All of the following are examples of minerals except __________.a. diamonds
b. bauxite
c. iron
d. timber
Answers
All the following are examples of minerals, except timber.
The correct option is d, timber.
What are minerals?
Minerals are solid chemical compounds that have fixed or definite chemical compositions.
Some minerals are calcium, phosphorus, bauxite, iron etc.
Our body needs a very little amount of minerals for the boy's growth.
Timber is wood, which is not a mineral.
Thus, the correct option is d. timber.
Learn more about minerals, here:
Answer: D. Timber
Explanation:
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A. the speed of the walkway multiplied by the speed at which she is walking
B. the speed of the walkway minus the speed at which she is walking
C. the speed of the walkway plus the speed at which she is walking
Answers
I think the answer is A.
A. the speed of the walkway multiplied by the speed at which she is walking
The speed she is walking accelerates her speed by the base speed of the walkway.
Answer:
The answer is C. the speed of the walkway plus the speed at which she is walking
Answers
10.1 g ------------ 100 g ( H₂O )
? g ------------- 100 g ( H₂O )
Mass of KClO₃ :
100 * 10.1 / 100
1010 / 100 = 10.1 g of KClO₃
hope this helps!
b. polyatomic ion
c. multivalent ion
d. electron ion
Answers
Answer:
The correct answer is option b, that is, polyatomic ion.
Explanation:
A molecular ion also called polyatomic ion refers to a charged chemical species comprising two or more atoms bonded covalently with each other. The polyatomic ions comprise two or more non-metallic atoms. An example of a polyatomic ion is an ion of nitrate that comprises one atom of nitrogen and three atoms of oxygen. As the atoms in a polyatomic ion are bonded covalently, they are considered to possess a single charged unit.
Answers
Answer: True
The great pacific garbage patch is a landfill of waste that is located between Hawaii and California. It is the biggest landfill in the world. This zone consists of large population of phytoplanktons and small fishes but it lacks large fishes and mammals. This zone is mainly occupied with plastics which floats over the surface of water. The eastern and western patch collectively called as the great pacific garbage patch. From the west coast the waste is discharged by the U.S and from the east coast the waste is discharged by the Japan.
Therefore, the statement pollution from many nations contributes to the Great Pacific Garbage Patch is true.
Answers
3.16g of
1 mole of
x moles of
The number of moles:
32.33g of
1 mole of
x moles of
The number of moles:
100g of
1 mole of
x moles of
Greetings,
n00nst00p :)
Answers
When a catalyst is added to a system the equilibrium concentration remains unchanged. A catalyst increases the activation energy of the forward reaction. The correct option is 2.
What is a catalyst?
A substance which increases the rate of a reaction without itself undergoing any permanent change chemically or quantitatively is defined as the catalyst and the phenomenon is known as the catalysis. It is believed that a catalyst usually participates in the chemical reaction and it speeds up.
In short, the catalyst lowers the energy barrier and thereby provides a different path of lower activation energy for the reaction so that the rate of the reaction increases.
A catalyst speeds up both the forward and backward reactions to the same extent and does not alter equilibrium constant. Thus it speeds up the attainment of equilibrium faster.
Thus the correct option is 2.
To know more about catalyst, visit;
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And increase the rate of the backward to the same extent thus not affecting equilibrium.