Phản ứng phân huỷdimetylete có bậc là 1).k(H)k(CO)k(CH)k(O)CH(2423++→Cho biết áp suất ban đầu của ete là 300 mmHg, sau 10s áp suất tăng lên 308,1 mmHg. Hỏi sau bao lâu áp suất tăng đến 600 mmHg.

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.

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?