Methanol can be produced thorough the reaction of CO and H2 in the presence of a catalyst. CO(g) + 2H2(g) —-> CH3OH(l) . If 74 g of CO reacts to produce 62 g of CH3OH, what is the perfect ye old of CH3OH? Answer in units of %.

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

Which substance can be broken down by chemical means