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GalinKa [24]
3 years ago
9

GIVING BRAINLIEST!! HELP ASAP!!

Chemistry
1 answer:
melomori [17]3 years ago
6 0

In a closed system, as energy is transformed, it is neither lost nor created. Rather, energy is conserved. Is the force that one surface exerts on another surface when two surfaces rub against each other. When parts of a moving system encounter friction, some of the kinetic energy is transformed into thermal energy.

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When using the scientific method which step comes last
MA_775_DIABLO [31]

Answer:

proposing a hypothesis.

Explanation: Therefore the last step in the scientific method is proposing a hypothesis or obtaining a conclusion.

6 0
2 years ago
How many moles of glucose can be produced
Arturiano [62]

Answer:

moles of glucose

<u>2.3166 moles of glucose</u>

<u></u>

Explanation:

The balance reaction for the formation of glucose is :

6CO_{2}+6H_{2}O\rightarrow C_{6}H_{12}O_{6}+6O_{2}

here , CO2 = carbon dioxide

H2O = water

C6H12O6 = glucose

O2 = Oxygen

According to this equation :

6 mole of CO2 = 6 mole of H2O = 1 mole of C6H12O6 = 6 mole of O2

We are asked to calculate the mole of Glucose from carbon dioxide.

So,

6 mole of CO2  produce = 1 mole of C6H12O6

1 mole of CO2 will produce =

\frac{1}{6} moles of glucose

13.9 moles of CO2 will produce :

\frac{1}{6}\times 13.9

=2.3166 moles of glucose

Note : first , Always calculate for one mole (By dividing)

. After this , multiply the answer with the moles given.

Always write the substance whose amount is asked(glucose) to the right hand side

5 0
3 years ago
Look at the diagram. What number needs to be added to balance the equation?
suter [353]

Answer:

2

Explanation:

because hydrogen is a diatomic element, so it can't be just H

4 0
2 years ago
Before we can analyze the alum crystal it is
dusya [7]

Answer: TRUE

Explanation:

3 0
3 years ago
Show how to carry out the transformation of benzene to chlorobenzene by going through a diazonium intermediate.
steposvetlana [31]
Following steps are involved in this reaction,
Nitration: Nitration of benzene yield nitrobenzene.
Reduction: Reduction of Nitrobenzene yield Aniline.
Diazotization: Diazonium alt of benzene is formed from aniline.
At last diazonium salt is reacted with CuCl to yield chlorobenzene.

5 0
2 years ago
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