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3 years ago

List the three properties of a thermometer

Physics

1 answer:

Rashid [163]3 years ago

4 0

Answer:

Property Thermometer

Volume expansion of a gas Gas thermometer

Volume expansion of a liquid Laboratory or clinical thermometer

Volume expansion of a solid Bi-metallic strip thermometer

Pressure change of a fixed mass of gas Constant – volume gas thermometer

Changes in e.m.f. Thermocouple

Changes in electrical resistance Resistance thermometer or thermistor

Changes in wavelength Pyrometer

Changes in magnetic flux or sound energy Magnetic or sonic thermometer

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2 years ago

Derive a relation between Universal Gravitational Constant (G) and Acceleration due to gravity(g)?

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3 years ago

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3 years ago

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PLEASEE I NEED HELP FAST!!! .Study the scenario.A small container of water with a low temperature is poured into a large contain

RSB [31]

Answer:

that best describes the process is C

Explanation:

This problem is a calorimeter process where the heat given off by one body is equal to the heat absorbed by the other.

Heat absorbed by the smallest container

Q_c = m ce ( $T_{f}$ -T₀)

Heat released by the largest container is

Q_a = M ce (T_{i}-T_{f})

how

Q_c = Q_a

m (T_{f}-T₀) = M (T_{i} - T_{f})

Therefore, we see that the smaller container has less thermal energy and when placed in contact with the larger one, it absorbs part of the heat from it until the thermal energy of the two containers is the same.

Of the final statements, the one that best describes the process is C

since it talks about the thermal energy and the heat that is transferred in the process

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4 years ago

According to the law of conservation of matter, what number must be the same on each side of a chemical equation?

olga2289 [7]

Answer:

4. The number of atoms of each element

Explanation:

Why is 1 wrong?

The number of substances (i.e. number of mols of substances) do not have to be the same. For instance, 2 mol of water reacts with 1 mol of oxygen to form 2 mol of water. Obviously the numer of substances is not conserved. Thus, it isn't a requirement.

Why is 2 wrong?

The number of chemical symbols do not mean anything. They do not tell us anything about the quantity of matter, they only tell us about the elements that are involved in the reaction.

Why is 3 wrong?

Once again, the number of chemical formulas are meaningless.

Why is 4 correct?

The number of atoms are always conserved as atoms cannot be broken or created.

Possible confusion...

The number of atoms are always conserved but the number of molecules may not always be conserved.

Why? As 2 atoms may be a molecule on the reactant side and 4 atoms may become a molecule on the product size, causing the number of molecules to reduce by half, while the number of atoms remain constant.

Hope that makes sense!

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3 years ago

List the three properties of a thermometer​

List the three properties of a thermometer