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3 years ago

BRAINIEST IF ANSWERED CORRECTLY IN THE NEXT 5M

Chemistry

2 answers:

Vlada [557]3 years ago

3 0

This is 2-heptene.

single bonds = ane
double bonds = ene
triple bonds = yne

Travka [436]3 years ago

3 0

Answer: Option (b) is the correct answer.

Explanation:

A hydrocarbon that contains atleast one double bond is known as an alkene. Their general formula is $C_{n}H_{2n}$ .

Since the given hydrocarbon chain has seven carbon atoms so, a prefix "hept" will be added before the name of alkene. Also, a double bond is placed at position 2 on moving from left to right.

Therefore, we can conclude that name of the given compound is 2-heptene.

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Ultraviolet radiation and radiation of shorter wavelengths can damage biological molecules because they carry enough energy to b

Alja [10]

Answer:

439.7nm

Explanation:

Energy of a quantum can be calculated using below formula

E=hv...........eqn(1)

But v=λ/ c .........eqn(2)

If we substitute eqn(2) into eqn(1) we have

E= hc/(λ)

Where E= energy

h= Plank's constant= 6.62607004 × 10-34 m2 kg / s

c= speed of light

c= 2.998 × 10^8 m/s

λ= wavelength= ?

But the energy was given in Kj , it must be converted to Kj/ photon for unit consistency.

Energy E= 272 kJ/mol × 1mol/6.02× 10^23

Energy= 451.83× 10^-24 Kj/ photon

E= hc/(λ)...........eqn(1)

If we make λ subject of the formula

λ= hc/E

Then substitute the values we have

λ= [(6.626 × 10^-34) × (2.998 × 10^8)]/451.83× 10^-24

λ=(0.00043965) × (1Kj/1000J) × (10^9nm/1m)

λ=439.7nm

Hence, the longest wavelength of radiation with enough energy to break carbon-sulfur bonds is 439.7nm

4 0

2 years ago

What is the molarity of I-(aq) in a solution that contains 34 g of SrI2 (molar mass 341 g) in 1.0 L of the solution? Show Work!

kaheart [24]

Answer: 0.20 M

Explanation:

5 0

3 years ago

A compound contains nitrogen and a metal. This compound goes through a combustion reaction such that compound X is produced from

tia_tia [17]

Answer:

The correct answer is: X is nitrogen dioxide, and Y is a metal oxide

Explanation:

Combustion of compound of containing nitrogen and metal will give nitrogen dioxide and metal oxide as product. During combustion reaction a compound reacts with oxygen in order to yield oxides of elements present in the compound.

The general equation is given as:

$4M_3N_x+7xO_2\rightarrow 4xNO_2+6M_2O_x$