A student performed the following reaction: AB + C --> CB + A How many grams of C reacted given the following values: 3 g AB, 68 g CB, and 9 g A?

What is the specific heat of a substance that absorbs 2.5×10^3 joules of heat when a sample of 1.0 ×10^4g of the substance increases in temperature from 10°c to 70°c?

The density of a planet is 0.69 g/cm3 (density of water is 1.0 g/cm3). which of the following planets might this be? a. mercury b. venus c. saturn d. mars

The ph of carrots are 5.0 how it is classified a. acidic b. basic c. indicator d. neutral