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erik [133]
3 years ago
9

Glass has a specific heat of 0.16 calories/gram°C.

Chemistry
2 answers:
Alborosie3 years ago
8 0

The answer is D-3.2. Hope this helps and have an amazing day. :)

Dima020 [189]3 years ago
7 0
Thank you for posting your question here at brainly. 

<span>Calories heat added = Mass of glass times temp. increase times specific heat of glass 
</span>
<span>calories (small calories) = l.0 g x 20 degrees x .16 calories/gm/degree C = 3.2 calories</span>
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Explanation:

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3 0
3 years ago
How hydrogen gas help to make vegetable ghee​
vladimir1956 [14]

Answer:

The vegetable oils are liquid at room temperature. They contain double bonds. During hydrogenation double bonds break hydrogen is introduced and form vegetable ghee.

Explanation:

Hydrogenation:

It is the chemical process in which hydrogen is introduced in unsaturated hydrocarbons in the presence of catalyst Ni.

Simple hydrogenation reaction:

H₂C = CH₂ + H₂    →     CH₃-CH₃

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Hydrogenation is used on industrial level in  the production of vegetable ghee.

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4 0
3 years ago
How many acetone molecules are in a bottle of acetone with a volume of 445 mL ? (density of acetone = 0.788 g/cm3).
Mkey [24]
<h2>Hello!</h2>

The answer is: 3.63x10^{24}particles

<h2>Why?</h2>

First, we need to calculate the molecular weight of the acetone (CH3COCH3)

So,

C=12.011g/mol\\O=15.99g/mol\\H=1.008g/mol

Then,

CH3COCH3=12.011+(1.008)*3+12.011+15.999+12.011+(1.008)*3=58.08g/mol

Second, we need to calculate the mass of the acetone in the bottle

We need to remember that 1cm^{3}=1mL

So,

445cm^{3}*\frac{0.788g}{cm^{3}}=350.66g

Third, we need to calculate the number of moles:

350.66g*\frac{1mol}{58.08g}=6.03moles

Fourth, we need to calculate the number of atoms:

Remember, 1 mol=6.022x10^{23}particles

Therefore,

6.03moles*\frac{6.022x10^{23}particles }{1mol}=3.63x10^{24}particles

Have a nice day!

4 0
4 years ago
Read 2 more answers
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Explanation:

5 0
2 years ago
You have 4 litres of a 3.0 mol/L solution of NaCl in a chemical store room.
ahrayia [7]

Answer:

12

Explanation:

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3 0
3 years ago
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