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dmitriy555 [2]
3 years ago
13

What is the Basis of chemistry

Chemistry
1 answer:
Kipish [7]3 years ago
6 0

Answer: In chemistry, there are three definitions in common use of the word base, known as Arrhenius bases, Brønsted bases and Lewis bases. All definitions agree that bases are substances which react with acids as originally proposed by G.-F. Rouelle in the mid-18th century.

Explanation:

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Using Gibbs Equation, dU=TdS-pdV show that (dS/dV) at a constant U =P/T. The reciprocal of (dS/dU)v = 1/T.
Troyanec [42]

Explanation:

dU=TdS-pdV (given)

To prove = 1) (\frac{dS}{dV})_U=\frac{P}{T} (at constant U)

2) (\frac{dS}{dU})_v=\frac{1}{T} (at constant V)

Solution: 1)

dU=TdS-PdV

PdV=TdS-dU

P=\frac{(TdS)}{dV}-\frac{dU}{dV}

Derivative of constant is zero.

Given that internal energy is ,U = constant

P=T\frac{dS}{dV}-0

\frac{dS)}{dV}=\frac{P}{T} (hence proved)

Solution: 2)

dU=TdS-PdV

Differentiating with respect to dU, we get:

(\frac{dU}{dU})_v=T(\frac{dS}{dU})_v-P(\frac{dV}{dU})_v

Derivative of constant is zero.

Given that volume is constant , V= constant

1=T(\frac{dS}{dU})_v

(\frac{dS}{dU})_v=\frac{1}{T} (hence proved)

5 0
4 years ago
Identify one disadvantage to each of the following models of electron configuration:
Murrr4er [49]

Answer:

The disadvantages of each of the given model of electron configuration have been mentioned below:

1). Dot Structures - They take up excess space as they do not display the electron distribution in orbitals.

2). Arrow and line diagrams make the counting of electrons and take up too much space.

3). Written Configurations do not display the electron distribution in orbitals and help in lose counting of electrons easily.

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3 years ago
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pav-90 [236]

Answer:

The difference between saturated and unsaturated fat lies in the number of double bonds in the fatty acid chain. ... Saturated fats tend to be solid at room temperature and from animal sources, while unsaturated fats are usually liquid and from plant sources

Explanation:

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3 years ago
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In a chemical reaction, a certain amount of hydrochloric acid reacts with 10 grams of sodium hydroxide to produce 19 grams of a
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D, T<span>he total mass of hydrochloric acid used is less than 10 grams.

Conservation of mass, matter cannot be created or destroyed.</span>
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3 years ago
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