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goblinko [34]
3 years ago
11

Which is true of a mechanical wave? (Hurry up please, do quick)

Chemistry
1 answer:
VARVARA [1.3K]3 years ago
4 0

Answer:

I am pretty sure the answer is B. Hope this helps

Explanation:

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If an automobile travels at 30. m/s for 2 minutes, how far has the car traveled?
Nesterboy [21]

3600 miles! to get this answer you first need to know that  

60+60= 120  

then just times tht by 30 and you get 3600!

4 0
3 years ago
The vapor pressure of water at 25°C is 3. 13×10^-2 atm, and the heat of vaporization of water at 25°C is 4. 39×10^4 J/mol. Calcu
Sergeu [11.5K]

The vapour pressure of water at 61°C is 1.28x10⁻³

Vapour pressure of a pure compound is the pressure characteristic at any given temperature of a vapour in equilibrium with its liquid or solid form

                                    Kp=P H 2O =0.0313.

But

                                          K p=K c(RT)

                                          Δn=K c

                                     (RT) because Δn=1.

Substitute values,

                                     0.0313=K c (0.0821×298)

                                          K c =1.28×10 −3 .

Learn more about Vapour pressure here-

brainly.com/question/25699778

#SPJ4

4 0
1 year ago
A student touches a freshly baked cake that was taken out of the oven. Which best explains why the cake feels hot? Molecules in
almond37 [142]

Answer: Option (b) is the correct answer.

Explanation:

When the cake is baked then due to the heat provided to it there will occur movement of its molecules.

As a result, molecules will gain kinetic energy due to which there will occur collisions between them.

Also,       K.E \propto \frac{3}{2}kT

Hence, more is the heat provided to the cake more will be the kinetic energy of its molecules due to which when we touch it, it feels hot.

Thus, we can conclude that molecules in the cake are moving faster than molecules in the skin, best explains why the cake feels hot.

6 0
3 years ago
Read 2 more answers
Into what four blocks can the periodic table be divided to illustrate the relationship between the elements' electron configurat
andre [41]

Answer: Into the S, P, D, F blocks.

3 0
3 years ago
The _____________ of the moon has a greater effect on tides than the __________. *
krek1111 [17]

Part one is Gravitaitional Pull, and part two is the sun.

-----------------------------------------------------------------------------------------------------------------I hope this is right!!!

Have a good day person

<3

Miri

7 0
2 years ago
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