Find the pH of a solution whose hydronium concentration is 1.0 x 10-11

If a girl is dating a guy and the guy is a catfish, what should the girl do to prove it?

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?

How many grams of Br are in 335g of CaBr2

If 0.0714 moles of N2 gas occupies 1.25 L space, how many moles of N2 have a volume of 25.0 L? Assume temperature and pressure stayed constant.

Which of the following gives the correct possible values of l for n=4? 0,1,2,3 -4,-3,-2,-1,0,1,2,3,4 0,1,2,3,4

A small 15 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

Liquid water is heated until it boils and becomes water gas. Which statement is true about the water?

You are conducting an experiment on plant growth. You take a plant fresh from the soil that weighs 5 kilograms (kg). Then you dry the plant overnight and determine the dry weight to be 1 kg.

What is the ratio of Fe+3 ions to O2 - ions in a neutral compound? a. 1:2 b. 2:1 c. 2:3 d. 3:2

What is the specific heat capacity of a 17.5g sample of an unknown metal that releases 6700J of heat when it cools from 90 to 25 degrees C?