When does a substance have a definite shape?

a. when the substance is a solid.

b. when the substance is a liquid.

c. when the substance is a gas.

d. when the substance is a plasma.

How many valence electrons are in chlorodifluoromethane

What happens to the acidity of solutions A and B after dry ice is added? The pH of solution A decreases, and the pH of solution B increases. The pH of solution A increases, and the pH of solution B decreases.

A container filled with 2.46 kg of water underwent a temperature change from 25.24 °C to 27.31 °C. How much heat, measured in kilojoules, did the water absorb?

Which of the following is a chemical property of water? boils at 100 °C Has a density of 1 gm/mL Is liquid at room temperature Reacts with pure sodium

What are some of the careers involving Space and the study of the Universe?

A penny has a mass of 2.50g and the moon has a mass of 7.35 X 10^22 Use this information to answer the questions below. Be sure your answers have the correct number of significant digits.

If a car tire has a diameter of 3232 inches, what is the approximate circumference of the tire?

9) Bettina spoke into a microphone during the school play to increase the sound of her voice so the audience could hear her speak.

Explain what happens to the average kinetic energy thermal energy and temperature of a substance when the particles in the substance slows down

Which of the following could be used to describe the rate of a reaction? change in time/change in concentration change in mass/change in concentration change in concentration/change in time change in concentration/change in mass