Chemistry, 27.08.2019 15:30 JakerGamer
What material is very strong and tough but shows very little elongation as it asorbs energy?
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Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge
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Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
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Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
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Chemistry, 22.06.2019 09:20
Explain that newton first law,second law and third law of motion?
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What material is very strong and tough but shows very little elongation as it asorbs energy?...
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