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fiasKO [112]
3 years ago
12

How could you distinguish octane from 1-octene by a simple chemical test?

Chemistry
2 answers:
sashaice [31]3 years ago
7 0

Answer:

See below.

Explanation:

Add bromine water.

The 1-octene will render the bromine water colourless whereas the octane will have no effect.

lara [203]3 years ago
3 0

卂几丂山乇尺

As the name indicate that in 1-octene there is a double bond on the first position in the eight carbon atoms chain THUS to detect its presence, we use bromine water test;

Add bromine water to the test tube containing octane/octene if the brown colour of bromine water disappears then octene is present.

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2 years ago
What is the resistance of a 150 W lightbulb connected to a 24 V voltage source?
Luda [366]

Answer:

3.84 Ω

Explanation:

From the question given above, the following data were obtained:

Electrical power (P) = 150 W

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V = IR

Divide both side by R

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P = V/R × V

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Where:

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R => Resistance

With the above formula (i.e P = V²/R), we can calculate resistance as illustrated below:

Electrical power (P) = 150 W

Voltage (V) = 24 V

Resistance (R) =?

P = V²/R

150 = 24² / R

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150 × R = 576

Divide both side by 150

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The molar heat of fusion of gold is 12.550 kJ mol–1. At its melting point, how much mass of melted gold must solidify to release
KATRIN_1 [288]

The mass of melted gold to release the energy would be  3, 688. 8 Kg

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The formula for quantity of energy is given thus;

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To find the number of moles, we have

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number of moles = \frac{235}{12. 550} = 18. 725 moles

Note that molar mass of Gold is 197g/ mol

Let's note that;

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Mass = 18. 725 × 197

Mass = 3, 688. 8 Kg

Thus, the mass of melted gold to release the energy would be  3, 688. 8 Kg

Learn more about molar heat of fusion here:

brainly.com/question/15634085

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