What is the mechanism for salicylaldehyde + Diethyl malonate --> Ethyl-3-coumarin carboxylate. Scopoletin, 6-methoxy-7-hydroxycoumarin, can be isolated from the bark of wild cherry trees. Show the reactants that you would use to synthese scopoletin

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 chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.