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GuDViN [60]
3 years ago
14

Latitude plays a major role in determining the climate, or long-term weather patterns, of an area. Because of differences in the

intensity of solar energy, climates in higher latitudes are generally colder than climates in lower latitudes. What causes some areas of Earth to receive less intense solar energy than others?
Chemistry
1 answer:
natima [27]3 years ago
4 0

Answer: B. the curve of earth

Explanation:

The curve of the Earth is tilted as it rotates around the sun. This means that one side will receive more direct sunlight than the other side some parts of the year.

The intensity of solar energy received is directly proportional to the amount of sunlight received so the side receiving more sunlight will receive more solar energy.

This is the same reason Earth has different seasons.

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Elan Coil [88]
The answer is REFRACTED
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An electron has an uncertainty in its position of 513 pm. What is the uncertainty in its velocity?
ella [17]
"The uncertainty<span> in </span>velocity<span> is Δv=1.05⋅105m/s . According to the Heisenberg </span>Uncertainty<span> Principle, you cannot measure simultaneously with great precision both the momentum and the position of a particle. m - the mass of an electron - 9.10938⋅10−31kg." 
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7 0
3 years ago
How are stars and comets different?
ehidna [41]
The answer is letter C.

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3 0
2 years ago
How many moles (of molecules or formula units) are in each sample? 79.34 g cf2cl2?
Alona [7]
From the periodic table:
molecular mass of carbon = 12 grams
molecular mass of fluorine = 18.99 grams
molecular mass of chlorine = 35.5 grams
Therefore:
one mole of CF2Cl2 = 12 + 2(18.99) + 2(35.5) = 120.98 grams
Therefore, we can use cross multiplication to find the number of moles in 79.34 grams as follows:
mass = (79.34 x 1) / 120.98 = 0.6558 moles

Now, one mole contains 6.022 x 10^23 molecules, therefore:
number of molecules in 0.65548 moles = 0.6558 x 6.022 x 10^23
                                                              = 3.949 x 10^23 molecules
7 0
2 years ago
Ethylene glycol (C2H6O2) is used as an antifreeze in cars. If 250 g of ethylene glycol is added to 3.00 kg of water, what is the
Zepler [3.9K]

Answer:

2,909 M

Explanation:

molair mass is of.ethylene is 26,04 g/mol

first you need to calculate how much mL 3 kg is. You can do this by using the density of ethylene: 1,1 g/mL.

3000 g x 1.1 = 3300 mL = 3,3 L

Next you need to calculate the amount of moles:

250 g / 26,04 g/mol = 9,60 mol

Now you can calculate the molarity:

9,6/3.3 = 2,909 M

I don't know the answer for the second question. I'm sorry.

3 0
2 years ago
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