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Chemistry, 05.11.2020 02:40, paigefields2578
1. In order to muffle sounds in a room, people will often put soft materials on the walls or floor, such as carpet or fabric wall hangings. Explain why these materials help make a room seem less noisy using the concepts of reflection, transmission, and absorption.
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Chemistry, 22.06.2019 06:00, girly37
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?
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1. In order to muffle sounds in a room, people will often put soft materials on the walls or floor,...
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