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3 years ago

White vitriol molecular formulaand green vitriol molecular formula??

Chemistry

1 answer:

IgorC [24]3 years ago

8 0

Answer:

Green vitriol- FeSO4·7H2O

white vitriol- ZnSO₄

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What are the two ways we can get the mass of an object?

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Explanation:

divide the objects weight by the acceleration of gravity to find the mass

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4 years ago

The balanced combustion reaction for C6H6 is 2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542 kJ If 8.600 g C6H6 is burned and the heat pr

jenyasd209 [6]

Answer : The final temperature of the water is, $22.5166^oC$

Explanation : Given,

Mass of benzene = 8.600 g

Molar mass of benzene = 78 g/mole

First we have to calculate the moles of benzene.

$\text{Moles of benzene}=\frac{\text{Mass of benzene}}{\text{Molar mass of benzene}}=\frac{8.600g}{78g/mol}=0.1103mole$

Now we have to calculate the energy of combustion.

The given balanced chemical reaction is:

$2C_6H_6(l)+15O_2(g)\rightarrow 12CO_2(g)+6H_2O(l)+6542 kJ$

According to reaction,

As, 2 moles of benzene gives 6542 kJ of energy on combustion.

So, 0.1103 mole of benzene gives $\frac{6542 kJ}{2}\times 0.1103=360.7913kJ$ of energy on combustion.

Now we have to calculate the final temperature of the water.

Formula used : $q_w=m_w\times c_w\times \Delta T=m_w\times c_w\times (T_{final}-T_{initial})$

where,

$q_w$ = heat released = 360.7913 kJ = 36079.13 J

$m_w$ = mass of water = 5691 g

$c_w$ = specific heat of water= $4.18J/g^oC$

$T_{final}$ = final temperature = ?

$T_{initial}$ = initial temperature = $21^oC$

Now put all the given values in the above formula, we get:

$36079.13J=5691g\times 4.18J/g^oC\times (T_{final}-21^oC)$

$T_{final}=22.5166^oC$

Therefore, the final temperature of the water is, $22.5166^oC$

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4 years ago

What type of bond allows heat and electricity to move freely throughout the material?

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That would be an ionic bond since it has electrons to spare, rather than a convalent bond where all the electrons are taken up thus it is not a good conductor

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3 years ago

which of these energy resources can produce the most amount of energy from the smallest amount of fuel? choices coal, uranium, p

nikitadnepr [17]

The answer should be Uranium. As tiny amounts of that (rods normally) can fuel a whole nuclear energy station for years.

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3 years ago

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Lunna [17]

A molecule of water is divided in this way: H + ends up in stoma O2 goes into atmosphere electrons go to ETC. In this way begins a division with a termination of all the resulting components of this molecule of water.

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3 years ago

White vitriol molecular formulaand green vitriol molecular formula??​

White vitriol molecular formulaand green vitriol molecular formula??