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alexira [117]
2 years ago
6

Choose the three statements that represent a long-term impact of the 1996 summer olympic games in atlanta.

SAT
1 answer:
Mariulka [41]2 years ago
8 0

Answer: 1.People around Atlanta began to move back into the city.    2.Billions of dollars in city and state revenue were generated. 3.Tens of thousands of new hotels rooms were built throughout the state.

Explanation:

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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}

Learn more about entropy here:

brainly.com/question/6364271

6 0
2 years ago
Jennifer just received the results of her SAT exam. Her SAT Mathematics score of 600 is in the 78th percentile. What does this m
Olenka [21]

Answer:

Jennifer just received the results of her SAT exam.

Her SAT Mathematics score of 600 is in the 78th percentile.

It means there is 78% of test-takers has score equal or less than hers (or 22% of test-takers has score greater than hers)

Hope this helps!

:)

5 0
3 years ago
Express $8\sqrt{18}$ in the form $a\sqrt b$, where $a$ and $b$ are integers and $b$ is as small as possible.
AnnyKZ [126]

8 √18 = 8 √(9 × 2)

= 8 √(3² × 2)

= 8 √(3²) √2

= (8 × 3) √2

= 24 √2

3 0
2 years ago
when iron rusts and forms iron oxide, the iron oxide has more mass than the iron. which statement correctly explains this observ
GarryVolchara [31]

The reason why iron oxide has more mass than the iron is because Iron oxide has oxygen atoms, and pure iron does not.

When iron rusts and forms iron oxide, the iron oxide has more mass than the iron. Which statement correctly explains this

observation?

(A)Iron oxide has oxygen atoms, and pure iron does not.

(B)The oxygen atoms in iron oxide have more mass than the iron atoms in pure iron.

(C)The iron atoms in iron oxide have more mass than pure iron.

(D)There are more iron atoms in iron oxide than in pure iron.

When a chemical reaction takes place, other atoms are combined with pure elements to form compounds. This addition of another atom (oxygen) after reaction makes iron oxide formed heavier than pure iron.

Iron oxide is a chemical substance formed when pure iron rusts. The formation of iron oxide is a chemical reaction.

Hence, the correct answer to the question is;  the iron is heavier  because Iron oxide has oxygen atoms, and pure iron does not.

Learn more: brainly.com/question/6284546

8 0
2 years ago
Which expression represents 10 times the sum of a number and 4?
son4ous [18]
(2+1)10=30 is the answer DIDNT solve searched
5 0
2 years ago
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