How would a chemical reaction that includes an enzyme differ from a chemical reaction that thats places without an enzyme

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

The rules of engagement (roe) working group is often used to (select all that apply.)

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88