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Marysya12 [62]
3 years ago
10

A theater director reinterprets a play by replacing its classical score with

Chemistry
2 answers:
cricket20 [7]3 years ago
4 0

Answer:

The play will be more  appealing to a younger audience.

Explanation:

A younger audience will more likely appreciate current pop hits rather than classical score.

Sunny_sXe [5.5K]3 years ago
4 0

Answer:

B. The play will be more appealing to a younger audience.

Explanation:

If the audience is younger, then this would be more appealing to them because pop has always been one of the fan-favorties of younger generations

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A student mixes chemicals A and B together and records the amount of time it takes for a color change to occur. The student repe
k0ka [10]

Answer:

It is mentioned that the student is mixing chemicals A and B and observes the time taken for the color to change. However, in the experiment, it is noticed that the student has repeated the procedure five times and each time he or she is modifying the concentration of chemical B. Thus, it is clear that the concentration of chemical B is the independent variable in the experiment. An independent variable is illustrated as the variable, which is controlled or modified in the experiment.

8 0
3 years ago
How many grams of zinc sulfide are used to produce 1.28 grams of zinc oxide?
Lostsunrise [7]

Answer:

0.012288122055459

Explanation:

i might be wrong

6 0
2 years ago
Which of the following did your answer include?
IgorC [24]

Answer:

check all 4

Explanation:

3 0
3 years ago
The vapor pressure of ethanol is 400. mmhg at 63.5°c. its molar heat of vaporization is 39.3 kj/mol. what is the vapor pressure
Vilka [71]

Answer: -

100 mm Hg

Explanation: -

P 1 =400 mm Hg

T 1 = 63.5 C + 273 = 336.5 K

T 2 = 34.9 C + 273 = 307.9 K

ΔHvap = 39.3 KJ/mol = 39.3 x 10³ J mol⁻¹

R = 8.314 J ⁻¹K mol⁻¹

Now using the Clausius Clapeyron equation

ln (P1 / P2) = ΔHvap / R x (1 / T2 - 1 / T1)

Plugging in the values

ln (400 mm/ P₂) = (39.3 x 10³ J mol⁻¹ / 8.314 J ⁻¹K mol⁻¹) x (\frac{1}{307.9 K} - \frac{1}{336.5 K}

= 1.38

P₂ = 100 mm Hg

6 0
3 years ago
Which compound decreases in solubility as the temperature of the solution is increased from 10c to 50c
Marysya12 [62]

Answer:

<u><em></em></u>

  • <u><em>2)NH</em></u><em><u>₃</u></em>

Explanation:

The answer choices of this question are:

  • 1)NH₄Cl
  • 2)NH₃
  • 3)NaNO₃
  • 4)NaCl
<h2 /><h2>Solution</h2>

The key to answer this question is to realize that <em>NH₃</em> is a gas at the given temperatures.

The solutilibty of all gases always decreases when the temperature increases. Thus, the solubility of NH₃ will decrease when the temperature rises from 10ºC to 50ºC.

The reason for this behavior of gases is that the temperature and the kinetic energy of the particles are directly proportional. Thus, as the temperature incrases the kinetic energy of the particles increases.

As the kinetic energy of the molecules of gas in the liquid solution increases, their speeds also increase, meaning that more molecules will escape from the solution to the gas phase, leaving the soluton with less dissolved gas molecules.

5 0
3 years ago
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