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Olin [163]
3 years ago
13

Using the picture below, compare and contrast the plant cell and the animal cell (What do they have different? What do they have

in common

Chemistry
1 answer:
STALIN [3.7K]3 years ago
6 0

Answer:

Animal cell lacks chloroplasts and a cell wall

Explanation:

Unlike animal cells, plant cells have chloroplasts and a cell wall. In a plant cell, the chloroplasts work to use photosynthesis in order to turn light into energy for the plant cell. Animal cells do not utilize light energy, and therefore do not carry out photosynthesis and do not have chloroplasts.

Additionally, the plant cell has a protective cell wall and a cell membrane, while animal cells only have a cell membrane. This is because the plant cells' cell wall provides additional strength and protection against outside factors, such as osmosis.

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It is so that you know how far something is from something else, it's a measurement thing.
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4 years ago
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Manganese is a transition metal. Consider the isotope: Mn-53. How many protons are in an atom of Mn-53 if the atom has a charge
Leokris [45]

Answer:

25

Explanation:

Isotopes of an element are the same element with different mass numbers but the same atomic number or the number of protons.

we know that in a balanced atom

Number of electrons = Number of protons = Atomic number

Atomic number (z) of manganese = 25

For Mn+5, the number of protons remains the same = 25

However, the number of electrons on Mn+5 = 21

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3 years ago
Who were the Native Americans ?
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3 years ago
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What is the percent by volume of alcohol, in a solution containing 24 mL of alcohol dissolved in 90 mL of water?
Dmitry [639]

Answer:

use this formula it will help u .

Explanation:

If 60 ml of ethanol is diluted to a final volume of 400 ml, you create a 35 % ethanol solution.

First, realize that you creating a solution with that contains a polar solute (ethanol) with a polar solvent (water). Remember that "like dissolves like."

If you pour 60 ml of ethanol in a volumetric flask, you add 340 ml of water to dilute this solution to a final volume of 400 ml.

Volumetric flasks are designed to make or dilute solutions to specified final volume.

Since you have 60 ml of ethanol in a total solution of 400 ml, the percentage of ethanol is 35 %.

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3 0
3 years ago
Which of the following chemical equations depicts a balanced chemical reaction?
Deffense [45]

Answer:

D.) 2 H₂ + O₂ -----> 2 H₂O

Explanation:

An equation is balanced when there is an equal amount of each element on both sides of the reaction. If these amounts are unequal, coefficients can be added to modify the amount of particular molecules.

A.) Not balanced

2 H₂ + 2 O₂ -----> H₂O

<u>Reactants</u>: 4 hydrogen, 4 oxygen

<u>Products</u>: 2 hydrogen, 1 oxygen

B.) Not balanced

2 H₂ + 2 O₂ -----> 2 H₂O

<u>Reactants</u>: 4 hydrogen, 4 oxygen

<u>Products</u>: 4 hydrogen, 2 oxygen

C.) Not balanced

H₂ + O₂ -----> H₂O

<u>Reactants</u>: 2 hydrogen, 2 oxygen

<u>Products</u>: 2 hydrogen, 1 oxygen

D.) Balanced

2 H₂ + O₂ -----> 2 H₂O

<u>Reactants</u>: 4 hydrogen, 2 oxygen

<u>Products</u>: 4 hydrogen, 2 oxygen

3 0
2 years ago
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