Engineering, 18.09.2021 09:00 jackiecroce1
Use the standard enthalpies of formation for the reactants and products to solve for the AHpa for the following reaction.
(The AH of Ca(OH)2 is -986.09 kJ/mol and liquid H2O is -285.8 kJ/mol.)
Ca(s) + 2H2O(l) + Ca(OH)2 (s) + H2(g)
AH = -414.4 kJ
The reaction is?
Answers: 1
Engineering, 03.07.2019 14:10
The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
Answers: 3
Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 18:10
Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10
Answers: 1
Engineering, 04.07.2019 18:10
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Use the standard enthalpies of formation for the reactants and products to solve for the AHpa for th...
History, 21.07.2019 15:50
Spanish, 21.07.2019 15:50
History, 21.07.2019 15:50
Mathematics, 21.07.2019 15:50
Spanish, 21.07.2019 15:50
Chemistry, 21.07.2019 15:50
Social Studies, 21.07.2019 15:50
English, 21.07.2019 16:00
Mathematics, 21.07.2019 16:00