Chemistry, 30.06.2019 04:30 kayleewoodard
Given the following reaction: h2so4 + 2lioh --> li2so4 + 2h2o what mass of water is produced from 19 g of sulfuric acid? question options: 1.0 7.0 2.0 6.3
Answers: 1
Chemistry, 21.06.2019 17:00
Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects
Answers: 2
Chemistry, 21.06.2019 20:30
Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other
Answers: 2
Chemistry, 22.06.2019 15:00
Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude
Answers: 2
Chemistry, 22.06.2019 17:00
Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease
Answers: 1
Given the following reaction: h2so4 + 2lioh --> li2so4 + 2h2o what mass of water is produced fr...
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