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2 years ago

If u answer this correctly I’ll mark you brainliest

Chemistry

2 answers:

olga2289 [7]2 years ago

4 0

Answer:

6 is the right answer I know cause I like science

erma4kov [3.2K]2 years ago

4 0

Answer:

<h2>There are 6 of these molecules. H2O is a molecule made of H for hydrogen and O for oxygen. There are 12 of these molecules. The smaller number is the number of atoms of the element to the left of it.</h2>

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A student makes the following two claims about chemical reactions:

Svet_ta [14]

I would agree with the second one, not the first. You can't always see the chemical reaction, and it isn't always sudden. But the second claim is true.

7 0

3 years ago

A container with two gases, helium and argon, is 30.0% helium. Calculate the partial pressure of helium and

iVinArrow [24]

Answer:

helium=1,2atm

argon=2,8atm

Explanation:

partial is pressure exerted by each gas in a system since 30% is helium it means 70% is argon

argon =70%x4

helium=30%4

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2 years ago

The rapid movement of gases molecules can be explained because gases have blank size and exert blank attraction for other gas pa

adoni [48]

D. is the right answer

3 0

3 years ago

When two ionic compounds are dissolved in water, a double replacement reaction can... Group of answer choices occur if two of th

sergey [27]

Answer:

occur if two of the ions form an insoluble ionic compound, which precipitates out of solution

Explanation:

When two ionic compounds are dissolved in water, a double replacement reaction takes place if two of the ions form an insoluble ionic compound, which precipitates out of solution. In double displacement reaction ions switch partners. And hence, produce an insoluble precipitate.

5 0

3 years ago

Which chemical property deals with the ability of a substance being able to

Fantom [35]

$\large\underline{\bf\red{Solution:-}}$

The chemical property deals with the ability of a substance being able to burn is called combustibility [ option b ] .

More to know :-

1) Combustion :-

Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives out heat.

The fuel can be any one of the 3 states of matter that is - solid , liquid & gases .

Examples of combustible substances :-

Solid - Coal

Liquid - Petrol , Disel , etc.

Gas - Hydrogen , Oxygen , etc .

5 0

3 years ago

Read 2 more answers