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tino4ka555 [31]
3 years ago
12

The chemical formula for table sugar is C 12 H 11 O 22 . What can you tell from this formula?

Chemistry
1 answer:
Paraphin [41]3 years ago
8 0
The the last one, but isn't it c6h12o6?
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Why is it difficult to determine earth's inner structure
Lesechka [4]
It is hard because we can't get past the crust, Our machines will burn up at the mantle and so will we. The layers go: crust, mantle, outer core, inner core.
5 0
3 years ago
How does ice float on water?<br><br> Why does solid ice float on liquid water?
kifflom [539]

Answer:

Because there is trapped air inside the cube of ice

Explanation:

when water freezes it has water molecules and air molecules and as it freezes they move slower and slower until it freezes and they become stuck

4 0
3 years ago
Write the Henderson-Hasselbalch equation for a propanoic acid solution ( CH3CH2CO2H , pKa=4.874 ) using the symbols HA and A− ,
zysi [14]

Answer:

a) [A⁻]/[HA] = 0.227

b) [A⁻]/[HA] = 0.991

c) [A⁻]/[HA] = 2.667

Explanation:

In the Henderson-Hasselbalch equation, HA stands from an acid an A⁻ stands from its conjugate base, as follows:

  • CH₃CH₂CO₂H = HA
  • CH₃CH₂CO₂⁻ = A⁻

pH = pka + Log [A⁻]/[HA]

pH = 4.874 + Log[CH₃CH₂CO₂⁻]/[CH₃CH₂CO₂H]

  • (a)

4.23 = 4.874 + Log [A⁻]/[HA]

-0.644 = Log [A⁻]/[HA]

10^{-0.644} = [A⁻]/[HA]

0.227 = [A⁻]/[HA]

  • (b)

4.87 = 4.874 + Log [A⁻]/[HA]

-0.004 = Log [A⁻]/[HA]

10^{-0.004} = [A⁻]/[HA]

0.991 = [A⁻]/[HA]

  • (c)

5.30 = 4.874 + Log [A⁻]/[HA]

0.426 = Log [A⁻]/[HA]

10^{0.426} = [A⁻]/[HA]

2.667 = [A⁻]/[HA]

6 0
3 years ago
Why flame tests are not useful for all elements?
Shalnov [3]
<span>Not all elements have strong visible spectra in a flame</span>
3 0
3 years ago
Read 2 more answers
Which reaction can be used to make 2,3 dichloropentane?
lina2011 [118]

Answer:

B) substitution

Explanation:

2,3 dichloropentane is a hydrocarbon that contains two chlorine atoms in its chain. It has a chemical formula: C_{5} H_{10} Cl_{2}. In the compound, two hydrogen atoms has been substituted by two chlorine atoms.

A substitution reaction is a process by which an atom of a compound is being replaced by another atom to form a new compound due to a chemical reaction. This is one of the general properties of alkanes.

4 0
3 years ago
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