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Karo-lina-s [1.5K]
3 years ago
11

Create an outline to organize your presentation. Write the outline for your presentation in the space provided. You can organize

your presentation any way you think is best. Following these guidelines for writing a five-paragraph essay is a good idea. Be sure to include an introduction and a works cited page at the end. Remember, you’re just structuring a 10- to 15-slide presentation now. You’re not creating your presentation yet.
Chemistry
1 answer:
Alex Ar [27]3 years ago
5 0

Answer:

explain on which topic we have to write and organize an essay ?

Explanation:

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a balloon is filled with 3.60 L of H2 gas at STP. If the balloon is taken into the sea where the pressure is 2.50 atm and the te
kherson [118]

The new volume of the hydrogen gas in the balloon is 1.5 L.

<u>Explanation:</u>

At STP, Temperature, T1 is 0° C = 0 + 273 K = 273 K

Pressure, P1 = 1 atm

Here given volume, V1 = 3.60 L

Balloon at sea,

Pressure, P2 = 2.5 atm

Temperature, T2 = 10° C = 10 + 273 = 283 K

Volume, V2 = ?

Here, we have to use the equation,

$\frac{P1V1}{T1} = \frac{P2V2}{T2}

We have to rearrange the equation to get V2 as,

$V2 = \frac{P1V1T2}{T1P2}

Now plugin the values as,

V2 = $\frac{1 atm \times 3.6 L \times 283 K}{273 K \times 2.5}

   = 1.5 L

So the new volume of the hydrogen gas is 1.5 L.

7 0
3 years ago
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_____ is the pigment that gives plants their green color.
FromTheMoon [43]
Chlorophyll is the answer
8 0
3 years ago
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Describe the green house effect
eimsori [14]

Answer:

The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without this atmosphere. Radiatively active gases in a planet's atmosphere radiate energy in all directions.

7 0
3 years ago
Which of the following words means "the degree to which a measurement is precise and reliable"?
Vikki [24]
B, because that’s the simplified definition of accuracy
7 0
3 years ago
What products result from mixing aqueous solutions of Cr(NO3)2(aq) and NaOH(aq)? Question 10 options: Cr(OH)2(s), Na+(aq), and N
Alecsey [184]

Answer:

Cr(OH)2(s), Na+(aq), and NO3−(aq)

Explanation:

Let is consider the molecular equation;

2NaOH(aq) + Cr(NO3)2(aq) -----> 2NaNO3(aq) + Cr(OH)2(s)

This is a double displacement or double replacement reaction. The reacting species exchange their partners. We can see here that both the sodium ion and chromium II ion both exchanged partners and picked up each others partners in the product.

Sodium ions and nitrate ions now remain in the solution while chromium II hydroxide which is insoluble is precipitated out of the solution as a solid hence the answer.

4 0
4 years ago
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