Engineering, 23.04.2021 16:20 rocky8875

The atomic weights of C and H are 12 and 1, respectively. The chemical formula of polyethylene is (C2H4)n. The number average mean molecular weight of polyethylene with a degree of polymerization of 12,000 is:. a. 120,000.
b. 336,000.
c. 280,000.
d. 296,000.

Answers: 3

Show answers

Other questions on the subject: Engineering

Engineering, 04.07.2019 18:20, rjone8429

Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency

Answers: 1

continue

Engineering, 05.07.2019 23:20, neisha2507

Which one of the following faults cause the coffee in a brewer to keep boiling after the brewing cycle is finished? a. an open circuit in the heating element b. a short circuit at the terminals c. welded contacts on the thermostat d. a leak around the gasket

Answers: 3

continue

Engineering, 06.07.2019 03:10, brookealexis5768

Oxygen at 300 kpa and 400 k is in a closed system with an initial volume of 0.1 m3. is now compressed in a polytropic process, with exponent of n 1.2, to a temperature of 500 k. calculate: a) the boundary work done during the compression, in kj b) the heat transfer during the compression, in kj

Answers: 3

continue

Engineering, 06.07.2019 03:20, crazylife77

What is the strain energy stored in a solid uniformly circular shaft of length 3.0 m and diameter 120 mm when subject to pure torsion if the maximum shear stress is 40 mpa? g-80gpa

Answers: 1

continue

You know the right answer?

The atomic weights of C and H are 12 and 1, respectively. The chemical formula of polyethylene is (C...