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3 years ago

At what temperature is the substance a heated gas ?

Chemistry

2 answers:

Alinara [238K]3 years ago

6 0

Answer: Option (c) is the correct answer.

Explanation:

Temperature at below zero degrees represent that the substance is in solid state.

Temperature at zero degree celsius represents that substance starts to melt.

Whereas temperature at 100 degree celsius represents that the substance is changing from liquid to gas.

On the other hand, temperature above 100 degree celsius represents that the liquid has completely converted into gas.

Thus, we can conclude that above $100^{o}C$ temperature is the substance a heated gas.

Scrat [10]3 years ago

4 0

Probably, above 100 Degree Celsius.

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Answer:

Calculate the mass of BR -79? Bromine has 2 naturally occurring isotopes (Br-79 and Br-81) and has an atomic mass of 79.904 amu

Explanation:

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2 years ago

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3 years ago

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A motor cyclist starts from rest and reaches a speed of 6m/s after travelling with uniform acceleration for 3s. What is his acce

choli [55]

Answer:

2m/s²

Explanation:

When an object starts or at its state of rest it has an Initial speed U = 0

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2 years ago

Thallium has two stable isotopes, 203tl and 205tl. knowing that the atomic weight of thallium is 204.4, which isotope is the mor

Elza [17]

You have to figure out a way to write the two unknown abundances in terms of one variable.

The total abundance is 1 (or 100%). So if you say the abundance for the first one is X then the abundance for the second one has to be 1-X (where X is the decimal of the percentage so say 0.8 for 80%).

203(X) + 205(1-X) = 204.4

Then you just solve for X to get the percentage for TI-203.
And then solve for 1-X to get the percentage for TI-205.

After that the higher percentage would be the most abundant.

203x + 205 - 205x = 204.4
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x = 0.3
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2 years ago

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olga_2 [115]

Answer:

Decomposers (either Secondary Consumer or Tertiary Consumer)

Explanation:

Decomposers eat dead materials and break them down into chemical parts. ... They keep the ecosystem free of the bodies of dead animals or carrion. They break down the organic material and recycle it into the ecosystem as nutrients. Vultures, Blowflies, hyenas, crabs, lobsters and eels are examples of scavengers.

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3 years ago