#8. For the following chemical reaction, how many grams of carbon (C) are required to produce 195 grams of methane (CH.)?
C + H2 → CHE

Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Is laundry detergent an acid or a base?