an 800C fire and balloons in size to 1.50L?

Which of the following types of coal requires the most intense pressure in order to form?

1. What is the term for a state of matter that has a definite volume and a definite shape?

How many molecules are in 4.50 moles of water

N aqueous solution of sodium hydroxide is standardized by titration with a 0.154 m solution of hydrochloric acid. if 17.5 ml of base are required to neutralize 17.6 ml of the acid, what is the molarity of the sodium hydroxide solution?

Consider the positions of barium (Ba), sulfur (S), silicon (Si), and calcium (Ca) on the periodic table. The atoms of which element require the least amount of energy to give up an electron when forming chemical bonds?

what is way to find the numbers of liters in 8 kilometers? (A.) Add 5,000 and 3, because you are adding 3 kiloliters to 5,000 liters. (B.) Multiply 8 by 3,000, because each kiloliter has 3,000 liters. (C.

How much energy must be added to 2 mol H2O (g) to cause it to decompose into H2 and 02? KJ