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dimulka [17.4K]
2 years ago
15

Write a hypothesis for Section 2 of the lab, which is about the effect of the angle of insolation on the amount of heat a materi

al absorbs. Use the format "if . . . then . . . because . . ." and be sure to answer this part of the lesson question: "What factors influence the absorption of sunlight at Earth's surface?"
Chemistry
1 answer:
m_a_m_a [10]2 years ago
5 0

Answer:

If the angle of insolation is higher, then the temperature of the soil will be higher because it will receive more direct light.

Explanation:

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A car moves at a speed of 50 kilometers/hour. Its kinetic energy is 400 joules. If the same car moves at a speed of 100 kilomete
lys-0071 [83]

ke prop to v^2


ke1/v1^2=ke2/v2^2


400/50x50=joules/100x100


400x2x2


1600j

8 0
2 years ago
A 0.500 g sample of tin (Sn) is reacted with oxygen to give 0.534 g of product. What is the empirical formula of the oxide?
REY [17]

Answer:

Sn_2O

Explanation:

Hello,

In this case, given that the mass of the product is 0.534 g, we can infer that the percent composition of tin is:

\%Sn=\frac{0.500g}{0.534g}*100\%\\ \\\%Sn=93.6\%

Therefore, the percent composition of oxygen is 6.4% for a 100% in total. Thus, with such percents we compute the moles of each element in the oxide:

n_{Sn}=93.6gSn*\frac{1molSn}{118.8gSn} =0.788molSn\\\\n_O=6.4gO*\frac{1molO}{16gO}=0.4molO

In such a way, for finding the smallest whole number we divide the moles of both tin and oxygen by the moles of oxygen as the smallest moles:

Sn:\frac{0.788}{0.4}=2\\ \\O:\frac{0.4}{0.4}=1

Therefore, the empirical formula is:

Sn_2O

Best regards.

8 0
2 years ago
A major problem caused by humans is the contamination and depletion of _____ resources. A. solar B. water C. wind
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Water is the only one of these that would work by process of elimination.
4 0
2 years ago
Read 2 more answers
What reaction would take place if a hot tungsten filament bulb was surrounded by air
expeople1 [14]
I don't think it wont be a big explosion 
4 0
2 years ago
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A toy car is placed at 0 on a number line. It moves 9 cm to the left, then 4 cm to the right, and then 6 cm to the left. What is
snow_lady [41]

Answer:

19

Explanation:

The total distance traveled by the toy cay would be 19 cm.

The total distance traveled should not be mistaken for total displacement. While displacement measures the distance and direction from the starting position of the toy car relative to its final position, the total distance traveled is calculated by adding all the movements of the toy car together. Hence;

Total distance traveled = 9 + 4 + 6 = 19 cm

7 0
2 years ago
Read 2 more answers
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