A gas ja that has a 3.0 x 1023 molecules of Hydrogen gas, H2 at rtp. What mass of hydrogen does it contain?​

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

Which characteristics can be used to differentiate star systems? check all that apply.

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)