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lina2011 [118]
3 years ago
12

If the distance between two objects is increased, the gravitational force will _____.

Chemistry
2 answers:
soldier1979 [14.2K]3 years ago
8 0

Answer:

Decrease by the distance squared

Explanation:

Decrease by the distance squared

Mila [183]3 years ago
7 0

Answer:

Decrease by the distance squared

Explanation:

<u><em>Gravitation formula:</em></u>

F=\frac{GMm}{r^{2}}

where

'F' is the force of attraction between the two bodies (Gravitational force),

'G' is the universal gravitational constant,

'M' is the mass of the first object,

'm' is the mass of the second object and

'r'  is the distance between the centers of each object.

Hence, with the increase by distance between two objects , the gravitation decreases by the distance squared

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In a single replacement reaction between 2.57 moles Aluminum and 3.59 moles of Hydrochloric acid, how many moles of Hydrogen can
Alenkasestr [34]

Answer:

1.795 mole of H2.

Explanation:

Step 1:

The balanced equation for the reaction. This is given below:

2Al + 6HCl —> 2AlCl3 + 3H2

Step 2:

Determination of the limiting reactant.

From the balanced equation above,

2 moles of Al reacted with 6 moles

Therefore, 2.57 moles of Al will react with = (2.57 x 6)/2 = 7.71 moles of HCl.

From the calculation made above, it will require a higher amount of HCl than what was given to react completely with 2.57 moles of Al. Therefore, HCl is the limiting reactant and Al is the excess reactant.

Step 3:

Determination of the number of mole H2 produced from the reaction.

Here, we shall be using the limiting reactant because it will produce the maximum yield of the reaction since all of it were consumed by the reaction.

The limiting reactant is HCl and the amount of H2 produce can be obtained as follow:

From the balanced equation above,

6 moles of HCl reacted to produce 3 moles of H2.

Therefore, 3.59 moles of HCl will produce = (3.59 x 3)/6 = 1.795 mole of H2.

From the calculations made above, 1.795 mole of H2 is produced from the reaction.

5 0
3 years ago
Matthew added a sample of sodium chloride to water and
viktelen [127]

Answer:

11.45

Explanation:

The ph is just 14-pOH so

14-2.55=ph=11.45

3 0
2 years ago
What is the Domain with four kingdoms or organisms that have cells with nuclei?
blondinia [14]
Wym kingdom? I dont get it

3 0
2 years ago
How much heat is required to change the temperature of 100 grams of water from 25 to 55oc?
marysya [2.9K]
Hthe heat required  to change the temperfature  of 100 grams of water  from 25 to 55 c is calculated as below

Q(heat) = M(mass) x C(specific heat capacity) x delta T(change  in temperature)

M= 100 grams
C= 4.18 j/g/c
delta T= 55-25 =30c

Q=100 g x4.814 j/g/c x  30c = 12552  joules
5 0
2 years ago
Which statement identifies what happens when bonds are broken?
ololo11 [35]
The answer to this would be promptly A.
6 0
3 years ago
Read 2 more answers
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