Match the term with its description. Acid A) A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water

Base B) Used to measure the pH of substances by determining their hydrogen ion concentration

pH C) A compound that increases hydroxide ions (OH−) when it is dissolved in a solution

Litmus paper D) A compound that increases hydrogen ions (H+) when it is dissolved in a solution

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.

What is the temperature in degrees celsius of a substance with a tempature of 49k