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Anestetic [448]
3 years ago
5

Which property of water helps it move upward by capillary action

Chemistry
1 answer:
zhannawk [14.2K]3 years ago
8 0
It’s the water method that helps it
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Because you can't make the pencil go back to normal form
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What isa the UIPAC name H3C<br> CH2-CH2-CH3<br> CH-CH-CH2-CH3<br> H3C—CH<br> CH<br> CH3
aliina [53]

Answer:

4–ethyl–2,3–dimethylheptane

Explanation:

To name the compound given above, do the following:

1. Locate the longest continuous carbon chain. This gives the parent name of the compound. In this case, the longest continuous carbon chain is 7. Thus the parent name is Heptane.

2. Identify the substituent group attached to the compound. In this case, the substituent group attached are:

a. Methyl (–CH₃). There are two methyl group attached.

b. Ethyl (–CH₂CH₃)

3. Locate the position of the substituent group attached to the compound by naming alphabetically.

a. The two Methyl (–CH₃) groups are located at carbon 2 and 3

b. The Ethyl (–CH₂CH₃) is located at carbon 4.

NOTE: The position of the Ethyl (–CH₂CH₃) group is the same from both side so we consider the lowest count for the methyl group.

4. Combine the above to obtain the name of the compound.

The name of the compound is:

4–ethyl–2,3–dimethylheptane

3 0
3 years ago
If a liquid is heated, which of the following happens to both its energy content and the speed of its particles? A. The energy r
mario62 [17]
D!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

4 0
4 years ago
At what substrate concentration would an enzyme with a K_cat of 30.0 s⁻¹ and a Km of 0.0050 M operate at one-quarter of its maxi
Umnica [9.8K]

Answer:

The correct answer is option B.

Explanation:

Michaelis–Menten 's equation:

v=V_{max}\times \frac{[S]}{(K_m+[S])}=k_{cat}[E_o]\times \frac{[S]}{(K_m+[S])}

V_{max}=k_{cat}[E_o]

v = rate of formation of products

[S] = Concatenation of substrate = ?

[K_m] = Michaelis constant

V_{max}= Maximum rate achieved

k_{cat} = Catalytic rate of the system

E_o = initial concentration of enzyme

We have :

v=\frac{V_{max}}{4}

[S] =?

K_m=0.0050 M

v=V_{max}\times \frac{[S]}{(K_m+[S])}

\frac{V_{max}}{4}=V_{max}\times \frac{[S]}{(0.0050 M+[S])}

[S]=\frac{0.005 M}{3}=1.7\times 10^{-3} M

So, the correct answer is option B.

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3 years ago
1. How many molecules are in 643.21 grams of
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Answer: Calculate the molar mass of Mg3(PO4)2 in grams per mole or search for a chemical formula or substance.

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Explanation: PLEASE MARK ME AS BRAINLIEST!

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3 years ago
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