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pentagon [3]
4 years ago
8

How do sound waves transfer energy?

Chemistry
1 answer:
bazaltina [42]4 years ago
8 0

Answer:

By the vibration of particles in a medium

Explanation:

For example, the energy in sound waves is transferred by the vibration of the molecules in air.

A is wrong. Electromagnetic radiation transfers energy through vibrating electric and magnetic fields.

B is wrong. Sound waves can transfer energy far from the ocean.

C is wrong. A combination of waves just makes a wave with a different shape.

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The heat of vaporization of diethyl ether is . Calculate the change in entropy when of diethyl ether boils at . Be sure your ans
natima [27]

Answer:

\Delta S=900\frac{J}{K}

Explanation:

Hello!

In this case, since the information is not missing, the following one will be used as it is found on similar problems:

\Delta h=26.7kJ/mol\\T_b=34.6\°C\\m=769.0g

In such a way, we use the following equation to compute the entropy:

\Delta S=\frac{n\Delta h}{T_b}

Whereas n (moles) are computed by using its molar mass (74.14 g/mol) as follows:

n=769.0g*\frac{1mol}{74.14g}=10.4mol

\Delta S=\frac{10.4mol*26.7\frac{kJ}{ml} }{(34.6+273.15)K}\\\\\Delta S=0.900 \frac{kJ}{K} \\\\\Delta S=900\frac{J}{K}

Best regards!

7 0
3 years ago
What’s my resting energy????
yulyashka [42]
Water :| water is your delicious food
5 0
3 years ago
$4000 principal earning 6% compounded annually. what will the balance be after 6 years
nadezda [96]

Answer:

Compound Interest is calculated on the initial Principal for a given unit of time(yearly, half-yearly, quarterly), it also includes all of the accumulated interests of the previous period of a loan or deposit.

In this type of interest, the amount after the first unit time becomes the principal for the second unit and the amount after second unit time becomes the principal for the third unit and so on.

So the difference between the final amount and the principal is called Compound interest.

If the interest is compounded yearly:-

A=P(1+R100)n

Here A = final Amount

P = Principal

R = interest rate

n = time period

Compound interest = Final amount - principal

Given:-

Principal (P) = $4000

Interest Rate (R) = 6%

Time period (n) = 5 years

3 0
3 years ago
Khjgjhgfmhgxfhkugfdnhmvngchnvnhvhgh
igor_vitrenko [27]

Answer:

I don’t know

Explanation:

5 0
3 years ago
Read 2 more answers
A scientist is wondering why a certain region in the ocean doesn't have maximum phytoplankton growth, despite having plenty of n
Advocard [28]

Answer:

C The water had adequate nitrogen and phosphorus, so it is likely iron limited.

Explanation:

Phytoplankton are single- cell organisms that live in oceans.

They require nitrogen, phosphorus and trace amount of iron to survive.

From the scientist's results after testing the water for nitrogen and phosphorus,there are reasonable amount of these elements.

Therefore insufficient iron in the water is the reason why he could find plenty phytoplankton in the ocean.

8 0
3 years ago
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