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3 years ago

What part of the water cycle involves the leaves of plants

Chemistry

1 answer:

zvonat [6]3 years ago

5 0

Answer: The answer to this question is transpiration.

Explanation: I know this answer because i looked it up in a book. The other explanation is I study about this a lot.

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How much heat does your body lose when 6.35 g of sweat evaporates from your skin at 25 ∘C ? (Assume that the sweat is only water

ziro4ka [17]

Answer:

15.52 kj

Explanation:

H2 O mole wt ~ 18 gm

6.35 gm is 6.35 gm /18 gm/mole = .353 moles of H2O

.353 moles * 44 kj/mole =

5 0

2 years ago

A mixture of nitrogen gas and oxygen gas has a total pressure of l.13 atm. If the partial pressure of oxygen is 0.43 atm, what i

Vladimir [108]

C
0.70

I hope this is help, I’m so so sorry if I’m incorrect

8 0

3 years ago

Read 2 more answers

Trying to explain why a cactus needs little water to survive is an example of

zmey [24]

It’s a or b i think it’s b

6 0

3 years ago

Rocks and sand are nonliving .all organisms are

solong [7]

Hey there!

Rocks and sand are nonliving. All organisms are living.
Living organisms have five characteristics. Living organisms respond to a stimulus, need energy, grow, reproduce, and get rid of wastes. All living organisms consist of cells.

Hope this helps! Have a Brainly day! :D

5 0

3 years ago

Which of the following represents the least number of molecues?

Mars2501 [29]

Answer:

Answer: a) 20g of H2O (18.02 g/mol) molecules=6.68x10^23

Explanation:

In order to find the amount of molecules of each of the options, we need to follow the following equation.

$molecules=\frac{mass(g)x6.022x10^{23}(molecules/mol) }{atomic weight(g/mol)}$

So, let´s get the number of molecules for each of the options.

$a) molecules=\frac{20(g)x6.022x10^{23}(molecules/mol) }{18.02(g/mol)}=6.68x10^{23}molecules$

$b) molecules=\frac{77(g)x6.022x10^{23}(molecules/mol) }{16.06(g/mol)}=2.89x10^{24}molecules$

$c) molecules=\frac{68(g)x6.022x10^{23}(molecules/mol) }{42.09(g/mol)}=9.73x10^{23}molecules$

$d) molecules=\frac{100(g)x6.022x10^{23}(molecules/mol) }{44.02(g/mol)}=1.37x10^{24}molecules$

$d) molecules=\frac{84(g)x6.022x10^{23}(molecules/mol) }{20.01(g/mol)}=2.53x10^{24}molecules$

the smalest number is in option a)

Best of luck.

7 0

3 years ago