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andriy [413]
3 years ago
14

What is conjugate solution​

Chemistry
1 answer:
mars1129 [50]3 years ago
5 0

Answer:

Explanation: A mixture of two partially miscible liquids

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When 0.5141 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.823 °C to 29.419 °C
natka813 [3]

Answer:

\Delta_{r}U of the reaction is -6313 kJ/mol

\Delta_{r}H of the reaction is -6312 kJ/mol

Explanation:

Temperature\,\,change= \Delta U = 29.419-25.823 =3.506^{o}C

q_{cal}= C \times \Delta T

=5.861 \times 3.596 = 21.076\,kJ

q_{rxn}= -q_{cal}= -21.076\,kJ

\Delta_{r}U= -21.076 \times \frac{154}{0.5141}= -6313\, kJ/mol

Therefore, \Delta_{r}U of the reaction is -6313 kJ/mol.

The chemical reaction in bomb calorimeter  is as follows.

C_{12}H_{10}(s)+\frac{27}{2}O_{2}(g)\rightarrow 12CO_{2}(g)+5H_{2}O(g)

Number\,of\,moles\Delta n=(12+5)-\frac{27}{2}=3.5

\Delta_{r}H=\Delta E+ \Delta n. RT

=-6313+3.5\times 8.314\times 10^{-3} \times 3.596=-6312\,kJ/mol

Therefore, \Delta_{r}H of the reaction is -6312 kJ/mol.

3 0
3 years ago
Help please will give brainliest
blagie [28]

Explanation:

three things that you would notice a chemical reaction is the change of color and change in odor and the change in temperature

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3 years ago
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What is the instantaneous rate of formation of product C given the following information: a. Stoichiometric equation A+ B2C+ D b
quester [9]

Answer:

1.728 mol /(L*min)

Explanation:

Hello,

In the attached photo, you'll find the numerical procedure for your question.

- Take into account that the negative sign is eligible for reagents and positive for products.

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How do earth systems interact in the phosphorus cycle?​
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Which of the following states that no more than two electrons can occupy an atomic orbital and that two electrons in the same or
Oksanka [162]
The correct answer is D. The statement that no more than two electrons can occupy an atomic orbital and that two electrons in the same orbital must have opposite spins is from the Pauli Exclusion Principle. If one is in the +1/2 up-spin the other should be in the -1/2 down-spin. From this principle, no two electrons can have the same quantum numbers. 
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