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kipiarov [429]
3 years ago
5

Which of the following is a compound machine?

Chemistry
2 answers:
uysha [10]3 years ago
5 0
Fortnite car obviously
tangare [24]3 years ago
5 0

Answer: I think it is a bicycle

Explanation: A bicycle has many parts

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Using bond lengths in Table 9.2 (p. 371) and assuming ideal geometry, calculate each of the following distances:
Fed [463]

<u>158 pm</u> is the distance Between equatorial Fluorine atoms in PF₅<u>(</u>Phosphorus pentafluoride).

<h3>What is Fluorine?</h3>

The chemical element fluorine has an atomic number of 9 and the symbol F. The lightest halogen, it is an extremely poisonous, pale yellow diatomic gas under normal conditions. It is exceedingly reactive and, as the most electronegative element, reacts with all other elements with the exception of argon, neon, and helium.

Fluorine is the 24th most abundant element overall and the 13th most abundant on Earth. In order to decrease the melting temperatures of metal ores for smelting, fluorite, the main mineral source of fluorine, was added. The Latin verb fluo, which means "flow," gave the mineral its name. Fluorite was first described in 1529.

Learn more about fluorine

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7 0
2 years ago
If a gas is kept in a container with a constant volume and the pressure is reduced, how will the temperature of the gas be affec
3241004551 [841]

Answer:

The pressure law states that for a constant volume of gas in a sealed container the temperature of the gas is directly proportional to its pressure. ... This means that they have more collisions with each other and the sides of the container and hence the pressure is increased.

6 0
3 years ago
Our current model of a chemical bond is to think of it as an electrical interaction between what two parts of an atom
Nikitich [7]

Answer:

Explanation:

It involves the thinking of it as an electrical interaction between the positively charged part of an atom and the negatively charged part as well. Succinctly put, the interaction between the proton of an atom and the electron of an atom.

The relationship between these two sub atomic particles is one of the basis for many chemical bonding, and this is inclusive of all the bonds there exist. Hydrogen, Electrovalent and even Covalent bondings to mention but a few

5 0
3 years ago
What is happening to the temperature of the substance BEFORE AND AFTER the phase changes?
Neporo4naja [7]
First off, you must realize that the phase changes are marked by the points B and D on the graph. They are level because all of the energy (or heat) being added is being consumed by the physical process. So The temperature is increasing before the phase change, and after the phase change. The moments before and after are represented by points A, C, and E.
5 0
3 years ago
What is the volume of a sample of iron that has a mass of 275.1 g? The
marshall27 [118]

Answer:

35cm

Explanation:

d=m/v

7.86=275.1/v

7.86v=275.1

v=275.1/7.86

v=35cm

4 0
3 years ago
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