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Chemistry, 21.06.2019 16:20
Consider the two electron arrangements for neutral atoms a and b. are atoms a and b the same element? a - 1s2, 2s2, 2p6, 3s1 b - 1s2, 2s2, 2p6, 5s1
Answers: 3
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?
Answers: 2
Chemistry, 23.06.2019 10:00
State the effect on the concentration of the clo- ion when there is a decrease in the concentration of the oh- ion
Answers: 1
Chemistry, 23.06.2019 17:30
Describe the type of force which exists between particles in an ideal gas. explain why this type of force exists between the particles.
Answers: 3
What is the concentration of the base (naoh) in the following titration? 3.0 m 142.2 m 3.79 m 3.86...
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