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fredd [130]
2 years ago
6

Love You All..... Friends........

Chemistry
2 answers:
Lina20 [59]2 years ago
4 0

Answer:

Same to you <3

Explanation:

vivado [14]2 years ago
3 0

Answer:

You 2

Explanation:     <3 <3 <3

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Vikki [24]

2nd

Explanation:

because i guesses i guess so yeah trust your gut buddy

5 0
2 years ago
Enthalpy change depends on the rate at which a substance is heated or cooled true or false
Dahasolnce [82]
Enthalpy is a thermodynamic quantity that describes the heat content of a system, that can not be measured directly. That's why we measure change in enthaply, measured in the units joules. The statement that e<span>nthalpy change depends on the rate at which a substance is heated or cooled is false. Enthalpy change depends only on the following factors:
-</span><span>physical state of reactants and products
- quantity of reactants</span><span>
- allotropic modifications
- temperature and pressure</span><span>
</span>
6 0
3 years ago
Solve the 3 questions
Dmitrij [34]

Answer:

what kind of math is this

Explanation:

5 0
3 years ago
6 How many moles are in a 321 g sample of magnesium?
Tatiana [17]

Answer:

13.4mol of Mg

Explanation:

Given parameters:

Mass of magnesium = 321g

Unknown:

Number of moles  = ?

Solution:

The number of moles of a substance is given as;

  Number of moles  = \frac{mass}{molar mass}  

 Molar mass of Mg = 24g/mol

 Insert the parameters and solve;

        Number of moles  = \frac{321}{24}   = 13.4mol of Mg

3 0
2 years ago
How do we measure the mass of an extrasolar planet?
Degger [83]
To determine a planet's mass, astronomers typically measure the minuscule movement of the star caused by the gravitational tug of an orbiting planet. For planets the massof Earth detecting such a tiny tug is extraordinarily challenging with current technology
4 0
3 years ago
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