What is the atomic mass of an atom of aluminum?

a. 2

b. 13

c. 15

d. 28

Enter the chemical formula for the cation present in the aqueous solution of AgNO3.

What is the concentration of h + ions in a 2.20 m solution of hno3?

A gas sample with a volume of 5.3 l has a pressure of 735 mm hg at 28 c. What is the sample if the volume remains at 5.3 l but the temperature rises to 86 c

Describe how a wave is reflected on flat surfaces and curved surfaces?

The pressure of a gas changes from 120kPa to 50kPa. The volume changes from 45L to 40L. If the initial temperature is 81°C, what is the final temperature in Kelvin units?

What is the mass of 125 mL gaseous chlorine, density = 3.16 g/L?

Translate the following chemical equation into a sentence. CH4+2O2 CO2+2H2O

Does temperature change during a chemical reaction?

Understanding the high-temperature formation and breakdown of the nitrogen oxides is essential for controlling the pollutants generated by car engines.

A car driver accelerates to a speed of 35 mph and then takes her foot off the gas pedal. Even though she does not press the brake pedal at any time, she eventually rolls to a stop. Which of the following most likely causes the car to come to a stop?