If you needed to dilute 18M hydrochloric acid for use in a lab needing 500 mL of 3 M HCl, how much of the highly concentrated HCl would you have to add to the water? How much water would you need to pour in first?

How is the solubility of a carbon dioxide gas in water increase?

Give a real-world example of an energy transformation that uses two of the following forms of energy: chemical, mechanical, nuclear, gravitational, radiant, electrical, thermal (heat), and/or sound.

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?