How many grams are there in 100L of H2 gas?

Calculate the number of grams of Mg needed for this reaction to release enough energy to increase the temperature of 78 mL of water from 29 ∘C to 78 ∘C.

Silicon has a relatively large latent heat of vaporization of 12800 J/g. This indicates that silicon has:

Why does copper carbonate decompose very easily?

Which of these molecules are considered compounds? (Mark ALL that apply) F2 (fluorine gas) N2 (nitrogen gas) CO2 (carbon dioxide) H2SO4 (sulfuric acid) Naci (table salt

Which describes the use of a renewable energy source? burning natural gas to power city buses using solar cells to heat water for use in homes burning coal to operate the machinery in a factory

A team of scientist is studying an earthquake. Which task would the physical scientist most likely do

The atomic number of nitrogen is 7. The number of electrons a neutral nitrogen atom has is

Describe the charges of the subatomic particles by choosing the answer from the drop-down menu. Proton have a charge. Have a 0 charge. Electrons have a charge.

How did Alexander effect the people of Judah?

Is it possible for a molecule only made up of hydrogen and carbon to be polar?