Calculate the pH at of a solution of sodium propionate . Note that propionic acid is a weak acid with a of . Round your answer to decimal place.

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

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.