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Chemistry, 22.06.2019 05:30
Modern weaponry has increased the number of deaths in wars and violent conflicts.
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Chemistry, 22.06.2019 16:10
Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)
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Chemistry, 23.06.2019 07:10
1) a light bulb takes in 30 of energy per second. it transfers 3j as use energy. calculate the efficiency. second. it transfers 3j as useful light energy and 27j as heat energy. calculate the efficiency
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Chemistry, 23.06.2019 09:00
Which of the following are in a chemical family a. ca, sc, k b. cu, ag, au c. so, ge, sb
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Which two of earth's spheres interact when mountain glaciers melt due to hot lava released by a volc...
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