What is the area on the earth's surface directly above where an earthquake originates?

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

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?

Identify two types of chemical bonding in the source of dietary potassium