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barxatty [35]
4 years ago
9

A neutral atom becomes a negatively charged ion by __________ electrons

Chemistry
1 answer:
Inessa [10]4 years ago
8 0
A neutral atom becomes a negatively charged ion by accepting electrons.
For example:
F + e⁻ → F⁻
S + 2e⁻ →S²⁻
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In a unimolecular reaction with seven times as much starting material as product at equilibrium, what is the value of keq?
Kitty [74]

<em>K</em>_eq = 0.14

The chemical equation is  

A ⇌ B

The equilibrium constant expression is

<em>K</em>_eq = [B]/[A]

If [A] = 7[B]

<em>K</em>_eq = [B]/{7[B]}= 1/7 = 0.14

6 0
4 years ago
Which of the following are characteristics of stratovolcanoes? Select all that apply.
qaws [65]

Answer:

More common near convergent boundaries

Explosive Eruptions

Low Viscosity Magma

Explanation:

Hot spots like hawaii are better known for shield volcanoes. The magma is high viscosity which causes them to build pressure before erupting, leading to explosive eruptions.

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2 years ago
What is Absolute Zero?
PolarNik [594]
At the physically impossible-to-reach temperature of zero<span> kelvin, or minus 459.67 degrees Fahrenheit (minus 273.15 degrees Celsius), atoms would stop moving. As such, nothing can be colder than </span>absolute zero<span> on the Kelvin scale</span>
8 0
3 years ago
Read 2 more answers
How many liters of oxygen are released from the decomposition of 36.5 grams of hydrogen peroxide at STP?
yuradex [85]

Answer:

12 liters of oxygen are released from the decomposition of the peroxide.

Explanation:

The hydrogen peroxide is decomposed by this reaction:

2 H₂O₂ (l) → 2 H₂O (l) + O₂ (g)

Molar mass H₂O₂ = 34 g/m

Moles of peroxide: 36.5 g / 34 g/m = 1.07 moles

Ratio is 2:1, so 2 moles of peroxide will be decomposed in 1 mol of oxygen (exactly the half)

1.07 moles of peroxide will be decomposed in the half of moles, 0.54 moles

Let's apply the Ideal Gases law Equation to solve the volume

1 atm . V = 0.54 mol . 0.082 .273K

V = (0.54 mol . 0.082 .273K) / 1 atm → 12L

8 0
3 years ago
A point has no demension.​
Natalka [10]

Answer:

A point is a 0-D object, infinitely small.

Explanation:

6 0
3 years ago
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