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MA_775_DIABLO [31]
3 years ago
9

The law of conservation of matter states that matter is neither created nor destroyed in a chemical reaction. Which of the follo

wing must be true? *
A the mass of the products is greater than the mass of the reactants
B the mass of the products is less than the mass of the reactants
C the mass of the reactants must equal the mass of the products​
Chemistry
2 answers:
Artyom0805 [142]3 years ago
4 0

Answer:

A

Explanation:

tangare [24]3 years ago
3 0

Answer:

C is the correct answer

Explanation:

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Leona [35]
B. i took the test and got it right
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2 years ago
Consider a solution that is 0.05 M HCl. Your goal is to neutralize 1 L of this solution (i.e. bring the pH to 7). You also have
Ilia_Sergeevich [38]

Answer:

The volume of NaOH required is - 0.01 L

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}=5\ M

Volume_{NaOH}=?\ L

Volume_{HCl}=1\ L

Molarity_{HCl}=0.05\ M

So,  

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

0.05\times 1=5\times Volume_{NaOH}

Volume_{NaOH}=\frac{0.05\times 1}{5}=0.01\ L

<u>The volume of NaOH required is - 0.01 L</u>

3 0
3 years ago
What are two ways to describe concentration? How do they differ from one another?
adell [148]

Answer:

no .........................

3 0
3 years ago
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The backbone in a nucleic acids strand is called:
Nina [5.8K]

Answer: Option (c) is the correct answer.

Explanation:

Backbone in a nucleic acids strand is made up of sugar molecules attached with phosphodiester bond.

This sugar-phosphate linkage helps in joining of nucleotides in a DNA sequence. Due to this backbone structural framework of nucleotides is formed. In DNA, the sugar is deoxyribose.  

Thus, we can conclude that the backbone in a nucleic acids strand is called sugar backbone.

4 0
3 years ago
Draw the products of the complete hydrolysis of an acetal. Draw all products of the reaction.
jolli1 [7]

Answer: the product is ketone or aldehyde

Explanation:

The first step is the conversion of acetal to hemiacetal in the presence of H3O+/ ROH, and then the final conversion of hemiacetal to ketone/aldehyde using

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Attached is the structural conversion

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3 years ago
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