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

On a cold day, when the air temperature is 0°c, you empty your lungs and take a deep breath, filling your lungs with 4.2 l of air. if you hold your breath until the temperature of the air in your lungs reaches 37°c, what is the volume of the air in your lungs at that point, assuming the pressure does not change?

According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity