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3 years ago

If a liter of water is cooled from 50 to 30 what happens to its volume

2 answers:

7 0

In general when you heat up a liquid such as water its volume "increases" as the heat energy causes the water molecules to move leading to more space between molecules causing it to occupy a larger volume.

hope that helps

Dafna11 [192]3 years ago

5 0

It will expande because its getting colder

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List or draw two ways to visually represent C6H14

KonstantinChe [14]

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3 years ago

what is it called when a scientists personal opinion affects the way experimental results are reported?

Monica [59]

I believe the word that you are looking for is "subjective"

-to be influenced by personal opinion or feeling-

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3 years ago

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Why would a biological stain be used? (Give examples of stains and their uses)

Allushta [10]

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Biological stains are used for the medical and biological industries to aid in detection of structures within tissues. This can include the detection of abnormalities, but is not limited to that. The stains are used to define and examine cell populations within the tissues, to mark cells, or to flag proteins.

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1 year ago

The danger from radon gas would most likely be greatest in:.

Semmy [17]

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<h3>What is radon gas?</h3>

Radon is a naturally radioactive gas generated from different elements such as uranium or radium.

Radon is generated when these radioactive materials naturally decompose in the soils and/or rocks.

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Learn more about the radon gas here:

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2 years ago

Determine how many atoms of pure silver will be created when 19.83 x 1023 atoms of copper are used in the following reaction:

Lubov Fominskaja [6]

Answer:

$\boxed{3.966 \times 10^{24}\text{ atoms of Ag}}$

Explanation:

(a) Balanced equation

Cu + 2AgNO₃ ⟶ Cu(NO₃)₂+ 2Ag

(b) Calculation

You want to convert atoms of Cu to atoms of Ag.

The atomic ratio is ratio is 2 atoms Ag:1 atom Cu

$\text{Atoms of Ag} = 19.83 \times 10^{23}\text{atoms Cu} \times \dfrac{\text{2 atoms Ag}}{\text{1 atom Cu}}\\\\= 3.966 \times 10^{24}\text{ atoms of Ag}\\\\\text{The reaction will produce }\boxed{\mathbf{3.966 \times 10^{24}}\textbf{ atoms of Ag}}$

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2 years ago

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