When surface water dissolves carbon dioxide, carbonic acid is formed, H2CO3. Given 283.8 grams of water, how many grams of carbonic acid are formed? ___H2O + ___CO2 ___H2CO3.

When balancing a chemical equation:

Building glycogen from glucose molecules is an example of

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?