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3 years ago

How is a light bulb related to radiation?

Chemistry

2 answers:

klio [65]3 years ago

8 0

Answer:

light bulb use electricity into light which a radiation

Explanation:

i already knew it

salantis [7]3 years ago

4 0

Light bulbs works by converting electricity into light by using electric currents. it emits electromagnetic radiation

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Why would an atom emit particles or waves from its nucleus?

Neko [114]

Answer:

It’s A non of these

Explanation:

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2 years ago

What is the concentration of OH − and pOH in a 0.00066 M solution of Ba ( OH ) 2 at 25 ∘ C? Assume complete dissociation.

Allushta [10]

<u>Answer:</u> The hydroxide ion concentration and pOH of the solution is $1.32\times 10^{-3}M$ and 2.88 respectively

<u>Explanation:</u>

We are given:

Concentration of barium hydroxide = 0.00066 M

The chemical equation for the dissociation of barium hydroxide follows:

$Ba(OH)_2\rightarrow Ba^{2+}+2OH^-$

1 mole of barium hydroxide produces 1 mole of barium ions and 2 moles of hydroxide ions

pOH is defined as the negative logarithm of hydroxide ion concentration present in the solution

To calculate pOH of the solution, we use the equation:

$pOH=-\log[OH^-]$

We are given:

$[OH^-]=(2\times 0.00066)=1.32\times 10^{-3}M$

Putting values in above equation, we get:

$pOH=-\log(1.32\times 10^{-3})\\\\pOH=2.88$

Hence, the hydroxide ion concentration and pOH of the solution is $1.32\times 10^{-3}M$ and 2.88 respectively

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3 years ago

Using your own words whats the difference between weather and climate

aksik [14]

Answer:

Weather is at a specific place and time. Climate is over a period of time.

Explanation:

That is the difference

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3 years ago

What causes the part of earths magnetic field called the magnetosphere to exist?

Sav [38]

Answer:The solar wind creates the magnetosphere as it pushes against and shapes Earth's magnetic field.

Explanation:

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3 years ago

Clouds form when water vapor _____ to form small droplets. A. humidifies B. condenses C. evaporates D. precipitates

PtichkaEL [24]

Condensation is the change of water from its gaseous form (water vapor) into liquid water. Condensation generally occurs in the atmosphere when warm air rises, cools and looses its capacity to hold water vapor. As a result, excess water vapor condenses to form cloud droplets.

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3 years ago

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