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likoan [24]
3 years ago
13

What is the charge on an electron? –1 0 +1 +2

Chemistry
2 answers:
Vladimir [108]3 years ago
5 0
An electron is a negative particle, so the answer is -1
Flauer [41]3 years ago
4 0

Answer : The charge on an electron is -1.

Explanation :

Electron is a subatomic particle whose symbol is e^-.

The electrical charge on an electron is negative.

The electron was discovered by the J.J. Thomson.

The mass of an electron is 9.1\times 10^{-31}Kg.

The charge on electron and proton is equal but opposite.

Neutron has zero charge and proton has +1 charge.

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Why is water (h2o) considered to be a polar molecule?
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A water molecule, because of its shape, is a polar molecule.
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A Venus Flytrap is a carnivorous plant, meaning it undergoes photosynthesis for food but also consumes insects for nutrients. In
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A certain gas is present in a 15.0 LL cylinder at 2.0 atmatm pressure. If the pressure is increased to 4.0 atmatm the volume of
Helga [31]

Explanation:

According to Boyle's law,  pressure of a gas is inversely proportional to its volume at constant temperature and moles.

Mathematically,       P = \frac{k}{V}

where,     k = proportionality constant

Also, formula for initial pressure and volume is as follows.

              P_{i} = \frac{k_{i}}{V_{i}}

or,           k_{i} = P_{i} \times V_{i}

                          = 2 atm \times 15 L

                          = 30 atm L

Now, we will calculate the value of k_{f} as follows.

             k_{f} = P_{f} \times V_{f}

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6 0
3 years ago
A car tire has a pressure of 2.38 atm at 15.2 c. If the pressure inside reached 4.08 atm, the tire will explode. How hot would t
stich3 [128]

The correct answer is 221.06 °C hot.  

If P₁ is the pressure at T₁ and P₂ is the pressure at T₂ then,  

P₁/T₁ = P₂/T₂

It is given that P₁ = 2.38 atm

T₁ = 15.2 degree C = 273 + 15.2 = 288.2 K

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T₂ = x

Thus, 2.38 / 288.2 = 4.08 / x  

x = (4.08 × 288.2) / 2.38  

x = 494.06 K

x = 494.06 - 273 °C = 221.06 °C

Therefore, the tire would get 221.06 °C hot.  

8 0
2 years ago
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