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Mariana [72]
3 years ago
5

I kinda need help . And please don't copy stuff down from the internet.

Chemistry
2 answers:
SVEN [57.7K]3 years ago
8 0
Solar technology converts sunlight into direct current electricity by using semiconductors contained in solar panels, when the sun hits the semiconductor material electrons are freed it forms an electric current
9966 [12]3 years ago
3 0

One of the answers is Solar to Electrical hope this helps.

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Molecules of sugar are attracted to each other and form crystals. If you place sugar in water, the crystals break apart, but the
suter [353]

Answer:

Explanation:

So here's the thing . Sugar molecule is a molecular solid . It a relatively weak molecule

We all know the formula of glucose ( which is a sugar type molecule ) which is C12 H22 O 11 . This is basically bonded together by dipole dipole forces ( remember that this force of attraction is weak ) .on the other hand you have the solution ( which is usually water) .water is held by strong attraction forces known as hydrogen bonding .since this type of bonding is greater than dipole dipole forces .therefore when glucose is dropped in water . water is easily able to obercome the forces that are keeping the glucose molecule intact . therefore the molecule dissolves and breaks into pieces. Hope this helps

3 0
3 years ago
A sample of gas has a volume of 526 mL at 346 mmHg and 35.0°C. Determine the moles of gas.​
Furkat [3]

Answer:

The moles of gas is 0.009474 moles.

Explanation:

Given that,

Volume = 526 mL

Pressure = 346 mmHg

Temperature = 35.0°C

We need to calculate the moles of gas

Using formula of ideal gas

n=\dfrac{PV}{RT}

Where, P = pressure

V = volume

R = gas constant

T = temperature

Put the value into the formula

n=\dfrac{\dfrac{346}{760}\times0.526}{0.08206\times(35+273)}

n=0.009474\ moles

Hence, The moles of gas is 0.009474 moles.

7 0
3 years ago
The three types of intermolecular forces have different strengths. Rank
tigry1 [53]
There are three different types of intermolecular forces in terms of strength. They are (strongest to weakest) hydrogen bonding, dipole-dipole and Van der Waals' forces.
3 0
3 years ago
Pink quartz and smoky quartz are different colors. They will both have the same _____.
drek231 [11]
I think the correct answer from the choices listed above is the first option. <span>Pink quartz and smoky quartz are different colors. They will both have the same color streak. This is because they are both quartz. Hope this answers the question. Have a nice day.</span>
7 0
3 years ago
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What is the best description of how heat is transferred from deep in the earth to the surface?
Lana71 [14]

Answer:

pretty sure it's C,

Explanation:

Mantle convection is the very slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior to the planet's surface. ... This hot added material cools down by conduction and convection of heat.

3 0
3 years ago
Read 2 more answers
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