What type of element is helium in the periodic table?

How can we find the mass of a liquid in a container

How many nanometers are in 4.5x10^3 cm?

If the solution process is endothermic, then an increase in temperature usually results in: an increase in solubility a decrease in solubility no change in the solubility a slower reaction

How many pair lone and unpair in electron in nitrogen, carbon and oxygen

When you squeeze an air-filled ball, why is that it returns to its original position when you let go?

What is the main difference between a longitudinal wave and a transverse wave?

How many moles of methane (CH4) are in 7.31*10/25 molecules

What starting matirials do cells need for cellular respiration

What is the velocity of a wave with a frequency of 77 Hz and a wavelength of 200 m?

For the reaction: n2 (g) + 3h2 (g) ⇔ 2nh3 (g), at a particular temperature, the concentrations of n2, h2 and nh3 are 2.1 x 10-3 m, 3.2 x 10-2 m, and 1.8 x 10-1 m, respectively. calculate a value of k for this reaction