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Vadim26 [7]
2 years ago
5

Advantage of series combination of cell​

SAT
1 answer:
umka21 [38]2 years ago
3 0

Explanation:

<h3 /><h3>Advantages of series combination:</h3>

  • Cells connected in series give a greater resultant voltage than individual cells.

  • Voltage increases if the number of cells increases.

  • Series circuits do not overheat easily.

Hope it helpz~

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Find δs o for the combustion of methane to carbon dioxide and liquid water.
mote1985 [20]

The entropy change ΔS for the combustion of methane to carbon dioxide and liquid water is -242.6 J/mol.K

<h3>What is the Entropy in a Chemical system?</h3>

In a chemical system, Entropy (ΔS) is a quantitative measure of the variety of possible ways to disperse energy inside a chemical system.

  • In an isothermal process, entropy is determined as the quantity of heat transmitted to a system.

The chemical reaction for the combustion of methane can be expressed as:

\mathbf{CH_{4(g)} + 2O_{2(g)} \to CO_{2(g)} + 2H_2O_{(l)}}

The standard entropy of the combustion is expressed as:

\mathbf{\Delta S^0 =(S^0 _{CO_{2}} + 2 \times S^0 _{H_{2}O} )+(-S^0 _{CH_{4}}  -2 \times S^0 _{O_{2}} })

Replacing the standard entropies of the compounds into the above equation, we have:

\mathbf{\Delta S^0 =(213.8 \8 \ J/mol.K + 2 \times69.92 \ J/mol.K  )+(-186.16 \ J/mol.K -2 \times 205.04 \ J/mol.K})

\mathbf{\Delta S^0 =-242.6 \ J/mol.K}

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6 0
2 years ago
A water tap fills a tank within 4 hours, at the bottom of the tank
dimaraw [331]

Answer:

90 mins i think. Sorry if wrong im not sure

Explanation:

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Which of the following is not a primary concern when it comes to business customers making purchasing decisions
AlekseyPX

The option that is not a primary concern when it comes to business customers making purchasing decisions is satisfaction of needs through purchases.

<h3>What are some of the concerns of business customers in making purchase decisions?</h3>

When a person is said to be making purchasing decisions, business customers often considers:

  • The price
  • Product quality
  • The service
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Hence The option that is not a primary concern when it comes to business customers making purchasing decisions is satisfaction of needs through purchases because that is not their scope of duty.

See full question below

Which of the following is NOT a way that business and consumer markets differ?

A) market structure and demand

B) nature of the buying unit

C) satisfaction of needs through purchases

D) types of decisions

E) decision processe

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In a closed system a reversible chemical reaction will reach a state of dynamic chemical when the rate of the forward reaction i
vitfil [10]

In a closed system a reversible chemical reaction will reach a state of dynamic chemical equilibrium   when the rate of the forward reaction is to be in or equal to the rate of the reverse reaction.

<h3>What occurs if a reaction reaches dynamic equilibrium in a closed system?</h3>

A closed chemical system is said to attain dynamic equilibrium if the rate of the forward reaction is said to have equals the rate of the backward reaction and also the level of concentrations of products and reactants are said to be the same.

Hence, In a closed system a reversible chemical reaction will reach a state of dynamic chemical equilibrium   when the rate of the forward reaction is to be in or equal to the rate of the reverse reaction.

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John wants to buy a new computer, but he does not have the money available
mihalych1998 [28]

Answer:c

Explanation:

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