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ELEN [110]
2 years ago
6

What is the name of a device used to measure the transfer of heat from one object to another? barometer calorimeter heatometer s

cale
Physics
2 answers:
noname [10]2 years ago
4 0
The answer is "Calorimeter"
Solnce55 [7]2 years ago
4 0

Answer: Option (b) is the correct answer.

Explanation:

A device that helps in measuring the amount of heat involved in a chemical reaction is known as a calorimeter.

Calorimeter helps in measuring the heat given off or absorbed during a chemical reaction, physical change as well as heat capacity.

A barometer is defined as a device used to measure the atmospheric pressure for forecasting of weather or determining altitude.

Therefore, we can conclude that the name of a device used to measure the transfer of heat from one object to another is calorimeter.

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wlad13 [49]
One simple use of the elements of the electromagnetic spectrum that we use during our everyday lives is our daily use of microwave radiation. microwave radiation is absorbed by water molecules which heats up and cooks the food whilst killing bacteria. Another would be ultraviolet radiation which we use daily in things such as light bulbs. The sun also uses this. Lastly, we use radio waves constantly. May it be tv programs, radio, or our cell phones.
4 0
3 years ago
A battery with an emf of 24.0 V is connected to a resistive load. If the terminal voltage of the battery is 16.1 V and the curre
lions [1.4K]

Answer:

2.03 Ω

Explanation:

EMF: This can be defined as the potential difference of a cell when it is not delivering any current. The S.I unit of Emf is Volt.

The formula of emf is given as,

E = I(R+r)............................ Equation 1

Where E = Emf, I = current, R = External resistance, r = internal resistance.

Make r the subject of the equation

r = (E-IR)/I........................ Equation 2

Note: From ohm's law, V = IR.

r = (E-V)/I........................ Equation 3

Where V = Terminal voltage

Given: E = 24 V, I = 3.9 A, V = 16.1 V.

Substitute into equation 3

r = (24-16.1)/3.9

r = 7.9/3.9

r = 2.03 Ω

6 0
2 years ago
A U-shaped tube open to the air at both ends contains some mercury. A quantity of water is carefully poured into the left arm of
Gekata [30.6K]

Answer:

a) P=2450\ Pa

b) \delta h=23.162\ cm

Explanation:

Given:

height of water in one arm of the u-tube, h_w=25\ cm=0.25\ m

a)

Gauge pressure at the water-mercury interface,:

P=\rho_w.g.h_w

we've the density of the water =1000\ kg.m^{-3}

P=1000\times 9.8\times 0.25

P=2450\ Pa

b)

Now the same pressure is balanced by the mercury column in the other arm of the tube:

\rho_w.g.h_w=\rho_m.g.h_m

1000\times 9.8\times 0.25=13600\times 9.8\times h_m

h_m=0.01838\ m=1.838\ cm

<u>Now the difference in the column is :</u>

\delta h=h_w-h_m

\delta h=25-1.838

\delta h=23.162\ cm

7 0
3 years ago
What are the seven types of electromagnetic waves?
Sunny_sXe [5.5K]
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Visible light. ...
Ultraviolet light. ...
X rays. ...
Gamma rays.
5 0
3 years ago
If heat is gained from a source, it is __________ from the source.
Strike441 [17]

Answer:

Derived, or expended

4 0
2 years ago
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