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lisabon 2012 [21]
3 years ago
7

If you put two identical cars on opposite sides of a large magnet, what happens

Physics
2 answers:
FrozenT [24]3 years ago
7 0

Answer:

Depends on what pole it is.

Explanation:

If the poles of the cars and magnets are the same they will repel, if different, attracts.

AnnyKZ [126]3 years ago
3 0

Answer:

Nothing. because it's on the opposite aide

Explanation:

ya

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Ethylene glycol, the primary ingredient in antifreeze, has the chemical formula C2H6O2. The radiator fluid used in most cars is
disa [49]

Answer:

-30 °C

Explanation:

First, we have to calculate the molality (m) of the solution. If the solution is 50% C₂H₆O₂ by mass. It means that in 100 g of solution, the are 50 g of solute (C₂H₆O₂) and 50 g of solvent (water).

The molar mass of C₂H₆O₂ is 62.07 g/mol. The moles of solute are:

50 g × (1 mol / 62.07 g) = 0.81 mol

The mass of the solvent is 50 g = 0.050 kg.

The molality is:

m = 0.81 mol / 0.050 kg = 16 m

The freezing-point depression (ΔT) can be calculated using the following expression.

ΔT = Kf × m = (1.86 °C/m) × 16 m = 30 °C

where,

Kf: freezing-point constant

The normal freezing point for water is 0°C. The freezing point of the radiator fluid is:

0°C - 30°C = -30 °C

8 0
3 years ago
Elements that easily transmit electricity and heat display the property known as conductivity.
Musya8 [376]


True.

Conductivity is the ability to transmit heat, electricity or sound. Conductivity is a physical property.

A physical property is one which can be measured  or observed without changing the composition or identity of a the substance.

Conductivity is a physical property because the composition of the substance does not change.

A copper wire is still  a copper wire when it is conducting electricity. Like wise, an aluminum rod is still an aluminum rod when heated. It is conducting heat but the heat does not change it, it is still  an aluminum rod during the whole process.

7 0
3 years ago
Read 2 more answers
A material through which electrons can move easily is a what
kirill [66]

Answer:

Electrical conductors

3 0
1 year ago
Select the arrangement of electromagnetic radiation which starts with the lowest wavelength and increases greatest wavelength. M
Scorpion4ik [409]

Answer:

gamma rays, ultraviolet, infrared, radio

Explanation:

Because on the Electromagnetic spectrum wavelength increases from the gamma end to radio end and frequency decrease in that order

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3 years ago
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What do we call the bright, sphere-shaped region of stars that occupies the central few thousand light-years of the milky way ga
Law Incorporation [45]

Answer: The galaxy's bulge

Explanation:

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2 years ago
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