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KATRIN_1 [288]
3 years ago
15

Define "tides” in your own words.

Chemistry
1 answer:
vfiekz [6]3 years ago
7 0

Answer:

the rising and falling of the surface of the ocean caused twice daily by the attraction of the sun and the moon

Explanation:

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What best explains why the box’s final kinetic energy is less than its initial potential energy
ziro4ka [17]
Some potential energy was converted into thermal energy due to friction. The acceleration due to gravity became smaller as the box slid down the ramp.
7 0
3 years ago
Read 2 more answers
What is the daughter nucleus produced when zn63 undergoes electron capture? replace each question mark with the appropriate inte
GarryVolchara [31]

The daughter nucleus that is produced is ₂₉⁶³cu.

What is Electron capture?

The process of drawing an electron to the nucleus, where it combines with a proton to create a neutron and a neutrino particle, is known as electron capture.

The daughter nucleus is the nucleus that is made by the parent nucleus. The nucleus that remains after the decay is called the daughter nucleus.

Here is the chemical formula for the reaction that results in the electron capture of the zinc-63 nucleus:

_A^ZX + e^- =  _A^Z_-_1 Y + ye

_3_0^6^3Zn\; + e^- = _2_9^6^3Cu + ye

Thus, the daughter nucleus produced when zn63 undergoes electron capture is _2_9^6^3Cu.

To learn more about Electron capture, refer to the below link:

brainly.com/question/10964824

#SPJ4

4 0
2 years ago
Colin decided to investigate soil erosion by water. He measured rates of erosion on
anygoal [31]

Answer:

i just had a test on this with 2 attempts and got it wrong on both but i do know that the answer is not...

the steepness of the models hillside

or

the rate of erosion on the hills

so the answer is either...

the amount of water sprayed on the hills

or

the type of material used to construct the model hills

but i think its the amount of water sprayed on the hills...i hope i helped a lil ;)

Explanation:

3 0
3 years ago
In a balanced equation, coefficients always represent
steposvetlana [31]

Answer:

D. The number of atoms present

Explanation:

In a balanced equation, coefficients always represent the number of atoms present.

8 0
3 years ago
You need a 30% alcohol solution. On hand, you have a 200 mL of a 10% alcohol mixture. You also have 55% alcohol mixture. How muc
Art [367]

Answer: 160 ml

Explanation:

The expression used will be :

C_1V_1+C_2V_2=C_3V_3

where,

C_1 = concentration of Ist alcohol solution= 10%

C_2 = concentration of 2nd alcohol solution= 55%

V_1 = volume of Ist alcohol solution = 200 ml

V_2 = volume of  2nd alcohol solution= v ml

C_3 = concentration of resulting alcohol solution= 30%

V_2 = volume of resulting alcohol solution= (v+200) ml

Now put all the given values in the above law, we get the volume of added.

(10\times 200)+(55\times v)=(30\times (v+200)ml)

By solving the terms, we get :

v=160ml

Therefore, the volume of 55% mixture  needed to be added to obtain the desired solution is 160 ml.

5 0
3 years ago
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