Physics, 25.07.2019 05:20 ishrael2001
If 46.1 g zn at 18.0 c is placed in 80.0 g h2o at 75.0 c, what is the final temperature of the mixture? the specific heat capacities of zinc and water are 0.388 j/g·k and 4.184 j/g·k, respectively
Answers: 1
Physics, 21.06.2019 19:30
Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.
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Physics, 22.06.2019 01:10
Asteam power plant operates on an ideal reheat rankine cycle between the pressure limits of 15 mpa and 10 kpa. the mass flow rate of steam through the cycle is 12 kg/s. steam enters both stages of the turbine at 500°c. if the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 10 percent, determine (a) the pressure at which reheating takes place, (b) the total rate of heat input in the boiler, and (c) the thermal efficiency of the cycle. also, show the cycle on a t-s diagram with respect to the saturation lines. (2.15 mpa; 45.0 mw; 42.6%)
Answers: 3
Physics, 22.06.2019 17:30
Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=
Answers: 2
Physics, 22.06.2019 19:50
State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory
Answers: 1
If 46.1 g zn at 18.0 c is placed in 80.0 g h2o at 75.0 c, what is the final temperature of the mixtu...
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