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liq [111]
3 years ago
12

Think about visiting the beach on a hot day. Predict whether sand or water has a higher specific heat and explain your predictio

n.
Chemistry
2 answers:
Ad libitum [116K]3 years ago
7 0
Water has a higher SHC as it would be cooler than the sand meaning it requires more energy to reach the same temperature 
emmainna [20.7K]3 years ago
7 0

Answer:

The sand has a higher specific heat

Explanation:

The answer is that the sand would have a higher specific heat than water because water requires a lot of heat to raise its temperature while sand needs less heat to change it as water has a high heat capacity that allows it to maintain its temperature within a range.

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Explain how acid–base indicators can be used to determine the approximate pH of a substance.
mezya [45]
PH stands for potential hydrogen.
pH can be accurately tested using acid-based indicators since it is a part of the pH of something itself. (acid and bases) The indicators themselves work when the acidic properties of the indicator begins to dissolve and form ions which gives the color indicating the pH.


5 0
3 years ago
What is the measure how heavy something is?
loris [4]

Answer:

Mass?

Explanation:

Hope it helps

5 0
2 years ago
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An organic molecule is likely to contain all of these elements except: Answer C H O Ne N
eimsori [14]
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8 0
3 years ago
Does anyone know the answer?
valentina_108 [34]

An artery carries blood away from the heart, a vein carries blood to the heart.

3 0
3 years ago
The Lyman series results from excited state hydrogen atoms transiting to
Nutka1998 [239]

Answer:

I can't draw diagrams on this web site but I can do with numbers I think. So an electron is moved from n = 1 to n = 5. I'm assuming I've interpreted the problem correctly; if not you will need to make a correction. I'm assuming that you know the electron in the n = 1 state is the ground state so the 4th exited state moves it to the n = 5 level.

n = 5 4th excited state

n = 4 3rd excited state

n = 3 2nd excited state

n = 2 1st excited state

n = 1 ground state

Here are the possible spectral lines.

n = 5 to 4, n = 5 to 3, n = 5 to 2, n = 5 to 1 or 4 lines.

n = 4 to 3, 4 to 2, 4 to 1 = 3 lines

n = 3 to 2, 3 to 1 = 2 lines

n = 2 to 1 = 1 line. Add 'em up. I get 10.

b. The Lyman series is from whatever to n = 1. Count the above that end in n = 1.

c.The E for any level is -21.8E-19 Joules/n^2

To find the E for any transition (delta E) take E for upper n and subtract from the E for the lower n and that gives you delta E for the transition.

So for n = 5 to n = 1, use -Efor 5 -(-Efor 1) = + something which I'll leave for you. You could convert that to wavelength in meters with delta E = hc/wavelength. You might want to try it for the Balmer series (n ending in n = 2). I think the red line is about 650 nm.

Explanation:

8 0
2 years ago
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