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DochEvi [55]
3 years ago
14

What is an effect of gravity on objects on the surface of Earth? Check all that apply.

Chemistry
2 answers:
Flauer [41]3 years ago
9 0

Answer: The correct statements are:

  • Objects “fall” toward the center of Earth.
  • Objects accelerate at a rate of 9.8 m/s each second.
  • Objects are pulled by Earth more strongly than they pull on Earth.

Explanation:

The gravity of the earth is the force which attracts the object to the center of the earth. When the any object with mass falls under the action of the gravity attains the acceleration of 9.8 m/s^2.

  • Objects “fall” toward the center of Earth.
  • Objects accelerate at a rate of 9.8 m/s each second.
  • Objects are pulled by Earth more strongly than they pull on Earth.
dexar [7]3 years ago
6 0

Answer:

options 1 and 3 are correct. Objects “fall” toward the center of Earth. Objects accelerate at a rate of 9.8 m/s each second.

Explanation:

The reason option 5 is false is because of Newton's Third Law, stating that for every action, there is an equal and opposite reaction. So the action and reaction forces by the Earth and the object are equal to one another.

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How many elements have scientists discovered​
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Answer:

118

Explanation:

The discovery of the 118 chemical element known to exist us of 2021

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3 years ago
1. The forks shown are made of silver (Ag). Some of the silver forks
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Answer:

Corrosion

Explanation:

Silver, although known as a nobble metal, is also subject to corrosion process such as having silver tarnish when exposed to sulfur and air.

Tarnishing occurs on the surfaces of some metals such as brass, copper, and silver, which results in a corroded layer. Silver tarnish occurs from the chemical reaction that takes place when silver is exposed to sulfur which results in the formation of black Ag₂S

In order to restore the original silver surface, the silver tarnish (silver sulfide) layer is removed.

We have the statement presented here as follows;

The forks shown are made of silver (Ag). Some of the silver forks shown have lost their luster - they have become tarnished. This is an example of <u>Corrosion.</u>

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3 years ago
A fecal transplant can work to cure a patient infected with a very harmful bacteria, such as C. difficile.
Dmitrij [34]

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Explanation:

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3 years ago
What is the difference between chemical and physical change with respect
kozerog [31]

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Explanation:

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Read 2 more answers
Some oxides are given below. (i)Na2O (ii)NO2 (iii) CO2 (iv) MgO a) Which are the basic oxides among these? b) What is the name o
umka2103 [35]
<h3>Further explanation</h3>

Basic oxides ⇒ metal(usually alkali/alkaline earth) +O₂

L + O₂ ⇒ L₂O

L + O₂ ⇒ LO

Dissolve in water becomes = basic solution

L₂O+H₂O⇒ 2LOH

LO + H₂O⇒ L(OH)₂

So the basic oxides : Na₂O and MgO

Na₂O + H₂O⇒NaOH

MgO +H₂O⇒Mg(OH)₂

The aqueous solution of CO₂(dissolve in water)

CO₂ + +H₂O⇒ H₂CO₃(carbonic acid)

5 0
3 years ago
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