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3 years ago

What is the mass in grams of 4.91 moles of ammonium sulfate?

Chemistry

2 answers:

Montano1993 [528]3 years ago

4 0

1 mole is equal to 1 moles Ammonium Sulfate, or 132.13952 grams

Strike441 [17]3 years ago

4 0

Answer:

648.12g

Explanation:

First, we need to find the molar mass of ammonium sulphate (NH4)2SO4. This can be achieved by:

Molar Mass of (NH4)2SO4 = 2(14+4)+32+(4x16) = 132g/mol

Mass of (NH4)2SO4 = 4.91x132 = 648.12g

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What is the difference between nuclear fusion and nuclear fission?

True [87]

Answer:

[Fusion: Nuclei Fuse together and release energy] [Fission: Pressure and energy is released. This release of energy, is what causes the unstable atom to split to an isotope. I hope this helps!]

[isotopes can split too. At least some.]

Explanation:

Imagine you are trying to push something heavy, fusion is how you can join together and help each other to push this heavy material.

Fun fact! Heavier materials have more inertia against other forces acting on them.

You push harder, harder and harder! Until its pushed.

This will release a lot of energy which escalates to an extended length.

It might not be the finest example, it helped me to understand the basics.

Fission. Imagine having so much energy, in this case, try thinking of so many people in a tight space. What do you do? You will eventually start to escape and leave the room. This is the act of splitting the atom.

This won't be the same than how it was before.

Again, Energy is released (energy!!).

For anyone struggling with this, although it might not be the best idea, I would recommend researching the more advaced options for this topic.

This will give you a wide range of information which can develop your current knowledge about, "Nuclear Fission and Fusion."

It will be difficult, it definitely was for me when I was a child (starting to study science).

Just keep trying, you'll get it.

4 0

3 years ago

How many moles of KOH are required to produce 4.79 g K3PO4 according to the following reaction? 3KOH + H3PO4 -----> K3PO4 + 3

8_murik_8 [283]

Answer:

0.677 moles

Explanation:

Take the atomic mass of K = 39.1, O =16.0, P = 31.0

no. of moles = mass / molar mass

no. of moles of K3PO4 used = 4.79 / (39.1x3 + 31 + 16x4)

= 0.02256 mol

From the equation, the mole ratio of KOH : K3PO4 = 3 :1,

meaning every 3 moles of KOH used, produces 1 mole of K3PO4.

So, using this ratio, let the no. of moles of KOH required to be y.

$\frac{3}{1} =\frac{y}{0.02256} \\$

y = 0.02256 x3

y = 0.0677 mol

If you don't find exactly 0.677 moles as one of the options, go for the closest one. A very slight error may occur because of taking different significant figures of atomic masses when calculating.

5 0

3 years ago

There are many positive and negative aspects associated with nuclear power. What is a positive aspect associated with nuclear po

Keith_Richards [23]

Answer: A)There is a high ratio of energy to cost

Positives:

A Chunk of Uranium can power a city a lot longer than a chunk of coal.
It also does not contribute to pollution since what comes out of the tower is steam.

Negatives:

It is very expensive to build and maintain a nuclear power plant at first so investors whom want money up front are more reluctant to loan money for one.

If the plant does melt down it is very bad for the enviroment and its people, for example Chernobyl Nuclear Power Plant in the Ukraine will not be able to be lived in for approximently 20,000 years.

5 0

3 years ago

Read 2 more answers

15g divided by 15ML plllssss what is it!! Need to know

natulia [17]

Answer:

The answer should be 1000 kg / m3

8 0

3 years ago

What is the percent composition of Phosphorus in Li3PO3

Vilka [71]

Answer:

you will get 17.983 g of lithium for every 100 g of lithium phosphate.

Explanation:

5 0

3 years ago