Given the two half-cell reactions for copper and iron below
standard
electr...
Chemistry, 23.12.2019 10:31 stephanieyingepbtcf8
Given the two half-cell reactions for copper and iron below
standard
electrode potential (v)
cu →cu+2 +2e- -0.41
fe→ fe2+ 2e- 0.34
would you use a water pipe that consists of the two metals? justify your answer!
Answers: 1
Chemistry, 21.06.2019 22:30
Hot air balloons float in the air because of the difference in density between cold and hot air. in this problem, you will estimate the minimum temperature the gas inside the balloon needs to be, for it to take off. to do this, use the following variables and make these assumptions: the combined weight of the pilot basket together with that of the balloon fabric and other equipment is w. the volume of the hot air inside the balloon when it is inflated is v. the absolute temperature of the hot air at the bottom of the balloon is th (where th> tc). the absolute temperature of the cold air outside the balloon is tc and its density is ďc. the balloon is open at the bottom, so that the pressure inside and outside the balloon is the same. as always, treat air as an ideal gas. use g for the magnitude of the acceleration due to gravity.
Answers: 1
Chemistry, 22.06.2019 15:20
Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma
Answers: 1
Chemistry, 23.06.2019 05:00
110 g of water (specific heat = 4.184 j/g c) and 100 g of a metal sample (specific heat = 0.397 j/g c) are heated from 25 degrees c to 75 degrees c. which substance required more thermal energy?
Answers: 1
Chemistry, 23.06.2019 11:00
The image below shows a weather service map.. i’m not sure if is correct
Answers: 2
Mathematics, 30.01.2020 03:56
English, 30.01.2020 03:56
Mathematics, 30.01.2020 03:56
Mathematics, 30.01.2020 03:56
Mathematics, 30.01.2020 03:56
Mathematics, 30.01.2020 03:56
Mathematics, 30.01.2020 03:56
Social Studies, 30.01.2020 03:56
Mathematics, 30.01.2020 03:56
Biology, 30.01.2020 03:57
Mathematics, 30.01.2020 03:57
Mathematics, 30.01.2020 03:57