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REY [17]
3 years ago
11

What property of water makes it possible for water from the ground to travel all the way up to leaves in the tops of tall trees?

​
Chemistry
1 answer:
timurjin [86]3 years ago
7 0

Answer:

cohesion-tension

Explanation:

i did the quiz.

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If an endothermic reaction occurs in solution, the temperature of the solution will
Ahat [919]

Answer:

increase

Explanation:

because in endothermic reaction heat is absorbed

4 0
3 years ago
!!HELP PLS!! A compound sample contains 0.783g of C, 0.196 g of H, 0.521 g 0 and the molecular formula molar mass is 184.27g/mol
Delvig [45]

Answer:

First

divide each element by its Molecular Mass to get their respective moles

Then Divide through by the lowest of the moles

You'll have the ratio of Carbon Hydrogen and Oxygen to be

C2H3O

Given Molecular Mass=184.27

C2H3On=184.27

n(12x2 + 1x3 + 16) =184.27

Evaluating this... You'll have n=4.3

Pls check if you assigned the correct value to each element

4 0
3 years ago
Which of the following statements about Avogadro’s Law is false? a. One mole of He occupies 22.4 L at STP. b. At constant P and
Ronch [10]

Answer:

The correct answer to the question which  statements about Avogadro’s Law is false is

c. At constant T and P, doubling the moles of gas decreases the volume by half.

Explanation:

Avogadro's law describes the relationship between the volume of a mass of gas and the number of moles present. Avogadro's law states that at standard (or the same) temperature and pressure, equal volumes od all gases contain equal number of molecules

That is mathematically

\frac{V_{1} }{n_{1} }  =  \frac{V_{2} }{n_{2} }  where

V₁ = volume  of first sample

V₂ = volume  of second sample

n₁ = number of moles in first sample

n₂ = number of moles in second sample

6 0
3 years ago
Read the temperatures shown to the nearest 0.5°C.<br> I’ll mark you as brainlister
Ilya [14]

Answer:

The temperature to the nearest 0.5°C is 98.5°C

3 0
3 years ago
All molecules are made up of: <br> A)hydrogen <br> B)minerals <br> C)atoms <br> D)gas
masya89 [10]

answer c atoms

i think that is correct

4 0
3 years ago
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