Explain the formation of planets based on our knowledge of the solar system
Planets form from particles in a disk of gas and dust, colliding and sticking together as they orbit the star. The planets nearest to the star tend to be rockier because the star's wind blows away their gases and because they are made of heavier materials attracted by the star's gravity.
can you make hydroxychloroquine from grapefruit and lemon rinds
Hydroxychloroquine cannot be made from grapefruit and lemon rinds.
Hydroxychloroquine is not a natural compound, rather it can only be synthesized from quinoline molecule in the laboratories.
During the synthesis of hydroxychloroquine, several sequential chemical reactions and purifications are done.
Hydroxychloroquine is used in the treatment of:
malariasystemic lupus erythematosus, rheumatoid arthritisBut when grapefruit and lemon rinds are boiled in water, a natural chemical compound known as limonene is obtained.
Therefore, hydroxychloroquine cannot be made from grapefruit and lemon rinds,
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Bryan and Alyssa are playing tug-of-war against Daniel and Maria. Bryan and Alyssa are exerting a combined force of 10 N. Daniel and Maria are exerting 12 N of force.
Which of the following has resulted?
A.
a balanced force moving everyone in Daniel and Maria's direction
B.
a balanced force leaving everyone in the same place
C.
an unbalanced force moving everyone in Daniel and Maria's direction
D.
an unbalanced force moving everyone in Bryan and Alyssa's direction
The correct answer is Option (C) An unbalanced force moving everyone in Daniel and Maria's direction.
What is balanced force?The force which is opposite in direction and equal in size.A man pushing a wall is example of balanced force.What is unbalanced force?The force which changes the speed , position and direction of the object to which it is applied is known as unbalanced force ,Turning a cartwheel is an example of unbalanced force.
Why Other options are incorrect? Bryan and Alyssa are exerting a combined force of 10 N.Daniel and Maria are exerting 12 N of forceAs , a result the force applied by the Daniel and Maria is greater then the force applied by Bryan and Alyssa So the direction of Bryan and Alyssa changes.Hence , an unbalanced force moving everyone in Daniel and Maria's direction
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Using the periodic table, explain which pair of the following gases have the most similar properties and why. Nitrogen (N), Fluorine (F), Neon (Ne), Krypton (Kr), and Oxygen (O).
what are 5 different bases for birds
Answer:
adenine, guanine, cytosine, thymine, and uracil
Write the chemical formula for disilicon hexabromide.
Answer:
Br6Si2
Explanation:
The chemical formula for disilicon hexabromide is Si₂Br₆.
The chemical formula of a compound is a symbolic representation of its chemical composition.
Chemical formulae gives information about the elements that constitute the molecules of a compound and also about the ratio in which the atoms of these elements combine to form such molecules.
Every constituent component in a chemical formula is identified with its chemical symbol, along with the relative number of atoms that make up each element.
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