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frez [133]
3 years ago
10

What is the most important role that water plays for living organisms?

Chemistry
2 answers:
Flauer [41]3 years ago
8 0

Answer:

A. All organisms need water as energy source

coldgirl [10]3 years ago
3 0
A. Because if the organisms didn’t have water as an energy source they wouldn’t be able to thrive
You might be interested in
How does a scientist form a hypothesis?
MrMuchimi

Explanation: <em>The hypothesis is a prediction, but it involves more than a guess. Most of the time, the hypothesis begins with a question which is then explored through background research. It is only at this point that researchers begin to develop a testable hypothesis.</em>

(Unless you are creating an exploratory study, your hypothesis should always explain what you expect to happen)

8 0
3 years ago
Can i get some help? :D
astraxan [27]
The attraction between tow oppositely charged atoms or groups of atoms are an ionic bond

ANSWER______Ionic
3 0
3 years ago
Read 2 more answers
Is a gold necklace a element, compound, or a mixture
Akimi4 [234]

Answer:

It would be an element my dear.

--------------------------------------------------------------------------------------------

Pure gold is an element. That is, it is not a combination of other materials. However, gold used in jewelry is usually a “mixture”, called an alloy mixed with other metals to harden it, to change the color as in copper makes the pink or rose gold that is currently enjoying great polarity.

3 0
3 years ago
Consider again the reaction for photosynthesis:
sveticcg [70]

Mass of water required = 64.42 g

<h3>Further explanation</h3>

Given

Reaction

6CO2 + 6H2O → C6H12O6 + 6O2

157.35 g CO2

Required

mass of water

Solution

mol CO₂ = mass : MW CO₂

mol CO₂ = 157.35 g : 44.01 g/mol

mol CO₂ = 3.575

From the equation, mol ratio CO₂ : H₂O = 6 : 6, so mol H₂O = mol CO₂=3.575

Mass H₂O = mol x MW H₂O

mass H₂O = 3.575 x 18.02

mass H₂O = 64.42 g

5 0
2 years ago
Read 2 more answers
PLEASE HELP!! ORGANIC CHEMISTRY
Gennadij [26K]

Answer:

(a) 157.7 g

(b) 7.04 g/dm³

Explanation:

(a) From the question,

According to Avogadro's Law,

1 mole of every gas at STP occupies a volume of 22.4 dm³

But mass of 1 mole of the diatomic gas  = molar mass of the gas.

This Implies that,

The molar mass of the gas at STP occupies a volume of 22.4 dm³

From the question,

If,

0.25 L bottle contain 1.76 g of the gas,

Therefore,

Molar mass of the gas = (1.76×22.4)/0.25

Molar mass of the gas = 157.7 g.

(b) Density of the gas = mass/volume

D = m/v

Given: m = 1.76 g, v = 0.25 L = 0.25 dm³

Therefore,

D = 1.76/0,25

D = 7.04 g/dm³

3 0
3 years ago
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