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trapecia [35]
2 years ago
13

What is a trade-off? Don't mind the highlighted yellow circle

Chemistry
1 answer:
kirill [66]2 years ago
5 0

Answer:

a new scientific discovery that benefits the environment

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The environment needs to what for natural selection to occur
allsm [11]

Answer:

i know 3, reproduction, organisms, and variations in traits

Explanation:

5 0
3 years ago
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A sample of water at 20 degrees c contains what bonds
vladimir2022 [97]
Covalent and hydrogen bonds

3 0
3 years ago
When 33.3 grams of propane (C​3​H​8​) undergoes combustion, what is the theoretical yield of water in grams? The molar mass of p
aev [14]
C3H8+ 5 O2 --> 3 CO2 + 4 H2O
44 g. --------> 72 g
33.3 g. --------> x
x =  \frac{33.3 \times 72}{44} \\ x = 54.5 \: g
Answer: The theoretical yield of H2O is 54.5
3 0
3 years ago
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When swimmers get out of the pool and sit in the sun, their wet skin dries quickly. What happens to the water?
I am Lyosha [343]

Answer:

It evaporates and moves into the air.

Explanation:

When water is left out for a while, it evaporates into the air! :)

7 0
2 years ago
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How many molecules are there in 2.30g of NH3
Vinil7 [7]

Answer:

8.13x10^22 molecules

Explanation:

We can use the Avogadro's number(6.022 x 10^23 units / mole)

2.30 g NH3 (1 mol / 17.03 g ) (6.022 x 10^23 molecules / 1 mol ) = 8.13x10^22 molecules

Hope this helps! Feel free to ask any questions!

6 0
3 years ago
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