Chemistry, 10.03.2020 00:12 shelbycheyzelanko21
Caffeine is a: a. weak acid, with a pKa of ~8.0 b. weak acid, with a pKa of ~0.5 c. weak base, with a pKa of ~8.0 d. weak base, with a pKa of ~0.5
Answers: 2
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The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?
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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.
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How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.
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The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
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Caffeine is a: a. weak acid, with a pKa of ~8.0 b. weak acid, with a pKa of ~0.5 c. weak base, with...
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