Carbon dioxide subliming is an example of which of the following?

O A. Mass change

O B. Chemical change

O C. Nuclear change

O

D. Physical change

When should a plastic volumetric flask be used instead of a more accurate glass flask? 1. when measuring acids 2. when measuring hazardous chemicals - the plastic flask is disposable 3.

Solute and solvent how are they alike?

What determines the average kinetic energy of the particles in a gas? A. the number of collisions B. the number of particles OC. the size of the particles D. the temperature

If you start with 163 g of water at 29◦C, how much heat must you add to convert all the liquid into vapor at 100◦C? Assume no heat is lost to the surroundings. Answer in units of kJ.

What piece of lab equipment would you use to conduct a small chemical experiment? Erlenmeyer flask test tube graduated cylinder Beaker

If i burn steel wool inside a closed jar or bottle will the oxygen be completly gone

700 grams of glucose reacted fully with oxygen How many moles of gas will be created

The uranium used for nuclear fuel exists in nature in several minerals. Calculate how many moles of uranium are in 8.00 moles of the following: 1. carnotite, K2 (UO2) 2 (VO4) 2 • 3H2O 2. uranophane, CaU2Si2O11 • 7H2O 3.

What is the chemical formula of a compound that is composed of the ions Ca2 + and br-

What element is likely to form an ionic compound with chlorine?