Which of the following is an example of a heterogeneous mixture? A. table salt B. iced tea C. clear hot tea D. clear salt water

A runner wants to run 13.1 km. She knows that her running pace is 6.2 mi/h. How many minutes must she run? Hint: Use 6.2 mi/h as a conversion factor between distance and time.

What is the volume of 15.2 grams of SO2 at STP?

What do you think the Earth's atmosphere is made up of?

How many moles of br2 (l) (mm = 159.80 g/mol) are in 13.9 ml of liquid bromine? the density of br2 (l) is 3.12 g/ml?

What is conserved in the reaction H2 (g) + Cl2 (g) - - >2HCl (g)

Why is a foaming antacid tablet fizzing in water a chemical change?

Andrea and her lab partner were conducting a variety of experiments to produce gases: hydrogen, oxygen, and carbon dioxide. In one experiment, they added a piece of magnesium ribbon to 10 milliliters of hydrochloric acid.

The plunger on a bicycle pump with a 400 mL volume cylinder is depressed such that the pressure in the pump increases from 1.00 atm to 6.00 atm.

All of the following statements about protons are true except? A. Protons circle the nucleus of an atom. B. Protons carry a positive charge. C. Protons are found in the nucleus of an atom. D. Protons have a mass of 1 AMU.

What is a particle diagram to illustrate the composition of air