For the reaction 2 Nas) + 2 H2O(1) > 2 NaOH(aq) + H2(g) how many molecules of hydrogen gas will be produced when 55.8 grams of sodium react
with an excess of water?

pls help

Helium decays to form lithium. which equation correctly describes this decay?

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius