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Orlov [11]
3 years ago
13

Coal and Diamond are two different form of carbon. which is denser?​

Chemistry
2 answers:
GalinKa [24]3 years ago
7 0

Answer:

diamond is denser because it is more tightly packed than coal

Ivenika [448]3 years ago
6 0

Answer:

Diamond

Explanation:

A diamond have a density of 3.51 g

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NISA [10]

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4 0
3 years ago
What is the mass of 0.257 mol of calcium nitrate?
poizon [28]

Answer: 42.14 g

Explanation:      calcium nitrate -  Ca(NO_{3} )_{2}

                   , the molar mass of calcium nitrate = 164 g

<h3>                   formula used = given mass/molar mass= no of moles </h3>

                   mass required =0.257*164

                                               =42.14 g

                     

             

4 0
1 year ago
Considering the temperature vs. time graph below, how does the temperature at the beginning of a change of state
Cloud [144]

Answer:

The temperature is always lower.

Explanation:

The temperature is always lower at the end of the state as compared to beginning of the state. We can see in the given data, the temperature is higher at the beginning i. e. 140 degree Celsius but with the passage of time, the temperature of a state decreases constantly  and the temperature at the end is lower i. e. 20 degree Celsius. So we can conclude that the temperature is always lower.

6 0
3 years ago
Read 2 more answers
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Elza [17]

Answer:[co2][CF4]

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Explanation:

4 0
3 years ago
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What does solubility mean?
jasenka [17]

Answer: the ability to be dissolved, especially in water.

Explanation: I think the answer you've picked is right

Hope this helps

8 0
3 years ago
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