Which of the following is required to change the state of matter?

addition or removal of heat

decrease in temperature

increase in temperature

addition or removal of energy

Find the temperature (°C) of 1.25 moles of a gas if the gas has a volume 20.0 liters at a pressure of 1.75 atm.

Using activated charcoal to separate heavy metals from water is a process known as scrubbing. True or False

What is a beneficial aspect of nuclear fission? A. The ability to absorb energy B. The ability to produce more energy than nuclear fusion C. The ability to release tremendous amounts of energy D. There are no beneficial aspects of nuclear fission

Which of the following can be used to neutralize a sodium hydroxide (NaOH) solution? NaCl NH3 HCl Ca (OH) 2

Have you ever tried to mix sugar with a cold drink like tea or lemonade? What happened? Explain why.

What structure do all of these elements have in common? A) number of protons B) numbers of electrons C) number of energy levels D) number of valence electrons

How does balancing equations depend on the law of conservation of matter?

Which substance can act as an arrhenius base in an aqueous solution

The rate of change in distance dicided by time

Under which condition will air behave as conductor?