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Afina-wow [57]
2 years ago
5

HELP ME PLEASE!!!!!!!!

Chemistry
2 answers:
Licemer1 [7]2 years ago
8 0

The correct answer is “Radiation.”

poizon [28]2 years ago
5 0

Answer: Covection

Explanation:

Q = heat transfer rate

h = convection heat-transfer coefficient

A = exposed surface area

\Delta T = temperature difference

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What element is found in liver and is needed to prevent anemia or tired blood.
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An alcohol thermometer makes use of alcohol's changing in order to measure temperature. As the temperature goes up.
kotegsom [21]

The question is incomplete, the complete question is;

An alcohol thermometer makes use of alcohol's changing _______ in order to measure temperature. As the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

A.

mass

B.

state

C.

chemical composition

D.

density

Answer:

D.

density

Explanation:

Every kind of thermometer makes use of a change in a particular physical property of a substance as a measure of temperature. It must be a property that changes with temperature.

Density of a substance changes with temperature. Even though the mass of alcohol in glass remains constant, but its volume increases or decreases with change in temperature leading to a change in volume and consequently a change in density of the alcohol in glass. This change is used as a measure of the change in temperature.

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