Read the video transcript from Dr. X and the Quest for Food Safety. What does Dr. X say is the best way to avoid cross contamination? O prevent the rapid growth of all bacteria O learn the twelve most unwanted bacteria O wash away bacteria with hot, soapy water O study bacteria under an electron microscope

Which of the following might a chemist choose to study? a. glacier movement in alaska b. better ways to recycle plastics c. the effects of hurricanes on turtle populations d. the vibrations in bridges caused by big trucks

14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?