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Dafna11 [192]
3 years ago
14

Why are enzymes important to cells? They help bring about chemical reactions. They provide structural support. They form the two

layers of membranes. They store large quantities of energy.
Chemistry
2 answers:
julsineya [31]3 years ago
8 0

Answer:They act as a catalyst and help bring about chemical reactions.

Explanation:

topjm [15]3 years ago
4 0
They help bring about chemical reactions. This is because enzymes act as catalysts, lowering the activation energy required for a chemical reaction to initiate. It is in this way that they bring about chemical reactions.
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What is the major water features of the tundra biome
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The two major water features of the tundra biome are nitrogen and phosphorus. Do you understand now?
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3 years ago
What volume will 145 g of butane occupy at 745 torr and 35 ∘c?
Margaret [11]

First let us compute for the number of moles of butane (molar mass = 58.12 g/mol)

number of moles = 145 g / (58.12 g/mol) = 2.49 mol

<span>We  use the ideal gas equation to calculate the volume:</span>

<span> V = n R T / P</span>

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<span>V = 64.35 L</span>

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Murrr4er [49]

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4 years ago
Elaborate on the nuclear model of the atom. The nuclear model describes the atom as protons and neutrons distributed throughout
n200080 [17]

Answer:

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3 years ago
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A titration is carried out to determine the concentration of the acid in an old bottle of aqueous HCl whose label has become unr
egoroff_w [7]

Answer:

The concentration of HCl is - 0.2675 M

Explanation:

At equivalence point ,

Moles of HCl = Moles of NaOH

Considering :-

Molarity_{HCl}\times Volume_{HCl}=Molarity_{NaOH}\times Volume_{NaOH}

Given  that:

Molarity_{NaOH}=0.250\ M

Volume_{NaOH}=32.1\ mL

Volume_{HCl}=30.0\ mL

Molarity_{HCl}=?\ M

So,  

Molarity_{HCl}\times Volume_{HCl}=Molarity_{NaOH}\times Volume_{NaOH}

Molarity_{HCl}\times 30.0=0.250\times 32.1

Molarity_{HCl}=\frac{0.250\times 32.1}{30.0}=0.2675\ M

<u>The concentration of HCl is - 0.2675 M</u>

4 0
3 years ago
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