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3 years ago

When an atom loses electrons it undergoes ____.

Chemistry

2 answers:

Juliette [100K]3 years ago

5 0

Answer: oxidation

Explanation: it's the process of when an atom loses electrons.

Karo-lina-s [1.5K]3 years ago

3 0

When a atom loses electrons it becomes a ion

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An x-ray has a wavelength

goldfiish [28.3K]

Answer:

Explanation:

For electromagnetic waves frequency X wavelength = speed of light

f * 2.2 x 10^-11 = 3 x 10^8 m/s

f = 3 x 10^8 / 2.2 x 10^-11

= 1.36 x 10 ^19

= 1.4 x 10^19 with two significant digits

5 0

2 years ago

Destruction of mountains can lead to what

Zina [86]

Answer:

liquid magma

Explanation:

6 0

3 years ago

How many moles of oxygen must be placed

umka21 [38]

Answer: 0.245 moles of oxygen must be placed in the container to exert the given pressure at the given temperature. The Ideal Gas Law equation gives the relationship among the pressure, volume, temperature, and moles of gas.

Further Explanation:

The Ideal Gas Equation is:

$PV = nRT$

where:

P - pressure (in atm)

V - volume (in L)

n - amount of gas (in moles)

R - universal gas constant $0.08206 \frac{L-atm}{mol-K}$

T - temperature (in K)

In the problem, we are given the values:

P = 2.00 atm (3 significant figures)

V = 3.00 L (3 significant figures)

n = ?

T = 25.0 degrees Celsius (3 significant figures)

We need to convert the temperature to Kelvin before we can use the Ideal Gas Equation. The formula to convert from degree Celsius to Kelvin is:

$Temperature \ in \ Kelvin = Temperature\ in \ Celsius \ + \ 273.15$

Therefore, for this problem,

$Temperature\ in \ K = 25.0 +273.15\\Temperature\ in \ K = 298.15$

Solving for n using the Ideal Gas Equation:

$n \ = \frac{PV}{RT}\\n \ = \frac{(2.00 \ atm) \ (3.00 \ L)}{(0.08206 \ \frac{L-atm}{mol-K})( 298.15 \ K)} \\n \ = 0.245 \ mol$

The least number of significant figures is 3, therefore, the final answer must have only 3 significant figures.

Learn More

1. Learn more about Boyle's Law brainly.com/question/1437490

2. Learn more about Charles' Law brainly.com/question/1421697

3. Learn more about Gay-Lussac's Law brainly.com/question/6534668

Keywords: Ideal Gas Law, Volume, Pressure

4 0

3 years ago

Which balance is a centigram balance? <br> A <br> Or <br> B

MaRussiya [10]

I think it is B because you didn’t type the options

5 0

3 years ago

Hich sentence most accurately describes electrically charged objects?

Ket [755]

Answer:

They attract or repel other charged objects without touching them.

Explanation:

My chemistry teacher always says like repels like opposite attracts.

4 0

3 years ago

Read 2 more answers