Select whether the statement is for Speed, Velocity, or Acceleration. Billy runs 2 meters per second going east.

Speed

Acceleration

Velocity

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In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Problem page combustion of hydrocarbons such as pentane ( c5 h12 ) produces carbon dioxide, a "greenhouse gas." greenhouse gases in the earth's atmosphere can trap the sun's heat, raising the average temperature of the earth. for this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide.(a) write a balanced chemical equation, including physical state symbols, for the combustion of liquid pentane into gaseous carbon dioxide and gaseous water. (b) suppose 0.350 kg of pentane are burned in air at a pressure of exactly 1 atm and a temperature of 20.0 degree c. calculate the volume of carbon dioxide gas that is produced.be sure your answer has the correct number of significant digits.

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.