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NikAS [45]
3 years ago
10

according to newtons law of universal gravitation, how are gravitational force and the distance between objects related

Chemistry
1 answer:
GrogVix [38]3 years ago
3 0

Answer:

they are inversly related

Explanation:

As the force increases distance decreases .They are related with an equation

F= Gm1×m2/r^2

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ddd [48]

Answer:

what? what's the full question?

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3 years ago
What are the concentrations of Cu2+, NH3, and Cu(NH3)42+ at equilibrium when 18.8 g of Cu(NO3)2 is added to 1.0 L of a 0.800 M s
Svetllana [295]

Answer:

Explanation:

Cu(NO₃)₂ + 4NH₃ = Cu(NH₃)₄²⁺  + 2 NO₃⁻

187.5 gm      4M           1 M

187.5 gm reacts with 4 M ammonia

18.8 g     reacts with  .4 M ammonia

ammonia remaining left after reaction

= .8 M - .4 M = .4 M .

187.5 gm reacts with 4 M ammonia   to form 1 M Cu(NH₃)₄²⁺

18.8 g reacts with .4 M ammonia  to form 0.1 M Cu(NH₃)₄²⁺  

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concentration of ammonia will be .4 M

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3 0
3 years ago
Which of the three substances has the greatest porosity?
MArishka [77]
<h2>Answer:</h2>

<u>Most porous is gravel</u>

<h2>Explanation:</h2>

Porosity tells us how much water rock or soil can retain. It tells us about the spaces among the grains. Gravel is more bigger than sand or silt. Its grains are arranged in such a manner that their integral spaces are very bigger so they are more porous. Clay is the most porous but since it is not mentioned in the option so after clay comes the gravel. Usually gravel and sand has equal porosity.

7 0
3 years ago
Read 2 more answers
What is the potential energy of 4kg object sitting on a 3m ledge?
bagirrra123 [75]
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And now:

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6 0
3 years ago
In order to have a positive charge, an atom must have ________. In order to have a positive charge, an atom must have ________.
son4ous [18]

Answer:

C

Explanation:

The charge on an atom depends on the number of protons and electrons present in it. The protons in an atom are positively charged while electrons have a negative charge. For a neutral atom, the number of protons balances the number of electrons. for a negatively charged atom, the number of electrons is more than the number of protons. for a positively charged atom , the number of protons are more than the number of electrons.

6 0
3 years ago
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