1. Electrons are diffracted to give a pattern like this when they are passed through a crystal. What is the cause of this pattern
formation?

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years