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Anna11 [10]
3 years ago
7

What tool would you need discover whether a mineral has fracture?

Chemistry
1 answer:
maria [59]3 years ago
5 0

Answer:

D

Explanation:

We in same class

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How many atoms of each element are in the chemical formula NH4NO2?
Alika [10]
5 nitrogen, 1 hydrogen, and 1 oxygen I think
3 0
3 years ago
Box 1
Alex73 [517]

10g

Explanation:

Box 1, Mass of A = 10g

Box 2, Mass of B = 5g

Box 3, = 1A + 1B

Unknown:

Mass of B that would combine with mass of 20g of A

Solution:

   Mass ratio of A to B:

   \frac{mass of A}{mass of B} = mass ratio

           \frac{10}{5} = mass ratio

        The mass ratio of A to B = 2: 1

Now, number of B that will combine with 20g of A;

       

           \frac{mass of A}{mass of B} = mass ratio

               \frac{20}{mass of B} = \frac{2}{1}

                     Mass of B = 10g

10g of B would combine with 20g of A

learn more:

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7 0
3 years ago
Read 2 more answers
How many elements had been discovered by 1860
UkoKoshka [18]

60 elements! I don't exactly know every element known, so if you are asking that, please tell us, but what I do know is that there were 60 elements in the periodic table by 1860.

5 0
3 years ago
__is a term that refers to the amount of space that a substance or an object takes up
Anni [7]
Volume perhaps ?

Hope this helps !
3 0
3 years ago
Zinc has a specific heat capacity of 0.390 J/goC. What is its molar heat capacity? Enter your answer numerically to three signif
ch4aika [34]

Answer:

The answer to your questions is  Cm = 25.5 J/mol°C  

Explanation:

Data

Heat capacity = 0.390 J/g°C

Molar heat capacity = ?

Process

1.- Look for the atomic number of Zinc

     Z = 65.4 g/mol

2.- Convert heat capacity to molar heat capacity

       (0.390 J/g°C)(65.4 g/mol)

- Simplify and result

   Cm = 25.5 J/mol°C  

3 0
3 years ago
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