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MrRa [10]
3 years ago
7

When Iron (III) Choride is added to a solution of synthesized aspirin what is the method of detection

Chemistry
1 answer:
zubka84 [21]3 years ago
3 0

Answer:

seeing the color change

Explanation:

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If a car jack's output force is 1000 N and the mechanical advantage is 6.8, what is the input force?
Travka [436]
Answer
147.06N
Explanation:
MA=Load/Effort
6.8=1000/x
Finding x you make x the subject and divide 1000 by 6.8 which is 147.06N
4 0
2 years ago
In the reaction 2Al2O3 → 4Al + 3O2, what is the mole ratio of aluminum to oxygen?
defon
2Al₂O₃ → 4Al + 3O₂

the mole ratio is 4:3
for every 4 Al, there must be 3 O₂ in order to make 2Al₂O₃

hope this helped at all
3 0
3 years ago
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What are isotopes please help
NikAS [45]

Answer:

Isotopes are atoms of the same element with the same number of protons but different number of neutrons.

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6 0
3 years ago
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Rank the following compounds in order of decreasing boiling point: potassium fluoride (KF), acetylene (C2H2), and formaldehyde (
otez555 [7]

Answer: KF > CH_2O > C_2H_2

Explanation:

The order of boiling point depends upon the type of interactions present between the molecules.

Potassium fluoride (KF) is an ionic compound and the opposite ions are held together by strong electrostatic forces.

C_2H_2 is a covalent compound and the molecules are held together by weak van der Waals' forces.

Formaldehyde is a polar compound due to presence of polar carbonyl group. Hence dipole-dipole force is present between formaldehyde molecules.

Thus the decreasing order of boiling point is:

KF > CH_2O > C_2H_2

8 0
3 years ago
Help please
Lana71 [14]

Answer:

Yes

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Based on the graph, nuclear energy is one of the least contributors of CO2 emissions.

You would support this source of energy .

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