Identify the mole ratios in the following equations: 1. CaBra2 + Na= NaBr + Ca
2. 2H20 (I)=H2(g) + O2(9)

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?

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide