Chemistry, 03.07.2019 12:30 lobatospitones
When a 3.80 g sample of magnesium nitride (mw 101g/mol) is reacted with 3.30 g of water, 3.60 g of mgo is formed. what is the percent yield of this reaction? mg3n2 + 3 h2o --> 2 nh3 + 3 mgo?
Answers: 1
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 17:30
In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
Answers: 2
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
Chemistry, 22.06.2019 20:00
In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:
Answers: 3
When a 3.80 g sample of magnesium nitride (mw 101g/mol) is reacted with 3.30 g of water, 3.60 g of m...
Mathematics, 21.09.2019 14:30
Mathematics, 21.09.2019 14:30
Geography, 21.09.2019 14:30
Biology, 21.09.2019 14:30
Mathematics, 21.09.2019 14:30
Physics, 21.09.2019 14:30
Computers and Technology, 21.09.2019 14:30