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Vinil7 [7]
3 years ago
9

Which reaction below occurs spontaneously upon mixing the reagents shown?

Chemistry
1 answer:
den301095 [7]3 years ago
3 0
Co2 is correct buddy
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Iron has a density of 7.87 g/cm3. What is the volume in cm3 of 3.729 g of iron?
KIM [24]

If iron has a density of 7.87g/cm³ and a mass of 3.729g, then the volume of iron is 0.474cm³

HOW TO CALCULATE VOLUME:

  • The volume of a substance can be calculated by dividing the mass by its density. That is;

Volume (mL) = mass (g) ÷ density (g/mL)

  • The density of iron is given as 7.87g/cm³ while its mass is 3.729g of iron. Hence, the volume can be calculated as follows:

Volume = 3.729 ÷ 7.87

Volume = 0.474cm³

Therefore, the volume of iron is 0.474cm³

Learn more: brainly.com/question/2040396?referrer=searchResults

6 0
2 years ago
The chemical formula tells the types of atoms and how many of each are contained in a compound. Please select the best answer fr
kykrilka [37]
The anser should be false

7 0
3 years ago
Habitat ____________ splits ecosystems into pieces and makes populations more vulnerable to disturbances or climate change.
larisa [96]

<span>fragmentation that is the answer</span>
7 0
3 years ago
Read 2 more answers
What mass of copper is deposited when a current of 10.0a is passed through a solution of copper(ii) nitrate for 30.6 seconds?
asambeis [7]
Data Given:

Time = t = 30.6 s

Current = I = 10 A

Faradays Constant = F = 96500

Chemical equivalent = e = 63.54/2 = 31.77 g

Amount Deposited = W = ?

Solution:
             According to Faraday's Law,

                                          W  =  I t e / F

Putting Values,
 
                            W  =  (10 A × 30.6 s × 31.77 g) ÷ 96500

                            W  =  0.100 g

Result:
           0.100 g of Cu
²⁺ is deposited.
3 0
3 years ago
......................................
Alinara [238K]

Answer:

Explanation:

yes leon is correct because matter is anything that takes space and also has mass in it.

thks.

5 0
3 years ago
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