What happens to matter during a chemical reaction?

A. Some matter is destroyed and some is created.

B. Some matter is destroyed.

C. Matter is neither destroyed nor created.

D. Some matter is created.

True or False A single replacement reaction is a reaction in which one element replaces a similar element within a compound

Activity 3 Reading Review

What is the source of energy used to react chlorine with methane?

What is the role of the judicial branch? to interpret laws to write laws to execute laws to lead the military

Determine the pOH of each solution. 1. [H3O+] = 3.3*10-10 M Express your answer using two decimal places. 2. [H3O+] = 2.6*10-7 M Express your answer using two decimal places. 3. [H3O+] = 5.3*10-2 M Express your answer using two decimal places. 4.

What mass of potassium chlorate would contain 40grams of oxygen?

Identical forces act for the same length of time on two different masses. The change in momentum of the smaller mass is A) smaller than the change in momentum of the larger mass, but not zero. B) zero.

How many nuclei of 238 92 U 92 238 U remain in a rock if the activity registers 290 decays per second? (Note that the half life of Uranium-238 is 4.468x109 years)

A base can neutralize an acid. true or false

Hydrochloric acid (12.0 ml of 0.233 m) is added to 296.0 ml of 0.0579 m ba (oh) 2 solution. what is the concentration of the excess h + or oh - ions left in this solution?