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algol [13]
3 years ago
14

Reading the temperature of a solution by using a thermometer is an example of a(n) ________.

Chemistry
1 answer:
weeeeeb [17]3 years ago
6 0

Answer:

i guess its example of observation

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evablogger [386]
For the answer to the question above, <span>The formula for freezing point depression is </span>
<span>ΔTf = mkfi </span>

<span>kf is the freezing point constant </span>
<span>i is the Van't Hoff factor which in this case is 1 </span>
<span>m is molality (moles of solute/kg of solvent) </span>
<span>ΔTf is temperature change </span>

<span>ΔTf is 2.17 °C, the molality is the amount of solute Quinine </span>
<span>in the solvent cyclohexane. We cannot calculate moles therefore we need to substitute moles with g/mm. </span>

<span>moles = g/mm so molality=(g/mm)/kg </span>
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<span>2.17 = 33.8/mm(20.8) rearrange </span>

<span>mm = (33.8/2.17)(20.8) = 324g/mol</span>
5 0
3 years ago
How many moles are in 100.0g of gold
Mars2501 [29]
0.50769... It is just the 100g divided by golds molar mass, which is 196.97
5 0
3 years ago
Describe the interactions of the nervous and muscular system. please write a paragraph and do not plagiarize If you need to cite
Ksenya-84 [330]

The systems within the body associate with each other to keep the organism in a healthy state. Though every system of the body exhibits particular functions, they all are dependent and inter-associated with each other. The nervous system controls various systems of the body.  

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The muscular system coordinates with the nervous system and does various functions. The receptors found in muscles instruct the brain with the information regarding the movement and position of the body. The brain monitors the contraction of skeletal muscle. The nervous system monitors the speed at which food passes through the digestive tract.  


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3 years ago
Study the diagram about the varying pressures of Earth’s Layers.
melomori [17]

Answer:

A) Outer core

Explanation:

just took the test

3 0
3 years ago
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Elements that do not have full outer electron shells will donate, share, or take from other atoms. Choose the items that have th
Gnesinka [82]

Answer:

Ok...

Answer: YTH/JYG

Explanation:

AI+ZN+H=YTH

7 0
3 years ago
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