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torisob [31]
3 years ago
12

What is the difference b/w thermodynamic cycle and mechanical cycle

Chemistry
1 answer:
const2013 [10]3 years ago
4 0
In a mechanical cycle, mechanical energy (mostly the the rotation) is used to get the desired result. The form of energy remains the same. 
<span>In a thermodynamic cycle heat is converted to mechanical energy. That is to say there is conversion of energy.</span>
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2 Al + 3 H2SO4 --&gt; Al2(SO4)3 + 3 H2 If you have 7.6 moles of Al, then how many moles of H2SO4 will be needed to react complet
Lelechka [254]

Answer:

11.4 moles of H₂SO₄ are needed to completely react the 7.6 moles of Al

Explanation:

The equation indicates that 2 moles of aluminum react to 3 moles of sulfuric acid in order to produce 1 mol of aluminum sulfate and 3 moles of hydrogen gas.

The reaction is:  2Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3H₂

This question can be solved with an easy rule of three. Ratio in the reaciton is 2:3, so we propose:

2 moles of Al react with 3 moles of sulfuric acid

Then, 7.6 moles of Al will react with 11.4 moles of H₂SO₄

3 0
3 years ago
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Flura [38]

Answer:

The government :) lol

Explanation:

4 0
3 years ago
You have 28.5 g of iron shot that has a volume of 3.60 mL. From this information, calculate the density of iron.
laila [671]

Answer:

\boxed {\boxed {\sf \rho \approx 7.917 \ g/mL}}

Explanation

Density can be found by dividing the mass by the volume.

\rho=\frac{m}{v}

We know the iron sheet has a mass of 28.5 grams and the volume is 3.60 milliliters.

m= 28.5 \ g \\d= 3.60 \ mL

Substitute the values into the formula.

\rho=\frac{28.5 \ g}{ 3.60 \ mL}

Divide.

\rho = 7.91666667 \ g/mL

Let's round to the nearest thousandth.

The 6 in the ten-thousandth tells us to round the 6 to a 7.

\rho \approx 7.917 \ g/mL

The density of iron is about <u>7.917 grams per milliliter.</u>

8 0
3 years ago
Which is the first news paper of Nepal​
Airida [17]

Answer:

Nepal Bhasa Patrika

Explanation:

Nepal Bhasa Patrika

3 0
3 years ago
43 milliliters of water weighs 43 g. what is the density of the water?
Anastaziya [24]

Answer:

\rho =1g/mL

Explanation:

Hello,

In this case, since the density is defined as the ratio between the mass and the volume as shown below:

\rho =\frac{m}{V}

We can compute the density of water for the given 43 g that occupy the volume of 43 mL:

\rho =\frac{43g}{43mL}=1g/mL

Regards.

4 0
3 years ago
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