What is an easy what to do chemical reacton add and simplifying terms like 2H2(g) + O2(g) → 2H2O(l) please help fast thanks

Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt