CHEMISTRY HIGH SCHOOL

How do i separate sugar from rice

Answers

Answer 1
Answer: If you're doing it at home you could use a strainer if it's holes are small enough. In chemistry classes, they have this shaker where you can change the size of the holes
Answer 2
Answer: im not sure but, you need a plastic spoon with tiny holes rice cant fit through, of but the rice and sugar in a bowl o water and take the rice out

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Each type of mineral has a chemical composition that isA. unique to that mineral
B. similar to other minerals
C. variable depending on where its found
D. influenced by heat and light

Answers

Answer: C. variable depending on where its found

The chemical compositions of minerals is very necessary in order to define or describe a certain mineral. Some minerals can be written in simple chemical formula while others are also written in complicated chemical formulas.

What part of the food chain is a zebra? Is it a producer, consumer, carnivore, herbivore, or omnivore?Thank you!

Answers

a zebra would be a herbivore as well as a primary consumer
consumer, herbivore.
hope that this helps you =)

Boyle's law deals what quantities?

Answers

Boyle's Law deals with pressure and volume: P1V1 = P2V2 where pressure and volume will have an inverse relationship

Most metals are not?

Answers

Most metals are not liquid at room temperature. They are typically solid and have a crystalline structure. Therefore, the correct option is option 3.

Metals are known for their high thermal and electrical conductivity, as well as their malleability and ductility. These properties allow metals to be shaped into various forms, such as wires and sheets, and conduct heat and electricity efficiently.

However, the majority of metals have a solid state at room temperature, with exceptions such as mercury, which is a liquid metal. The solid nature of metals is due to the metallic bonding between atoms, which involves the sharing of electrons within a sea of delocalized electrons.

Thus, the ideal selection is option 3.

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The complete question is -

Most metals are NOT-

Ductile

good conductors of heat and electricity,

liquid at room temperature,

malleable.
they are not liquid becuse they cant get spials.

Air is made up of different gases, such as oxygen, nitrogen, and carbon dioxide. Which statement best describes these three components of air? A)They are all classified as pure substances.

B)They cannot react with another substance.

C)They are chemically bonded to one another.

D)They can be classified as elements.

Answers

I think the correct answer from the choices listed above is option A. The three components of air are all classified as pure substances since they are not chemically bonded so they can be separated by certain processes and be present as a pure substance. Hope this answers the question.

The statement that best describes the three component of air is they are all classified as pure substances.

What are pure substances?

Pure substances are those substances which are made up of only one material and has specific and fixed structure. They are also called as elements.

Thus, the correct option is A) They are all classified as pure substances.

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If two gases react, compressing the gases generally_____the rate of reaction.

Answers

If two gases react, compressing the gases generally increases the rate of reaction.

What is Collision Theory ?

It states that a chemical reaction can occur the reacting particles must hit each other is called Collision theory.

What is a Chemical Reaction ?

A chemical reaction is a process in which the chemical bonds between atoms to break and reorganize, to form other new substances. In chemical reaction matter cannot be created or destroyed. It is called the law of conservation of mass.

Thus from the above conclusion we can say that If two gases react, compressing the gases generally increases the rate of reaction.

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compressing the gases generally accelerates the rate of reaction.  
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A piece of sodium metal reacts completely with water as follows: 2Na(s) + 2H2O(l) ⟶ 2NaOH(aq) + H2(g) The hydrogen gas generated is collected over water at 25.0°C. The volume of the gas is 246 mL measured at 1.00 atm. Calculate the number of grams of sodium used in the reaction. (Vapor pressure of water at 25°C = 0.0313 atm.)