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tangare [24]
3 years ago
14

Identify the reagents necessary to achieve each of the following transformations: Na2Cr2O7, H2SO4, H2O EtOH, H+ H2O Fe2+, NaOH N

a2Cr2O7, H2SO4, H2O PCC, CH2Cl2 H2O, H+ Fe2+, H+ 1) R2B-H 2) H2O2, NaOH H2SO4, H2O, HgSO4 1) Br2 2) KOH H2SO4, H2O 1) R2B-H 2) H2O2, NaOH H2SO4, H2O, HgSO4 H2SO4, H2O 1) Br2, KOH 2) H2O, H+ 1) O3 2) DMS 1) O2 2) DMS 1) Br2 2) KOH K2Cr2O7, H2SO4, H2O
Chemistry
1 answer:
Gala2k [10]3 years ago
8 0
There’s not an answer in there.
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An unknown liquid has a mass of 22.1 g
Yuki888 [10]
M = 22.1 g
V = 52.3 mL
D = ?

D = m/V
= 22.1/52.3
= 22.1*10/52.3*10
= 221/523
= 0.4

There. I’m sorry i forgot what exactly was the S.I. unit of density :(
6 0
3 years ago
Mrs. Jacobson is pushing a fridge to the right with a force of 100 N. The force pushing it
alex41 [277]

Answer:

A

Explanation:

Let's illustrate this; see the attachment.

We see that Mrs. Jacobson is pushing to the right with a force of 100 N and there is another opposite force pushing with a force of 15 N. Since these are in opposite directions, we can say that the force opposite to Mrs. Jacobson is pushing the fridge -15 N to the right (instead of 15 N to the left).

The net force would then be:

100 N + (-15 N) = 85 N to the right

The answer is A.

8 0
3 years ago
Read 2 more answers
How many moles are in 272 grams of hydrogen peroxide (H2O2) ?
Strike441 [17]

Answer:

8 moles

Explanation:

When we are asked to convert from grams of a substance into moles, we have to use the substance's molar mass.

Meaning that for this problem, we'll <em>use the molar mass of hydrogen peroxide</em> (H₂O₂), as follows:

  • 272 g ÷ 34 g/mol = 8 mol

There are 8 moles in 272 grams of hydrogen peroxide.

7 0
2 years ago
Write the balanced equation for the burning of nonane, c9h20, in air.
Ivanshal [37]
C9H20 + 14O2 --> 9CO2 + 10H2O
3 0
3 years ago
What is the source of energy for the Sun?
nikitadnepr [17]

Answer:

Nuclear fusion

Explanation:

Nuclear fusion is the source of Sun's energy.. At the core where temperature and pressure are very high hydrogen atoms fuse into helium atom and release energy in the form of Gama rays.

3 0
3 years ago
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