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a_sh-v [17]
3 years ago
10

What is the overall shape of an atom

Chemistry
2 answers:
Black_prince [1.1K]3 years ago
6 0
The overall shape of an atom will be a chemical element or a nuclei
Anarel [89]3 years ago
6 0
Chemical element or nuclei :)
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What causes valley air to move up surrounding mountains during the day?
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Answer:

so the third one

Explanation:

During the day, the sun heats up mountain air rapidly while the valley remains relatively cooler. Convection causes it to rise, causing a valley breeze. At night, the process is reversed. During the night the slopes get cooled and the dense air descends into the valley as the mountain wind.

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Suppose that .625 mol HBr partially react with Li to give .278 mol H2. Determine the number of moles HBr remain. SHOW PROCESS, I
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Explanation:

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Consider these generic half-reactions. Half-reaction E° (V) X+(aq)+e−⟶X(s) 1.52 Y2+(aq)+2e−⟶Y(s) −1.17 Z3+(aq)+3e−⟶Z(s) 0.84 Ide
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     strongest oxidizing agent: X^{+}

     weakest oxidizing agent: Y^{2+}

     strongest reducing agent: Y

     weakest reducing agent: X

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Explanation:

The higher the reduction potential of a species, higher will be the tendency to consume electrons from another species. Hence higher will be the oxidizing power of it's oxidized form and lower will be the reducing power of it's reduced form.

Alternatively, higher reduction potential value suggests that the oxidized form of the species acts as a stronger oxidizing agent and the reduced form of the species acts as a weaker reducing agent.

Order of reduction potential:

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So, strongest oxidizing agent: X^{+}

     weakest oxidizing agent: Y^{2+}

     strongest reducing agent: Y

     weakest reducing agent: X

As reduction potential of the half cell X^{+}\mid X is higher than the reduction potential of the half cell Z^{3+}\mid Z therefore X^{+} will oxidize Z into Z^{3+} and itself gets converted into X.

     

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If your heart beats an average of 68 times per minute, how many times will your heart beat in an hour? In a day? In a week? Show
Georgia [21]
Per hour-68x60=4080
Per day-4080x24=97920
Per week-97920x7=685440
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3 years ago
Whick ions profuce similar colors in the flame tests?
arlik [135]

Ba2+ and Cu2+, and Sr2+ and Li+

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3 years ago
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