3 years ago

Electrons are deflected by a magnetic field because...

1 answer:

max2010maxim [7]3 years ago

5 0

they have a negligible mass and they also have a negative charge so they have an association with the magnetic field. Do you remember polar? So electrons are negative and they attract the nucleus which is overall postivie (since protons are positive) so they act as magnetic since they both have an attraction

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The use of evaporation and condensation to separate parts of a mixture is

prisoha [69]

Answer:

The liquid collected during distillation when the evaporated substance condenses. A separation technique that uses evaporation to separate substances. The mixture is heated so that one substance evaporates. The vapour is collected and condenses into a liquid.

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3 years ago

Many metals react with acids to produce hydrogen gas. A certain reaction produces 32.6 L of hydrogen gas at STP. How many moles

morpeh [17]

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Explanation:

Applying PV= nRT

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3 years ago

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larisa86 [58]

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4 years ago

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inysia [295]

Answer:

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3 years ago

One of the waste byproducts of a nuclear reactor using uranium-235 is strontium-90 with half-life of about 28 years. If we have

e-lub [12.9K]

Answer:

(a) 140 years

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Explanation:

<u>QuestIons</u>

(a) How long is five half-life

(b) How much radioactive strontium is left after five half-life

Given that:

Half-life is about 28 years; &

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Five half-life will be;

= 28 × 5

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The amount of radioactive remaining after five half-life is:

$= 100 \times( \dfrac{1}{2}) ^5$

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= 3.125 pounds

5 0

3 years ago