If a liquid is heated, which of the following happens to both its energy content and the speed of its particles?
the energy increases; the speed increases.
the energy remains the same; speed remains the same.
the energy remains the same; the speed increases.
the energy increases; the speed decreases.

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate, m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2