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3 years ago

Cracking of heptane please help! Show the chemical formula and the diagrams

1 answer:

3 0

CHEBI:43098 - heptane
A straight-chain alkane with seven carbon atoms. It has been found in Jeffrey pine (Pinus jeffreyi). Heptane or n-heptane is the straight-chain alkane with the chemical formula H3C(CH2)5CH3 or C7H16, and is one of the main components of gasoline (petrol)

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What would happen if a Continental Tropical Front meets a Maritime Polar front?

rewona [7]

Answer:

As soon as a front passes a particular location, the weather could change from a steamy maritime tropical air mass to a dry.

Explanation:

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3 years ago

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Are protons and electrons the same number

enot [183]

Atoms must have equal numbers of protons and electrons. So to answer your question, yes protons and electrons are the same number.

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4 years ago

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Question 5 (1 point)

Aleksandr-060686 [28]

Answer : The pressure it exert under these new conditions will be, 87 atm

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

$\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}$

where,

$P_1$ = initial pressure of gas = 19 atm

$P_2$ = final pressure of gas = ?

$V_1$ = initial volume of gas = 100 L

$V_2$ = final volume of gas = 20 L

$T_1$ = initial temperature of gas = $25^oC=273+25=298K$

$T_2$ = final temperature of gas = $0^oC=273+0=273K$

Now put all the given values in the above equation, we get:

$\frac{19atm\times 100L}{298K}=\frac{P_2\times 20L}{273K}$

$P_2=87atm$

Therefore, the pressure it exert under these new conditions will be, 87 atm

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3 years ago

You have a closed tank of air that holds 3.0L at a pressure of 203kP and temperature of 273K. When the tank and the air are heat

Dmitriy789 [7]

The answer is 244.200244

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3 years ago

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According to Archimedes' principle, the mass of a floating object equals the mass of the fluid displaced by the object. A 150-lb

julsineya [31]

Answer:

The density of the swimmer is 0.0342 lbm/in3.

This value makes sense as the density of the body is very similar to the water.

Explanation:

If the swimmers is floating, the weight of the swimmer must be equal to the upward buoyant force.

We can express the weight force as the product of density and volume of the swimmer.

Then

$\rho_{swimmer}*V_{swimmer}=\rho_{water}*V_{water_displaced}\\\\\rho_{swimmer}*V_{swimmer}=\rho_{water}*0.95**V_{swimmer}\\\\\rho_{swimmer}=0.95*\rho_{water}\\\\\rho_{swimmer}=0.95*0.036 lbm/in3\\\\\rho_{swimmer}=0.0342lbm/in3$

It makes sense as the density of the body is very similar to the water.

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3 years ago