The concentration of calcium in a cell is 3%. the concentration of calcium in the surrounding fluid is 1%. how could the cell obtain more calcium?

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?

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

The arrangement of particles is most ordered in a sample of