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frez [133]
3 years ago
11

Which statement is true of the motion of the ball?

Chemistry
1 answer:
Pepsi [2]3 years ago
3 0
Your answer would be answer choice D. The ball is accelerating as the velocity is increasing at a constant rate.

Hope this helps,
♥<em /><em>A.W.E.<u>S.W.A.N.</u></em>♥

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Approximately, how many national parks are there in the United States? a. 25 b. 50 c. 120 d. 474
Len [333]
B, I would believe. There are 58, but B is the closest we can get.
7 0
3 years ago
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How many Mg atoms are presented in 3.00 moles of MgCl2
ella [17]

Answer:

1.81 x 10²⁴ atoms

Explanation:

To find the number of atoms in the given number of moles, we need to understand that every substance contains the Avogadro's number of particles.

More appropriately, a mole of any substance will contain the Avogadro's number of particles which is 6.02 x 10²³ atoms

 So;

           If 1 mole of a substance  = 6.02 x 10²³ atoms;

               3 mole of MgCl₂ will contain 3 x 6.02 x 10²³ = 1.81 x 10²⁴ atoms

3 0
3 years ago
Which statement is correct regarding the reaction below? 3A + 2B yields C + 2D The rate of formation of D is twice the rate of d
Vedmedyk [2.9K]

Answer:

The correct statements are:

The rate of disappearance of B is twice the rate of appearance of C.

Explanation:

Rate of the reaction is a change in the concentration of any one of the reactant or product per unit time.

3A + 2B → C + 2D

Rate of the reaction:

R=-\frac{1}{3}\times \frac{d[A]}{dt}=-\frac{1}{2}\times \frac{d[B]}{dt}

-\frac{1}{3}\times \frac{d[A]}{dt}=\frac{1}{1}\times \frac{d[C]}{dt}

-\frac{1}{3}\times \frac{d[A]}{dt}=\frac{1}{2}\times \frac{d[D]}{dt}

The rate of disappearance of B is twice the rate of appearance of C.

\frac{1}{1}\times \frac{d[C]}{dt}=-\frac{1}{2}\times \frac{d[B]}{dt}

2\times \frac{1}{1}\times \frac{d[C]}{dt}=-\frac{1}{1}\times \frac{d[B]}{dt}

8 0
3 years ago
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What is the total number of atoms in ammonium hydroxide?<br> I will give Brainliest! :)
Karo-lina-s [1.5K]

Answer:Ammonia is a compound that contains one nitrogen atom and three hydrogen atoms. Ordinarily having a characteristic of a pungent and gaseous compound.

Elemet: Hydrogen, Symbol: H, # of Atoms:5

Elemet:Nitrogen, Symbol: N, # of Atoms:1

Elemet:Oxygen, Symbol: O, #of Atoms:1

Explanation:

6 0
2 years ago
What agent of weathering is acid precipitation?
Alona [7]
It would be considered acid rain in the sense of dew fall
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