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bazaltina [42]
3 years ago
5

Balancing Redox Reactions VO2++MnO4 V(OH)4++Mn2+(acidic)

Chemistry
1 answer:
Natasha_Volkova [10]3 years ago
3 0

Answer:

MnO4- + 5 VO +2 + 11 H2O = 5 V(OH)4+ + Mn+2 + 2 H+

Explanation:

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A solution of CuSO4 is labelled 0.01 M. How much CuSO4 in grams, must be used to make 1 liter of solution?
Mkey [24]

Correct answer: C) 1.6 g

Molarity is the moles of solute present per liter solution.

The given molarity of the solution is 0.01 M.

Volume of the solution = 1 L

Calculating the moles from molarity and volume:

Moles of CuSO_{4} = 0.01 \frac{mol}{L} * 1 L = 0.01 mol CuSO_{4}

Converting moles to mass of copper sulfate:

0.01 mol CuSO_{4} * \frac{159.61 g CuSO_{4}}{1 mol CuSO_{4}} = 1.6 g CuSO_{4}



4 0
3 years ago
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The chemical formula for a emerald is BeAl2(SiO3)6.<br> An emerald can be described as
grin007 [14]

Emerald  can be described as a transparent, green coloured gem stone made up of mineral beryl together with trace amount of chromium or sometimes vanadium having chemical formula as Be_3Al_2(SiO_3)_6 .

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What is the significant of Emerald ?</h3>

Through time, the emerald has been known as a symbol of truth and love.

In ancient Greece and Rome, emerald was said to be the gemstone of the goddess Venus, purveyor of love and hope.

On the other side of the world, emeralds were revered by the Incas and believed by the Egyptians to be a source of eternal life.

Learn more about Gem stones here ;
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6 0
2 years ago
Consider the balanced chemical equation that follows. You are asked to determine how many moles of water you can form from 4 mol
kodGreya [7K]

<u>Answer:</u> The correct answer is 4molH_2\times \frac{2molH_2O}{2molH_2}=4 molH_2O

<u>Explanation:</u>

We are given:

Moles of hydrogen gas = 4 moles

As, oxygen is given in excess. Thus, is considered as an excess reagent and hydrogen is considered as a limiting reagent because it limits the formation of products.

For the given chemical equation:

2H_2(g)+O_2(g)\rightarrow 2H_2O(l)

By Stoichiometry of the reaction:

2 moles of hydrogen produces 2 moles of water molecule.

So, 4 moles of hydrogen will produce = \frac{2molH_2O}{2molH_2}\times 4molH_2=4mol of water.

Hence, the correct answer is 4molH_2\times \frac{2molH_2O}{2molH_2}=4 molH_2O

6 0
3 years ago
How do you get from mass to moles in this problem?
Zinaida [17]

Answer:

what problem?

8 0
4 years ago
Aliyah marks a line on her driveway with a piece of chalk and another line 50ft away Then she stands with both feet at the line
Mariulka [41]

Answer:

Speed

Explanation:

Aliyah must have been trying to find her speed.

The speed is a measure of how fast an object or a body is and it is calculated by finding the ratio of distance with time. Mathematically,

  speed = \frac{distance}{time} with a unit of m/s.

<em>Hence, with the distance measured on the ground and Aliyah trying to find the time it will take her to cover the distance while running, she must have been trying to find how fast she can run, that is, speed. </em>

3 0
3 years ago
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