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brilliants [131]
3 years ago
12

Which part of the cell does this illustration represent?

Chemistry
2 answers:
amm18123 years ago
7 0

The answer is B. Mitochondria

It is the powerhouse of the cell

Ber [7]3 years ago
3 0

Answer:

B. Mitochondria

Explanation:

The answer is Mitochondria. They are organelles found in eukaryotic cells, made up from a matrix and two membranes. The main function of the mitochondria is <em>cellular respiration</em>, in which energy is produced. This is why they are considered <u>the powerhouse of the cell</u>.

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Which of the answer choices best describes elements?
lianna [129]
It can be a compound or a single element. An element is a pure substance that cannot be separated into simpler substances by chemical or physical means. There are about 117 elements, butcarbon, hydrogen, nitrogen and oxygen are only a few that make up the largest portion of Earth.

I would say d.
4 0
3 years ago
A gas is contained in a thick-walled balloon. When the pressure change from 100 kPa to 90.0 kPa, the volume changes from 2.50 L
Orlov [11]
The  temperature  change is   calculated using the  combined  gas law
that  is P1V1/T1  =P2V2/T2
P1=  100KPa
P2=90kpa
v1= 2.50 L
v2= 3.75 L
T1= 303 K
T2=?

T2  is  therefore  =  P2V2T1/P1V1
=( 90  x 3.75  x303)/  (100  x2.50) =  409.05  K
3 0
3 years ago
Read 2 more answers
PLZ HURRY
zalisa [80]

f

because sun dont orbits


7 0
4 years ago
When we put elements on the periodic table we use the______<br> mass.
vaieri [72.5K]

Answer:

They are placed on the periodic table based on their atomic number.

Explanation:

In the chemistry table, you can find the molecular mass and atomic number. Atomic number represents the number of the protons of an atom, and molecular mass represents the mass of the atom. The mass of an atom is made from proton and neutron. The element is made by arranging it based on the number of protons, which was the atomic number.

5 0
3 years ago
Read 2 more answers
Asapp please
guapka [62]

The empirical and  molecular formula : C₂₁H₂₂N₂O₂

<h3>Further explanation</h3>

Given

The percent composition of an unknown substance is 75.42% Carbon, 6.63 % Hydrogen, 8.38 % Nitrogen, and 9.57 % Oxygen

Required

The empirical and  molecular formula

Solution

C : 75.42 : 12 = 6.285

H : 6.63 : 1 = 6.63

N : 8.38 : 14 = 0.599

O : 9.57 : 16 = 0.598

Divide by 0.598

C : H : N : O = 10.5 : 11 : 1 : 1 = 21 : 22 : 2 : 2

The empirical formula : C₂₁H₂₂N₂O₂

(C₂₁H₂₂N₂O₂)n = 334

(334)n=334

n = 1

8 0
3 years ago
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