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anzhelika [568]
3 years ago
7

Not gonna lie.....I need help with this my guy.

Chemistry
1 answer:
ElenaW [278]3 years ago
5 0
Sex cellllllllll lollllll
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What is the volume of an object with the mass of 7.9 grams in the density of 2.28g/ml.
Schach [20]

Answer:

3.7mL is the volume of the object

Explanation:

To convert the mass of any object to volume we must use density that is defined as the ratio between mass of the object and the space that is occupying. For an object that weighs 7.9g and the density is 2.28g/mL, the volume is:

7.9g * (1mL / 2.28mL) =

<h3>3.7mL is the volume of the object</h3>
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2 years ago
A hot cup of water has fewer molecules than a hot tub of water. This same cup of
Mrac [35]

Answer:eeded to change the temperature of one gram of a substance one degree ... iron(specific heat=0.12 cal/g C) and a cup of water both have the same temperature. ... If you drop a hot rock into a pail of water,the temperature of the rock and the water ... Therefore, water molecules have higher specific heat capacity than metals

Explanation:

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Which of the following is an example of convection?
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Answer:

<h3>C. hot air rising and cooler air failing. </h3>

Explanation:

<h3>Please mark my answer as a brainliest. That is the correct answer. ❤❤❤❤</h3>
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2 years ago
how many moles of sodium are present in a sample of sodium having a mass of 137 g? (molar mass is 23.0g)
vivado [14]

Answer:

5.95 moles

Explanation:

No of moles = given mass / molar mass

No of moles = 137/23

= 5.95 moles

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3 years ago
Write a balanced molecular equation describing each of the following chemical reactions.
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