Chemistry, 12.07.2019 14:00 jennnifercrd59jc
Which of the following substances has a standard heat of formation δh°f of zero? choose one or more: a. pb at 1000°c b. c3h8 (g) at 25.0°c and 1 atm pressure c. solid glucose at room temperature d. n2(g) at 25.0°c and 1 atm pressure
Answers: 1
Chemistry, 22.06.2019 09:20
Explain that newton first law,second law and third law of motion?
Answers: 2
Chemistry, 22.06.2019 12:10
Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 22.06.2019 13:30
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
Answers: 1
Chemistry, 22.06.2019 17:00
According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.
Answers: 2
Which of the following substances has a standard heat of formation δh°f of zero? choose one or mor...
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