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velikii [3]
3 years ago
13

What does this motion cause on the surface of the earth (rotation)

Chemistry
2 answers:
neonofarm [45]3 years ago
8 0

The earth rotates rotates on its axis taking approximately approximately 24 hours to complete complete one rotation. this rotation process of earth has some environmental effects :-

1 Rotation creates a  cycle of day and light , temperature changes  and humidity changes on earth .

2 Rotation helps to form time zone on earth . There are 24, one for each hour of the earth's rotation.

3 Rotation causes the tides‐ the twice daily rise and fall of sea level. Tides are form  because of both gravity of the moon and the gravity of the sun. Tides are highest when earth , Moon and Sun are in straight line.



vichka [17]3 years ago
3 0
The motion causes day and night because the earth is constantly spinning on it's axis.
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A child pushes a desk with a force of 15 N to the right. The desk accelerates to the right. Which of the following statements co
ratelena [41]

Answer:

The answer to your question is: number 1

Explanation:

Third law of Newton: says that for every action ,there is an equal and opposite reaction.

So, if the child is pushing an object to the right, it will recipe the same amount of force that he is exerting to the object but in opposite direction.

Number 2 and 3 are incorrect because, because the third law of Newton says "an equal and opposite reaction", not slightly more or less.

Number 4 is wrong, it is not in agreement with Newton's third law of motion.

5 0
3 years ago
When 33.3 grams of propane (C​3​H​8​) undergoes combustion, what is the theoretical yield of water in grams? The molar mass of p
aev [14]
C3H8+ 5 O2 --> 3 CO2 + 4 H2O
44 g. --------> 72 g
33.3 g. --------> x
x =  \frac{33.3 \times 72}{44} \\ x = 54.5 \: g
Answer: The theoretical yield of H2O is 54.5
3 0
3 years ago
Read 2 more answers
The Atomic mass if hydrogen us 1.008 amu. The reason that this value is not a whole number is that
o-na [289]

Answer:

I'm pretty sure its c

Explanation:

3 0
3 years ago
(a) Given that Ka for acetic acid is 1.8 X 10^-5 and that for hypochlorous acid is 3.0 X 10^-8, which is the stronger acid? (b)
Gala2k [10]

Answer:

HOAc is stronger acid than HClO

ClO⁻ is stronger conjugate base than OAc⁻

Kb(OAc⁻) = 5.5 x 10⁻¹⁰

Kb(ClO⁻) = 3.3 x 10⁻⁷

Explanation:

Assume 0.10M HOAc => H⁺ + OAc⁻  with Ka = 1.8 x 10⁻⁵

=> [H⁺] = √Ka·[Acid] =√(1.8 x 10⁻⁵)(0.10) M = 1.3 x 10⁻³M H⁺

Assume 0.10M HClO => H⁺ + ClO⁻ with Ka = 3 x 10⁻⁸

=> [H⁺] = √(3 x 10⁻⁸)(0.10)M = 5.47 x 10⁻⁵M H⁺

HOAc delivers more H⁺ than HClO and is more acidic.

Kb = Kw/Ka, Kw = 1 x 10⁻¹⁴

Kb(OAc⁻) = 5.5 x 10⁻¹⁰

Kb(ClO⁻) = 3.3 x 10⁻⁷

4 0
3 years ago
Which of these statements best identifies the particle that is labeled with an X?
kvv77 [185]
It is either a proton or a neutron
4 0
3 years ago
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