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3 years ago

How is a pure substance different from other substances?

Chemistry

1 answer:

iren [92.7K]3 years ago

7 0

Answer:

Explanation:

A pure substance is made up solely of that substance and can't be separated into any other substances. A mixture can be separated into two or more pure substances

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What is the molarity of a solution where there are 1.35 moles of H2SO4 in 3.00 L of solution?

Montano1993 [528]

Answer: 0.450 M H2SO4

Explanation:

To solve this problem, we must remember how to compute molarity. To find the molarity of a solution, we divide the number of moles by the number of liters of solution. Using this formula and substituting the given values, we get:

Molarity = moles solute/liters solution

= 1.35 moles/3.00 L

= 0.450 M H2SO4

Therefore, the correct answer is 0.450 M H2SO4. Note that the answer has 3 significant figures because each of the given values also contains 3 significant figures.

Hope this helps!

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2 years ago

What are the major organic products are formed when the following compounds react with methylmagnesium bromide (CH3MgBr), follow

Sliva [168]

Answer:

Major organic products are- (a) propan-1-ol and (b) 2-methylpropan-2-ol

Explanation:

methyl magnesium bromide gives nucleophilic addition reaction with carbonyl group. Because methyl magnesium bromide is a strong nucleophile and carbonyl group is a strong electrophilic center.

Propanal contains an aldehyde group and propanone contains a ketone group. hence they both give nucleophilic addition with methyl magnesium bromide.

Dilute acid is added to protonate the alkoxide produced during nucleophilic addition.

Reactions are shown below.

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2 years ago

Organs make up _____.

BARSIC [14]

Answer:

Organs make up Organ System and organ system makes organism

Explanation:

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3 years ago

Read 2 more answers

WHAT IS THE MOLAR MASS OF CAC2

pishuonlain [190]

Answer:

The molarass of Carbon carbide is 64.0 g/mol

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2 years ago

Plz help will mark as brainliest <br><br>CHOOSE THE CORRECT ANSWER

kodGreya [7K]

Answer:

1. Is red blood cells

2. Is high pressure

Explanation:

In the atrium deoxygenated blood is pumped

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3 years ago