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Usimov [2.4K]
3 years ago
11

How do I figure out how to solve the table ?

Chemistry
2 answers:
Aleks [24]3 years ago
6 0
We need a photo..   sorry we cant help withour it
nataly862011 [7]3 years ago
3 0
You have to add a photo to we can understand - Yuno Gasai
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The change in internal energy for the combustion of 1.0 molmol of octane at a pressure of 1.0 atmatm is -5084.1 kJkJ . Part A If
Dovator [93]

Answer:

W = -10.3 kJ

Explanation:

During combustion, the system performs work and releases heat. Therefore, the change in internal energy is negative, and the change in enthalpy, which is equal to heat at constant pressure, is also negative. Work is then calculated by rearranging the equation for the change in internal energy:

w=ΔE−qp=−5084.3 kJ−(−5074.0 kJ)

The release of heat is much greater than the work performed by the system on its surroundings. The potential energy stored in the bonds of octane explains why considerably large amounts of energy can be lost by the system during combustion.

3 0
2 years ago
When magnesium reacts with chlorine, the chlorine atom gain electrons. what happens to chlorine in this reaction?
Mrrafil [7]

Answer:

D

Explanation:

Reduction refers to gain in electrons. Hence it is D

Oxidation occurs when the element loses electrons. Hence A is wrong

7 0
3 years ago
Give the IUPAC name for the following alkanes and cycloalkanes​
Alchen [17]

Answer:

1.3-bromo,2-chloro,4-floro hexane

3.bromocyclo pentane

3 0
2 years ago
Which scientist first made a model of the atom called the plum pudding model? john dalton j.j. thomson ernest rutherford neils b
Lady_Fox [76]
The scientist that developed this model is J.J Thomson.
8 0
2 years ago
1.50 × 104 J of energy is transferred thermally into a huge tank filled with liquid water. The water temperature remains constan
posledela

Answer:

53j/k

Explanation:

ΔH = TΔS => ΔS = ΔH/T = 1.5 x 10⁴ joules/283 Kelvin = 53 joules/K

3 0
3 years ago
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