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Arturiano [62]
3 years ago
11

QUESTION 1

Chemistry
1 answer:
umka2103 [35]3 years ago
5 0
B. Electricity
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The job the part does within organism is the
kramer
The answer it the function
7 0
3 years ago
Perform the following calculations and record your answers with the appropriate significant figures.
krok68 [10]

A=46.9

B=74.5

C=2.70

D=1.1

E=452.3

F=1.7

G=0.00016

6 0
2 years ago
PLEASE HELP ASAP!!! LOTS OF POINTS^^
Serggg [28]
1. An isomers, are molecules with<u> the same chemical formula</u> but <u>different structural formula.</u>

2. <span>Isomers of hexane are <u>skeletal isomers</u>. They have the same chemical formula (C</span>₆H₁₄)<span> but have different carbon chain and different chemical properties.
</span>There are five isomers of hexane.


Look at the attachment :)


5 0
3 years ago
H2O has a mc021-1.jpgHvap = 40.7 kJ/mol. What is the quantity of heat that is released when 27.9 g of H2O condenses?
babymother [125]

Energy released from changing the phase of a substance from the gas phase to liquid phase can be calculated by using the specific latent heat of vaporization. The heat of fusion of water at 0 degrees Celsius is 40.7 kJ/mol. Calculation are as follows:<span> </span>


Energy = 27.9 g (1 mol / 18.02 g) x 40.7 kJ/mol


Energy = 63.09 kJ


5 0
3 years ago
Read 2 more answers
What is the formula weight (amu) of the molecule H2O? Use atomic masses of H and O as 1.008 amu and 16.00 amu respectively. Repo
vaieri [72.5K]

Answer:

Formula weight of H₂O molecule is  18.02 amu.

Explanation:

Given data:

Formula weight of H₂O = ?

Atomic mass of H = 1.008 amu

Atomic mass of O = 16.00 amu

Solution:

Formula weight:

"It is the sum of all the atomic weight of atoms present in given formula"

Formula weight of H₂O = 2×1.008 amu + 1×16.00 amu

Formula weight of H₂O = 18.02 amu

Thus, formula weight of H₂O molecule is  18.02 amu.

6 0
3 years ago
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