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Nitella [24]
3 years ago
15

9. Which of the following is needed as a reactant for cellular

Chemistry
2 answers:
Georgia [21]3 years ago
5 0
The answer of you question is
B
olganol [36]3 years ago
3 0
Oxygen and glucose ........
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lana66690 [7]

Answer:

I'm not sure if this is true but in science class I learned that stress can cause a risk of diseases

Explanation:

the more months of stress you have, the higher the risk

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True or False: Air can be made to vibrate.
vesna_86 [32]

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False

Explanation:

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What is the role of neutrons in an atom??
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4 years ago
Read 2 more answers
A 35.6 mL solution of Sr(OH)2 is titrated with 0.549 L of 0.0445 M HBr. Determine the concentration of strontium hydroxide.
ozzi

Answer:

The answer to your question is  0.34 M  

Explanation:

Data

[Sr(OH)₂] = ?

Volume of Sr(OH)₂ = 35.6 ml or 0.0356 l

[HBr] = 0.0445 M

Volume of HBr = 0.549 l

Balanced chemical reaction

                 2HBr  +  Sr(OH)₂  ⇒  SrBr₂   +   2H₂O

Process

1.- Calculate the moles of HBr

Molarity = moles / volume

-Solve for moles

moles = Molarity x volume

-Substitution

moles = 0.0445 x 0.549

          = 0.0244

2.- Calculate the moles of Sr(OH)₂ using the coefficients of the balanced reaction

                    2 moles of HBr ----------------------- 1 mol of Sr(OH)₂

                    0.0244 moles   -----------------------  x

                                   x = (0.0244 x 1) / 2

                                   x = 0.0122 moles of Sr(OH)₂

3.- Calculate the concentration of Sr(OH)₂

Molarity = 0.0122/ 0.0356

-Simplification

Molarity = 0.34                      

5 0
3 years ago
Under what conditions of temperature and pressure would you get the most accurate, ideal molar mass of the liquid?
Slav-nsk [51]

Answer:

High temperature and low pressure

Explanation:

At high temperature and low pressure, the molecules of the liquid do not associate to a reasonable extent.

The molecules of the liquid are somewhat separated from each other as intermolecular interactions are greatly reduced. Hence the accurate, ideal molar mass of the liquid can be measured under these conditions, hence the answer above.

5 0
3 years ago
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