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3 years ago

How many peaks will be present in a mass spectrum for brcl?

Chemistry

1 answer:

prisoha [69]3 years ago

6 0

Answer:in a mass spectrum of BrCl four (4) peaks will be present

Explanation:

Cl and Br both have two naturally occuring isotopes.Br has 79Br which has abundance50.69% and 81Br which has abundance 49.31%.Similarly two isotopes of Cl are 35Cl having abundance 75.77% and 37Cl having abundance 24.23%.Chlorine and bromine combine and form bromine monochloride .Now they can combine with each other in four possible combinations wich are 1(81Br37Cl) 2(81Br35Cl) 3(79Br37Cl) 4(79Br35Cl) .So these four combined isotopes will show four peaks in mass spectrum.

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What is the concentration of the unknown h3po4 solution? the neutralization reaction ish3po4(aq)+3naoh(aq)→3h2o(l)+na3po4(aq) -g

hjlf

First, we need to get moles of NaOH:

when moles NaOH = volume * molarity

= 0.02573L * 0.11 M

= 0.0028 moles

from the reaction equation:

H3PO4(aq) + 3NaOH → 3 H2O(l) + Na3PO4(aq)

we can see that when 1 mol H3PO4 reacts with→ 3 mol NaOH

∴ X mol H3PO4 reacts with → 0.0028 moles NaOH

∴ moles H3PO4 = 0.0028 mol / 3 = 9.4 x 10^-4 mol

now we can get the concentration of H3PO4:

∴[H3PO4] = moles H2PO4 / volume

= 9.4 x 10^-4 / 0.034 L

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3 years ago

Read 2 more answers

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murzikaleks [220]

Answer:

Explanation:

4 0

2 years ago

What term describes a carbon atom that has four different groups bonded to it?

oee [108]

A carbon which is attached to four different atoms or group of atoms with different environment is called as Chiral Carbon or Asymmetric Carbon.

Non-<span>superimposable:
</span> The mirror image (molecule) of chiral carbon cotaining compounds are Non.Superimposable on each other. They are called enantiomers of each other.

Polarized Light and Chiral Carbon:
When a polarized light is allowed to fall on either enantiomer of chiral compound, it is rotated other clockwise or anti-clockwise.

Examples:
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8 0

3 years ago

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yawa3891 [41]

Answer:

The greatest acceleration when the unbalanced force is applied will be experienced in :

A) The box with a mass of 2 kg

Explanation:

According to second law of motion the external unbalanced force is directly proportional to rate of change of momentum.

F = (Final momentum - initial momentum)/time

Force is equal to the product of mass and acceleration

F = m x a

Here a= acceleration

m = mass of the object

If Force is constant then acceleration is inversely proportional to mass

$a =\frac{F}{m}$

A) The box with a mass of 2kg

F = 8 N

$a =\frac{8}{2}$

a = 4 m/s2

B) The box with the mass of 4kg

$a =\frac{8}{4}$

a = 2 m/s2

C) The box with a mass of 6kg

$a =\frac{8}{6}$

a = 1.33 m/s2

D) The box with a mass of 8kg

$a =\frac{8}{8}$

a = 1 m/s2

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3 years ago

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sweet-ann [11.9K]

Answer:

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Explanation:

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3 years ago