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3 years ago

Click on the event or events that led to the formulation of the cell theory

Chemistry

1 answer:

Alexandra [31]3 years ago

8 0

So back in 1665 Robert hook was able to view cells and describe them along with pictures, the reason he was able to see cells was because the microscope was invented a bit before, which allowed him to think about things differently, he was looking at a cork and saw squared objects, these objects were cells, according to him.

So while the cork was the reason he discovers cells on it in the first place,
The microscope was what allowed him to do that

So it’s (HOOKE LOOKING AT A CORK)
And it’s (THE INVENTION OF THE MICROSCOPE)

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Addition of 6 m hcl to which substance will not result in gas evolution?

saul85 [17]

There is no gaseous product when NaNO3 reacts with 6M HCl.

We must note that gas evolution is one of the signs that a chemical reaction has taken place. Hence, we must consider the options and look out for an option in which reaction with HCl does not lead to a gaseous product. This is the option that does not lead to evolution of a gas.

Let us consider the reaction; NaNO3(s) + HCl(aq) ---> NaCl(s) + HNO3(aq), there is no gaseous product hence NaNO3 does not result in gas evolution upon addition of 6M HCl.

Missing parts;

Addition of 6 M HCl to which substance will NOT result in gas evolution?

(A) Al

(B) Zn

(D) NaNO3

Learn more about evolution of gas: brainly.com/question/2186340

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2 years ago

Fran finds a dark-colored rock that she identifies as basalt. Which property gives the rock its dark color?

ser-zykov [4K]

Answer:

Augite or other dark-colored Pyroxene minerals

Explanation:

Basalt is given a dark color because it has a high amount of Augite and other dark-colored Pyroxene minerals.

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3 years ago

Which statements describe the relationship between the area and the bioversity

AveGali [126]

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2 years ago

Which type of formula represents the simplest whole-number ratio of atoms of the elements in a compound?

sleet_krkn [62]

The empirical formula represents the simplest whole number shows the simplest whole number ratio of atoms in a compound. An example of this is the empirical formula for glucose (C₆H₁₂O₆) is C₃H₆O₃.

I hope this helps. Let me know if anything is unclear.

5 0

3 years ago

Answer questions 2 and 3

nlexa [21]

Answer:

2:a-heterogenous

b-homogenous

c-heterogenous

d-heterogenous with water

3:Filtration is used to separate insoluble particles from a solution

Distillation is used to separate liquids with close but different boiling points e.g water and ethanol

Explanation:

2: homogenous mixtures form a uniform layer meaning that a mixture containing more than one layer is heterogenous

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3 years ago