Chemistry, 06.07.2019 15:00 anyone9122
Scientists put a few drops of dilute hydrochloric acid on a lab table. for safety purposes, the scientist because some baking soda on to the spill. which observation would provide the best evidence that chemical reaction occurred? f. the baking soda in hydrochloric acid combined, and bubbles formed. g. the baking soda absorb the hydrochloric acid. h. some of the baking soda dissolved in the acid j. the hydrochloric acid evaporated, leaving only the baking soda
Answers: 1
Chemistry, 21.06.2019 17:10, lindseyklewis1p56uvi
A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?
Answers: 1
Chemistry, 22.06.2019 19:00, nayashuntel
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.
Answers: 1
Chemistry, 22.06.2019 19:00, innocentman69
How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
Answers: 1
Scientists put a few drops of dilute hydrochloric acid on a lab table. for safety purposes, the scie...
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