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Flura [38]
3 years ago
8

PLEASE HELP ME!!!! Brainiest to the first person to get it right

Chemistry
2 answers:
Nastasia [14]3 years ago
5 0

<em>A: Endoplasmic Reticulum, Chloroplasts </em>

Hoped this helped have a nice day

Nat2105 [25]3 years ago
4 0

D, chloroplast, large central vacuole

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What is the isolated system?
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Answer:

in physical science, an isolated system is either of the following:

1. a physical system so far removed from other systems that it does not interact with them.

2. a thermodynamic system enclosed by rigid immovable walls through which neither mass nor energy can pass.

Explanation:

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The decomposition reaction of CO2(g) to produce carbon and oxygen gas consumes 462 kJ of energy. The energy levels of the produc
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higher, left

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Given that the reaction consumes 462 kJ of energy. It means that the reaction is a endothermic reaction.

In the energy profile of the endothermic diagrams, The reactants are at a very low level as compared to the products and hence, energy is supplied to overcome this difference.

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What 3 atoms make up the universe
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According to the following reaction, how much energy is evolved during the reaction of 32.5 g B2H6 with excess Cl2? The molar ma
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1640 kJ are involved in the reaction

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In the reaction:

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<em>1 mol of B₂H₆(g) with 6 moles of Cl₂(g) produce 1396 kJ of energy.</em>

<em />

Now if 32.5g of B₂H₆(g) react with excess Cl₂(g), moles involved in reaction are:

32.5g B_2H_6\frac{1mol}{27.67g} = 1.175 moles

If 1 mol produce 1396kJ of energy, 1.175 moles produce:

1.175mol\frac{1396kJ}{1mol} = 1640kJ\\

Thus, <em>1640 kJ are involved in the reaction</em>

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