Calculate the amount of heat needed to raise the temperature of 4 ml of water from 10C to 30C

Explain why phosphoric acid is needed for the battery to operate

Which statement about uncouplers is NOT true? A. They allow ATP synthesis with no electron transport. B. They allow electron transport without ATP synthesis. C.

Identify the information that can be included in a chemical equation.

If you have a gold brick that is 2cm by 3cm by 4cm and has density of 19.3g/cm3, what is its mass?

Of the elements: b, c, f, li, and na. the element with the smallest ionization energy is

The Greek letter D stands for A. Mass of B. Rate of C. Change in D. Heat stored in

14. Two or more substances that are together but do not combine to form a new, pure substance.

A solution of a compound with a known extinction coefficient of 23,100 M-1cm-1 has an absorbance of 0.735 in a 1.30cm path length, what is the concentration of the solution

Balance the following equation with the smallest whole number coefficients. Choose the answer that is the sum of the coefficients in the balanced equation. Do not forget coefficients of "one". RbOH + H3PO4 → Rb3PO4 + H2O

What is the temperature of 100 liter container having 1 mole of an ideal gas at a pressure of 20 kilopascals