At stp, how many molecules of nitrogen gas are in 22.4 l?
a. 6.022 × 10^22
b. 6.022 × 10^23
c. 6.022 × 10^24
d. 6.022 × 10^25

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space