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3 years ago

Which is more stable: neutral chlorine atoms or chlorine ions? Why?

Chemistry

1 answer:

lubasha [3.4K]3 years ago

3 0

Answer:

When we say "chlorine wants to gain one electron", we speak of the radical atom. Chlorine as a free radical, Cl⋅ , is the chlorine atom that we say has 7 valence electrons and wants its 8th to form an octet. So, Cl⋅ , chlorine radical, is less stable, and Cl− , chlorine ion, is more stable

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Will a precipitate form if you mix 75.0 mL of a NaOH solution with pOH of 2.58 if it is mixed with 125.0 mL of a 0.0018 M MgCl2

r-ruslan [8.4K]

A precipiatate of mass 0.013 g is formed when you mix 75.0 mL of a NaOH solution with pOH of 2.58 and 125.0 mL of a 0.0018 M MgCl2 solution

<h3>What is stoichiometry?</h3>

In stoichiometry, calculations are made based on mass - mole or mole - volume relationships. First we must put down the balanced reaction equation; 2NaOH(aq) + MgCl2(aq) -----> Mg(OH)2(s) + 2NaCl(aq)

Now Ionically;

2OH^-(aq) + Mg^2+(aq) -----> Mg(OH)2(s)

Concentration of OH^- = Antilog (-2.58) = 2.6 * 10^-3 M

Number of moles of OH^- = 2.6 * 10^-3 M * 75/1000 = 0.000195 moles

Concentration of Mg^2+ = 0.0018 M

Number of moles of Mg^2+ =0.0018 M * 125/1000 = 0.000225 moles

Since;

1 mole of Mg^2+ reacts with 2 moles of OH^-

x moles of Mg^2+ reacts with 0.000195 moles of OH^-

x = 0.0000975 moles

Mg^2+ is the limiting reactant.

1 mole of Mg^2+ yields 1 mole of the precipitate

0.000225 moles of Mg^2+ yields 0.000225 moles of precipitate.

Hence, a precipitate is formed.

Learn more about precipitate: brainly.com/question/1770619?

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3 years ago

A hot air balloon contains 5.30 kL of helium gas when the temperature is 12°C. At what temperature will the balloon's volume hav

frosja888 [35]

Answer:

(A) 50 °C

Explanation:

Ideal gas law:

PV = nRT

If pressure is held constant, then:

V₁ / T₁ = V₂ / T₂

Substituting values:

(5.30 kL) / (12 + 273 K) = (6.00 kL) / T

T = 323 K

T = 50 °C

3 0

3 years ago

Read 2 more answers

All of the above

Natalka [10]

The plants without any fertiliser could be the control, to see what the change in the independent variable (fertiliser) does to the growth of the plant (dependant variable).

Hope that helps.

8 0

3 years ago

. The products of the reaction are glycerol and a crude soap. The chemical formula of the soap is CH3(CH2)14COO - Na+ . Draw the

Elenna [48]

Answer:

The line-angle structure is shown in the image below.

Explanation:

The line-angle formula is also known as the skeletal structure in which the carbon atoms are at the corners where the two lines showing bonds meet and also at the end of the limes.

Each carbon atom in these kind of structures are itself understood to be attached to the exact number of hydrogen atoms so that the octet of the carbon atoms is complete.

Given that:- The chemical formula of soap produced - $CH_3(CH_2)_{14}COO^-Na^+$

The line-angle structure is shown in the image below.

7 0

3 years ago

Which group would Ns2np2 go into

FrozenT [24]

Answer:

The group 15 elements: the pnicogens

Explanation:

The group 15 elements, nitrogen, phosphorus, arsenic, antimony and bismuth, all have the general valence shell electronic configuration ns2np3. They can all exist in the +3 or +5 oxidation state, with the +3 state increasing in stability as we move vertically down the group.

3 0

4 years ago

Read 2 more answers

Which is more stable: neutral chlorine atoms or chlorine ions? Why?​

Which is more stable: neutral chlorine atoms or chlorine ions? Why?