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, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
Chemistry, 22.06.2019 08:20
What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5
Answers: 3
Chemistry, 22.06.2019 15:00
How is the shape of the poem “peer” connected to its meaning?
Answers: 2
A solution is prepared by dissolving 4.85 g of HCl into enough water to make 2.50 L of a solution...
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