Find the volume of 4.5 moles of H2

The change of matter from a liquid state to a gas state

Traits are passed from parents to offspring. These traits are determined by 1. chromosomes, located on genes, found in the nucleus 2. genes, located on chromosomes, found in the nucleus 3. chromosomes, located on genes, found in the ribosomes 4.

The frequency of the middle G note on a piano is 392.00 Hz. 392.00 Hz. What is the wavelength of this note in centimeters? The speed of sound in air is 343.06 m/s.

For the reaction: h2nnh2 (aq) + h2o (l) ⇌ h2nnh3 + (aq) + oh - (aq) determine the conjugate base of the acid?

What would happen to the annual rates of limestone (CaCO3) precipitation in the ocean if the ocean water were to become much warmer and more acidic?

Read the excerpt from a science text. In our experiment, we filled two identical glasses with water. To one glass, we added two tablespoons of salt and stirred. To the other glass, we added four drops of food coloring and stirred.

Carbon can double bond to some atoms to complete its octet. True or false?

What is caused by the heating and coolingof the earth

How do the particlesthat make up an atom interact

A chemistry student needs 55.0g of dimethyl sulfoxide for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of dimethyl sulfoxide is ·1.10gcm-3.