PLS HELP ITS REALLY HARD TO DO
...
Answers: 2
Another question on Chemistry
Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
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
You know the right answer?
Questions
Mathematics, 12.12.2019 13:31
Computers and Technology, 12.12.2019 13:31
Mathematics, 12.12.2019 13:31
History, 12.12.2019 13:31
Spanish, 12.12.2019 13:31
Physics, 12.12.2019 13:31
