The mass of an object is the ___.

A) amount of matter it contains

B) amount of space it takes up

C) amount of water it displaces

D) force of gravity acting on it

Explain calcination and roasting

For each reaction, identify the substance being oxidized and the substance being reduced.? A.) Mg (s) + Br2 (g) →MgBr2 (s) substance being oxidized: substance being reduced: B.

Determine the numbers of atoms in each of the following: 5.40g B 0.250 mol K 0.0384 mol K 0.02550g pt 1.00 x 10^-10g Au

insert the missing coefficients in the following partially balanced chemical equations S+6HNO=HSO4+NO+H2O

What does a very small equilibrium constant (k≪ 1) tell you about the reaction?

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

5.2*10^26 molecules of ch4 in volume

Which of the following statements about igneous rocks is correct A. intrusive igneous rocks are formed when magma is called above the ground. B. Extrusive igneous rocks are formed when magma is cooled above the ground C.