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sesenic [268]
3 years ago
12

Please help I have to finish this quiz, 15 points!!!​

Chemistry
1 answer:
DochEvi [55]3 years ago
3 0

Answer:

Earth is heated . . .

Explanation:

Radiation is certain substances moving at the speed of light

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Match the followings.
insens350 [35]

Answer:

Explanation:

Here, we are to copy and complete the paragraph with the correct options as given below in the question.

Before that, let us have an understanding of what a conversion factor is all about.

A conversion factor refers to a formula that is being used to change over an estimation in a given arrangement of units to its comparable estimation in another arrangement of units. Subsequently, the formula comprises both a number and its unit.

So;

\text{You can check that you have written the correct conversion factors for an }

\text{equality by looking at the numbers and units in each; the information on }

\text{one side of the equity appears in the of a conversion factor while the }

\text{information on the other side of the equity appears in the denominator.}

\text{To generate a second conversion factor, we "turn over" the first }

\text{conversion factor so the numbers and units in the numerator and }

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5 0
3 years ago
The reaction of hydrogen and iodine to produce hydrogen iodide has a Kc of 54.3 at 703 K. Given the initial concentrations of H2
pentagon [3]

Answer:

[HI] = 0.7126 M

Explanation:

Step 1: Data given

Kc = 54.3

Temperature = 703 K

Initial concentration of H2 and I2 = 0.453 M

Step 2: the balanced equation

H2 + I2 ⇆ 2HI

Step 3: The initial concentration

[H2] = 0.453 M

[I2] = 0.453 M

[HI] = 0 M

Step 4: The concentration at equilibrium

[H2] = 0.453 - X

[I2] = 0.453 - X

[HI] = 2X

Step 5: Calculate Kc

Kc = [Hi]² / [H2][I2]

54.3 = 4x² / (0.453 - X(0.453-X)

X = 0.3563

[H2] = 0.453 - 0.3563 = 0.0967 M

[I2] = 0.453 - 0.3563 = 0.0967 M

[HI] = 2X = 2*0.3563 = 0.7126 M

3 0
3 years ago
Which of the following is the fastest moving particle? Proton. Neutron. Electron?
deff fn [24]

Answer:

electron djdkshskdhfhfjdjsjsurbft

5 0
2 years ago
LUNCH TIME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
Oxana [17]
Lunch period is the best period
8 0
3 years ago
Read 2 more answers
Crystallization from cooling magma describes one way that _____.
puteri [66]
I think the correct answer would be minerals form. Crystallization is the process of forming crystals from solutions and is one way that minerals are formed in the nature. It is a solid-liquid type of separation. Hope this answers the question. Have a nice day.
3 0
4 years ago
Read 2 more answers
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