Which of the following statements is correct concerning the reaction 2 A + B → 2 C + 2 D? 1. The reaction is second-order overall

2. The reaction is third order overall

3. The rate is equal to k[A]²[B]

4. The rate is equal to k[A][B]

5. It cannot be determined given this information

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?

How have the greenhouse gasses increased from the year 2000 to 2018