24 g of magnesium metal reacts with 16 g of oxygen gas to for magnesium oxide. According to the law of conservation of mass, how much magnesium oxide Weatherbee after the chemical change is complete?

How much energy in joules is found in a photon of yellow light with wavelength 5.9 x 10 - 7 m?

Which of the following describes the cause of acid rain?

You're writing the instruction manual for a power saw, and you have to specify the maximum permissible length for an extension cord made from 18-gauge copper wire (diameter 1.0 mm). the saw draws 9.

Which of the following is a starting compound during cellular respiration? Carbon dioxide Glucose Mitochondria Water

When the temperature of the substance remains constant you can conclude

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.

The compound KOH is called

A balloon contains 1.00 mol helium gas at STP. What will the volume of the balloon be if the pressure increases to 2.00 atm?

If 100 mL of a gas were enclosed in a buret at 500 mm Hg, what volume would the gas occupy at 1000 mm Hg at the same temperature? P1V1=P2V2

Would Mn (HPO4) 2 be manganese (II) monohydrogen phosphate?