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3 years ago

Which substance has the most thermal energy and will have the most heat flow from it?

Physics

2 answers:

Nata [24]3 years ago

6 0

Internal thermal energy will depends upon its temperature

so here the temperature range will be maximum 1000 degree C

so here maximum thermal energy is given by

<em>A Nuclear Reactor Core</em>

So here the maximum thermal energy and have the most heat flow is given by nuclear reactor core as it has maximum temperature

alisha [4.7K]3 years ago

5 0

Answer:

a nuclear reactor core (1000°C)

Explanation:

Thermal energy is the term used to describe the energy emitted by an object which atoms are moving at a certain rate due to the temperature, and or are rising its temperature, so thermal energy is closely related to the temperature of the objects, in this case the nuclear reactor core would be the one that has the most thermal energy since it has the highest temperature.

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A reversible Carnot engine has an efficiency of 30% and it operates between a heat source maintained at T 1 , and a refrigerator

bixtya [17]

To solve this problem we will apply the concepts related to the thermal efficiency given in an engine of the Carnot cycle. Here we know that efficiency is given under the equation

$\eta = 1 - \frac{T_2}{T_1}$

Where,

$T_2 =$ Temperature of Cold Body

$T_1 =$ Temperature of Hot Body

$\eta$ = Efficiency

According to the statement our values are:

$\eta = 0.3$

$T_2 = 210K$

Replacing we have that

$0.3 = 1- \frac{210}{T_1}$

$\frac{210}{T_1} = 0.7$

$T_1 = \frac{210}{0.7}$

$T_1 = 300K$

Therefore the temperature of the heat source is 300K

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3 years ago

Why is it important to include variety in your workouts

grigory [225]

Explanation:

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3 years ago

What is the build up of electrons on a surface

Minchanka [31]

Answer:

Static energy

Explanation:

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xenn [34]

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3 years ago

Read 2 more answers

Please help i'm going to throw up from stress

Eddi Din [679]

Answer:

Explanation:

First of all, I used the specific heat of water as 4182 J/(kgC) and the specific heat of ethyl alcohol (EtOH) as 2440 J/(kgC); that means that we need the masses in kg, not g.

120.g = .1200 kg of ethyl alcohol. Now for the formula:

$t_f=\frac{(m_{H2O}*spheat_{H2O}*temp_{H2O})+(m_{EtOH}*spheat_{EtOH}*temp_{EtOH})}{(m_{H2O}*spheat_{H2O})+(m_{EtOH}*spheat_{EtOH})}$ where spheat is specific heat.

Filling that horrifying-looking formula in with some values:

$16.0=\frac{(x*4182*20.0)+(.1200*2440*10.0)}{(x*4182)+(.1200*2440)}$ and

$16.0=\frac{83640x+2928}{4182x+292.8}$ and

16(4182x + 292.8) = 83640x + 2928 and

66912x + 4684.8 = 83640x + 2928 and

1756.8 = 16728x so

x = .105 kg and the amount of water added is 105 g

4 0

3 years ago