Chemistry High School

help me please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Answer 1

Sunlight. Solar power!!

Related Questions

Calculate the molar mass of NaNO3-

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The molar mass is 37 grams

Why do scientist use the scientific method

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Answer:

Explanation:

scientists always look for evidence

Answer:

Yea its B

Explanation: The person above me legit toke the answer out of my mouth

PLZ HELP!!!!!asapnow

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Answer:

Friction of wind against the ocean surface

friction of wind against the ocean surface

hurry please Which of the following is a compound?

CO2
Ne
O2
P4

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Answer:

Explanation:

How many grams are in 3.00 x 10^24 molecules of Zn(C2H3O2)2?

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Answer:

Mass = 917.4 g

Explanation:

Given data:

Number of molecules = 3.00 ×10²⁴ molecules

Mass in gram = ?

Solution:

1 mole contain 6.022 × 10²³ molecules

3.00 ×10²⁴ molecules × 1 mol / 6.022 × 10²³ molecules

0.5×10¹ mol

5 mol

Mass in gram:

Mass = number of moles × molar mass

Mass = 5 mol × 183.48 g/mol

Mass = 917.4 g

Can someone answer ASAP if you hurry I will mark brainliest

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Answer:

Electrical and magnetic

You exert a gravitational force on the pupil and the pupil exerts an equal gravitational force on you. ... The size of the gravitational force depends on the mass of the objects involved. The greater the mass, the greater the gravitational force.

Explanation:

why do stars appear to be bigger in the night?

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Answer: in the daytime the sun is out so the stars are not visible becuase the suns reflection! At night When you gaze at the constellations, every star produces an image that's the same size, but your retina isn't sensitive enough to respond to the outer parts of those images except for the brighter stars — which therefore look bigger than the fainter ones.

Explanation:

This is what I found on goog.le a while ago now it might actually help if I’m wrong I apologiz, I hope this was your quistion!

How can calcium oxide change directly to limewater?
Wants equation and observation

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Answer:

Lime(Calcium Oxide) is a white solid with strongly basic properties.Lime reacts readily with water to produce slaked lime,which is the chemical compound calcium hydroxide.....

When carbon dioxide gas is passed through or over limewater,it turns milky due to the formation of calcium carbonate.

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