3 years ago

Use the words protons neutrons and I suppose in the same sentence

Chemistry

1 answer:

PolarNik [594]3 years ago

5 0

Answer:

Isotopes have the same number of protons but a different number of neutrons.

Explanation:

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Combustion is an exothermic reaction where the reactants are combined with ____

Anna [14]

Answer:

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3 years ago

A gas at 400 k is placed in a 4.0 l moveable piston. The gas is cooled to 252 k. What is the new volume of the piston?

katrin [286]

Answer:

2.52L

Explanation:

Given parameters:

T₁ = 400K

V₁ = 4L

T₂ = 252K

unknown

V₂ = ?

Solution:

To solve this problem, we are going to apply charle's law. The law states that the volume of a fixed mass of gas is directly proportional to temperature provided pressure is constant.

Mathematically,

$\frac{V_{1} }{T_{1} } = \frac{V_{2} }{T_{2} }$

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3 years ago

What bonds are broken and octane combustion?

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Answer:

Common combustion reactions break the bonds of hydrocarbon molecules,

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the resulting water and carbon dioxide bonds always release more energy than was used to break the original hydrocarbon bonds. That's why burning materials mainly made up of hydrocarbons produces energy and is exothermic.

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2 years ago

5. The bond in a molecule of Cl2 could be described as

jenyasd209 [6]

the bond in a molecule of Cl2 is a covalent bond

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CH_3 CH_2 Cl has two different types of hydrogen. On further chlorination they are being substituted by chlorine to give two isomeric dichlorides

The structures of the two chlorides are shown below.

Where Hb is replaced by Cl and Ha is replaced by Cl

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3 years ago

Use the words protons neutrons and I suppose in the same sentence ​

Use the words protons neutrons and I suppose in the same sentence