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taurus [48]
3 years ago
7

Why is the R group in an amino acid important

Chemistry
2 answers:
Alexeev081 [22]3 years ago
6 0
Bc it’s the only group that distinguishes amino acids from one another’s
Rainbow [258]3 years ago
4 0

It gives an amino acid its special chemical properties

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Explain, in terms of particles, what happens when methane boils and why
Ronch [10]

Answer:Butane > ethane > methane, because between bigger molecules there are stronger van der Waals forces and also higher molar mass means they need to be given more energy to have enough kinetic energy to move quickly, freely in gas.

There are multiple butene isomers (Butene) and some (2-Butenes - cis and trans) actually have higher boiling point than n-Butane (there is also Isobutane, of course, with quite much lower boiling point than all of them) and some (1-Butene, Isobutylene) have lower, so this isn't really a fair or simple question. But on simplest level, it can again be said that 1-butene has lower boiling point because it has very similar shape but slightly lower molar mass (2H less) than n-butane.

Explanation:

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2 years ago
What is the principal difference between a strong and weak acid?
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Consider the following chemical reaction: CO (g) + 2H2(g) ↔ CH3OH(g) At equilibrium in a particular experiment, the concentratio
grigory [225]

Answer : The equilibrium concentration of CH_3OH will be, (C) 2.82\times 10^{-1}

Explanation :  Given,

Equilibrium constant = 14.5

Concentration of CO at equilibrium = 0.15 M

Concentration of H_2 at equilibrium = 0.36 M

The balanced equilibrium reaction is,

CO(g)+2H_2(g)\rightleftharpoons CH_3OH(g)

The expression of equilibrium constant for the reaction will be:

K_c=\frac{[CH_3OH]}{[CO][H_2]^2}

Now put all the values in this expression, we get:

14.5=\frac{[CH_3OH]}{(0.15)\times (0.36)^2}

[CH_3OH]=2.82\times 10^{-1}M

Therefore, the equilibrium concentration of CH_3OH will be, (C) 2.82\times 10^{-1}

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3 years ago
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