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3 years ago

Is petrol a conductor or an insulator

Chemistry

2 answers:

Sidana [21]3 years ago

8 0

Petrol is a conductor of electricity, because it conducts rather than insulates.

castortr0y [4]3 years ago

4 0

Petrol is an insulator because the electrical conductivity of petrol is 25psm-1 which is pretty low. so it can not be a conductor

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vekshin1

Answer:

The sum of the molar masses of each isotope of the element.

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3 years ago

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If you have 10cm of snow with a volume of 40mL and a density of 0.5 g/mL how many inches of rain is this?

Lelu [443]

Density is the mass of compound divided by its volume can be shown as follows:

$d = 0.5 g /mL = m /V = m /40 = 0.5$

$m = 20 g$

40 mL of snow having 20 g of mass calculated from density.

Now, 10 cm of snow = 3.93 inches = 20 g

As, 10 inches of rain will produce 11 inches of ice as the volume of ice is bigger than rain water.

10 inches rain = 11 inches snow

3.93 inches of snow produced by

$= (3.93 * 10) /11 = 3.57 inches rain.$

Thus, 3.57 incehs of rain produces by 10 cm snow.

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3 years ago

How many atoms of phosphorus are in 3.80 mol of copper(II) phosphate?

Sladkaya [172]

Wouldn't you take Avogadro' number and multiply by 3.80 maybe

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3 years ago

8. The time period of artificial satellite in a circular orbit of radius R is T. The radius of the orbit in which time period is

Elena-2011 [213]

Explanation:

It is given that,

The time period of artificial satellite in a circular orbit of radius R is T. The relation between the time period and the radius is given by :

$T^2\propto R^3$

The radius of the orbit in which time period is 8T is R'. So, the relation is given by :

$(\dfrac{T}{T'})^2=(\dfrac{R}{R'})^3$

$(\dfrac{T}{8T})^2=(\dfrac{R}{R'})^3$

$\dfrac{1}{64}=(\dfrac{R}{R'})^3$

$R'=4\times R$

So, the radius of the orbit in which time period is 8T is 4R. Hence, this is the required solution.

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3 years ago

Which of the following conditions would speed up the rate of decomposition? (Select

Anna11 [10]

Answer:

E and B

Explanation:

the warmer the weather the faster it will decompose, this why is why sometimes bodies last longer frozen, or in cool temperatures.

that statement takes a out.

An illness shouldn't effect a decomposing body

Weight also shouldn't effect a decomposing body

Being buried can make bodies decompose fast because of all the bugs and other animals that will get down there and decompose it faster

Answer: B,E

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3 years ago