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zepelin [54]
3 years ago
11

Draw a relative energy diagram showing a conformational analysis of 2,2-dichloropropane along C1-C2 bond. Clearly label all stag

gered conformations and all eclipsed conformations with the corresponding Newman projections.
Chemistry
1 answer:
Andre45 [30]3 years ago
7 0

Answer:

^#))(899900000)My020

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The molarity of a solution that contains 8.0 g of NaOH in a liter of solution is
Kay [80]

Answer:

0.2M NaOh

Explanation:

there are 0.2 mol of NaOH in 8.0 g. (8.0/40) =0.2. Molarity = mol/L = 0.2M.

8 0
2 years ago
Which of the following matches is not correct?
Furkat [3]

Answer:

SO42 - Trigonal planar ion

Explanation:

The SO4^2- ion is tetrahedral and not trigonal planar because the sulphur atom has four regions of electron density which includes the lone pair of electrons on sulphur atom.

This accounts for the observed tetrahedral arrangement of electron pairs around the central sulphur atom in SO4^2- ion, hence the answer.

8 0
3 years ago
A particle that travels around the nuceleus of an atom in orbitals is called?
goblinko [34]
….yes that’s correct it is a quark:)
4 0
3 years ago
Water ionizes by the equationH2O(l)⇌H+(aq)+OH−(aq)The extent of the reaction is small in pure water and dilute aqueous solutions
tia_tia [17]

Explanation:

H_2O(l)\rightleftharpoons H^+(aq)+OH^-(aq)

The value of K_w :

K_w=[H^+][OH^-]

a. pOH = 3.51

The sum of pH and pOH is equal to 14.

pH + pOH = 14 (at 25°C)

pH = 14 - 3.51 = 10.49

The pH of the solution is defined as negative logarithm of hydrogen ion concentration in solution.

pH=-\log[H^+]

10.49=-\log[H^+]

[H^+]=3.2\times 10^{-11}

3.2\times 10^{-11} Mis the H^+ concentration for an aqueous solution with pOH = 3.51 at 25°C.

b.

At a certain temperature, the pH of a neutral solution is 7.56.

Neutral solution means that concentration of hydrogen ion and hydroxide ions are equal.

[H^+]=[OH^-]

7.56=-\log[H^+]

[H^+]=2.754\times 10^{-8} M

The value of K_w at at this temperature:

K_w=[H^+][OH^-]

K_w=[H^+][H^+]

K_w=(2.754\times 10^{-8})^2=7.6\times 10^{-16}

The value of K_w at at this temperature is 7.6\times 10^{-16}.

5 0
4 years ago
Which of the following statements are correct? Rewrite the incorrect statements to correct them.
Mariana [72]
A) true
b) false  The atomic mass is never less than the atomic number.
c) this one is a bit tricky.  For hydrogen, the atomic mass can equal the atomic number IF you are rounding the mass to the nearest whole number. That only works for hydrogen, though
d) false  The larger the element, the more neutrons that are needed to keep the nucleus stable.
e) true
f) true
7 0
3 years ago
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