Chemistry, 15.06.2021 02:00, ttwright24
Abeje investigated the effect of surface area on the rate of reaction. She used a flat piece of zinc and a lump of zinc(of the same mass) in hydrochloric acid and carried out the reaction, collecting the gas over water in a measuring cylinder (A) What practical problems might Abeje have in obtaining her results, using this method of collecting the gas โ
Answers: 3
Chemistry, 22.06.2019 08:30, breannaking9734
Which part of earthโs surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains
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Chemistry, 22.06.2019 17:40, aaliyahthomas37
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
Abeje investigated the effect of surface area on the rate of reaction. She used a flat piece of zinc...
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