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3 years ago

Write about similarities and the differences of the plant and animal cell

Chemistry

1 answer:

DENIUS [597]3 years ago

5 0

Answer:

Mark me as brainliest pls

Explanation:

similarities: Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal element

differences: A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. ... Animal cells simply have a cell membrane, but no cell wall.

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There are two alloys, one is 1 part silver and 5 parts copper and the other 3 parts silver and 1 part copper are mixed to form 3

borishaifa [10]

Lets make x equal the number times you use the 1/5 ratio alloy and y equal the number of times you use the 3/1 ratio alloy. You can make the equation (x+3y)-(5x+y)=0 and (x+3y)+(5x+y)=350
Then you can make the system of equation of:
-4x+2y=0 (this is y=2x)
6x+4y=350
You can make 6x+8x=350 by through substitution and solve of x.
14x=350
x=25 (which means y=50)

that means that the weight of the 1/5 ratio alloy is 150 pounds.
(25+(5x25))=150
the weight of the 3/1 ratio alloy is 200 pounds.
((50x3)+50)=200

I hope this helps.

3 0

3 years ago

Which one is true and which one is false

Mekhanik [1.2K]

In order top top to bottom
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7 0

4 years ago

What do scientists think happens in the core to produce the Earth's magnetic field?

Yakvenalex [24]

Answer:

I think it would be

A) The liquid iron and nickel outer core's motion in relation to the metallic solid inner core becomes a geodynamo.

4 0

3 years ago

Read 2 more answers

Part B Now that we have put a coefficient of 3 in front of CaSO4, what coefficient should go in front of CaCl2 to balance calciu

Jet001 [13]

Answer: The coefficient must be 3.

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

$CaSO_4+AlCl_3\rightarrow CaCl_2+Al_2(SO_4)_3$

The number of atoms of each element has to be same on both sides, thus the balanced chemical reaction will be:

$3CaSO_4+2AlCl_3\rightarrow 3CaCl_2+Al_2(SO_4)_3$

Thus a coefficient of 3 should go in front of $CaCl_2$ to balance calcium (Ca).

4 0

3 years ago

Why on moving from left to right in a period the chemical reactivity of element first decreases and then increases?

Helen [10]

This phenomenon is known as the periodic trends in reactivity. It occurs because of the arrangement of electrons in orbitals.

As one moves from left to right across a period, the number of electrons in the outermost shell increases. These outermost electrons are involved in chemical reactions.

Therefore, as the number of outermost electrons increases, the reactivity of the element increases. However, the elements have filled shells, so beyond a certain point, the outermost shell will be full.

The reactivity then decreases as the electrons are no longer available to take part in chemical reactions. Therefore, the reactivity of the elements decreases from left to right in a period and then increases as the outermost shell begins to fill up again.

To know more about orbitals, click below:

brainly.com/question/20319149

#SPJ4

4 0

2 years ago