3 years ago

How are ocean waves different from sound waves?

2 answers:

5 0

Answer:

Ocean waves are longitudinal waves, Sound waves are transverse waves. Ocean waves are electromagnetic waves, Sound waves are mechanical waves. A Sound wave of over 20,000 Cycles per Seconds is inaudible to Humans.

Explanation:

larisa [96]3 years ago

4 0

Answer:

Ocean waves are mechanical waves while Sound waves are electromagnetic waves

Explanation:

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How many moles are in 3.00x 10^22 atoms of He?

sp2606 [1]

Answer:

<h2>0.05 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{3.0 \times {10}^{22} }{6.02 \times {10}^{23} } \\ = 0.049833...$

We have the final answer as

<h3>0.05 moles</h3>

Hope this helps you

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3 years ago

Which statement describes a chemical property of oxygen

grin007 [14]

Oxygen can combine with a metal to produce a compound

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professor190 [17]

the pancreas and the liver

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Which pH indicates a substance that is more acidic than a substance with a pH of 4

dexar [7]

Anything with a pH level of 3, 2, or 1.

8 0

3 years ago

: How much energy is required to heat an iron nail with a mass of 25.5 grams from 65°C until it becomes red hot at 720°C?

Evgen [1.6K]

Q = mct

-Q= energy in Joules

-m = mass in grams

-c= specific heat capacity in J/g degree C

-t = delta temperature in degrees Celsius

So,

Q = m c t

Q = (7 grams)(0.448J/g C)(750 C - 25 C)

Q = 2273.6 J

Your final answer = 2273.6 Joules

8 0

3 years ago