What will the new pressure be if the temperature is reduced to 200 K from a pressure of 0.950 atm and temperature of 21 oC? A.0.424 atm
B.0.546 atm
C.0.646 atm
D.0.726 atm

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 4.20 mol fe and 6.70 mol nio(oh) react?