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vredina [299]
3 years ago
13

What is the total number of atoms represented in the formula CuSO4*5H2O

Chemistry
1 answer:
Alenkinab [10]3 years ago
4 0
There are 21 atoms represented in the formula :) hope this helped.
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At 25°C and constant pressure, carbon monoxide gas combines with oxygen gas to give carbon dioxide gas with the evolution of 10.
stealth61 [152]

Answer : The value of \Delta H for the reaction is, -565.6 kJ

Explanation :

First we have to calculate the molar mass of CO.

Molar mass CO = Atomic mass of C + Atomic mass of O  = 12 + 16 = 28 g/mole

Now we have to calculate the moles of CO.

\text{Moles of }CO=\frac{\text{Mass of }CO}{\text{Molar mass of }CO}=\frac{1g}{28g/mole}=\frac{1}{28}mole

Now we have to calculate the value of \Delta H for the reaction.

The balanced equation will be,

2CO(g)+O_2(g)\rightarrow 2CO_2(g)

From the balanced chemical reaction we conclude that,

As, \frac{1}{28}mole of CO release heat = 10.1 kJ

So, 2 mole of CO release heat = 2\times 28\times 10.1=565.6kJ

Therefore, the value of \Delta H for the reaction is, -565.6 kJ (The negative sign indicates the amount of energy is released)

4 0
3 years ago
Which of the following is a way to replace toxic cleaning products at home?
MrRissso [65]

Answer:

I think the answer to the question is number 2 "make your own non-toxic cleaning products using common kitchen ingredients"

4 0
3 years ago
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Definition of matter​
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Any thing that occupied volume and mass in air is known as matter

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The nonvolatile, nonelectrolyte TNT (trinitrotoluene), C7H5N3O6 (227.1 g/mol), is soluble in benzene C6H6. How many grams of TNT
Alexeev081 [22]

Answer:

Explanation:

formula of osmotic pressure is as follows

p= n RT

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If m be the grams of solute needed

m gram = m / 227.1 moles

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n = m / (227.1 x .279 )

= m / 63.36

substituting the values in the osmotic pressure formula

5.14 = (m / 63.36)  x .082 x 298

m / 63.36 = .21

m = 13.32 grams .

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Why are the atoms of the group 8 elements unreactive??​
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Answer:

because that is the last group the ones before it are more reactive im sorry if this not what you were looking for.

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3 years ago
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