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maxonik [38]
3 years ago
10

PLEASE HELP!!!! i give a lot of points

Chemistry
1 answer:
hammer [34]3 years ago
5 0
spdcowihdej 1
aodnwofrh 2
sixj3
dosprwpr3
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For heat transfer purposes, a standing man can be modeled as a 30-cm-diameter, 175-cm-long vertical cylinder with both the top a
tigry1 [53]

Answer:

Sgen = 0.0366 W/K

Explanation:

for the body:

∴ Q = - 336 W...rate of heat loss

∴ T surface = 35°C ≅ 308 K

the rate of entropy transfer from the body:

⇒ ΔS = - Q/Ts

for the enviroment:

⇒ ΔS = Q/Te

∴ assuming: T = Tenv = 25°C ≅ 298 K

resulting in a net variation in the universe:

⇒ Sgen = ΔS = Q/Tenviroment - Q/Tsurface = Q(Ts - Te)/Ts*Te

⇒ Sgen = (336( 308-298))/(308×298) = 3360 WK/91784 K² = 0.0366 W/K

3 0
3 years ago
The length of a sheet of U.S standard (letter size) paper is closest to: 8 centimeters 11 centimeters 29 centimeter 300 centimet
s2008m [1.1K]
US Letter is a paper size, which measures:
8.5 inches ( width ) by 11.0 inches ( length ).
8.5 inches = 21.59 cm
11.0 inches = 27.94 cm
The length ( 27.94 cm ) is closest to 29 cm.
Answer:
C ) 29 cm
6 0
3 years ago
Why are the offspring produced by sexual reproduction different than their parents?
Arada [10]

Answer:

Offspring inherit different amounts of DNA from both their parents?

Explanation:

3 0
4 years ago
For an atom’s electrons, how many energy sublevels are present in the principal energy level n = 4? 4 9 10 16 32
Ghella [55]
I believe the answer is 32.
Hope that helps.
8 0
3 years ago
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I give brainliest pls help
ExtremeBDS [4]

Answer:

A

Explanation:

Radiation can come from the Sun

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3 years ago
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