Chemistry, 24.07.2019 19:00 kemzzoo7206
Bromine, a liquid at room temperature, has a boiling point of 58°c and a melting point of -7.2°c. bromine can be classifies as a a) compound b)impure substance c)mixture d)pure substance
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Chemistry, 22.06.2019 18:10
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
Chemistry, 22.06.2019 23:00
What is the most common reason for matter changing its state?
Answers: 1
Bromine, a liquid at room temperature, has a boiling point of 58°c and a melting point of -7.2°c. br...
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