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4 years ago

What is the maximum kinetic energy of an ejected electron if silver metal is irradiated with 224 nm light? The

1 answer:

3 0

Answer:The maximum kinetic energy KEe of ejected electrons (photoelectrons) is given by KEe=hf−BE KE e = h f − BE , where hf is the photon energy and BE is the binding energy (or work function) of the electron to the particular material.

Explanation:

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How does a graph show a runner at rest?

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it goes from a high point to a low point back to a high point or vice versa.

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3 years ago

A wide mouthed container used to transport , heat or store substances?

8090 [49]

Well....a beaker fits your description. It can store substances, you can heat substances on it and you can transport substances with it.

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3 years ago

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Glucose, C6H12O6, is used as an energy source by the human body. The overall reaction in the body is described by the equation C

Crank

Answer:

70.3824 grams of carbondioxide is produced.

Explanation:

$C_6H_{12}O_6(aq)+6O_2(g)⟶6CO_2(g)+6H_2O(l)$

Moles of glucose = $\frac{48.0 g}{180 g/mol}=0.2666 mol$

According to reaction 1 mole of glucose reacts with 6 mole of oxygen gas.

Then 0.2666 mol of gluocse will reactwith :

$\frac{6}{1}\times 0.2666 mol =1.5996 mol$ of oxygen

Mass of 1.5996 moles of oxygen gas:

$1.5996 mol\times 32 g/mol = 51.1872 g$

51.1872 grams of oxygen are required to convert 48.0 grams of glucose to $CO_2$ and $H_2O$ .

According to reaction, 1 mol, of glucose gives 6 moles of carbon dioxide.

Then 0.2666 moles of glucose will give:

$\frac{6}{1}\times 0.2666 mol =1.5996 mol$ of carbon dioxide

Mass of 1.5996 moles of carbon dioxide gas:

$1.5996 mol\times 44 g/mol = 70.3824 g$

70.3824 grams of carbondioxide is produced.

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3 years ago

Larissa pumps up a soccer ball

Alex73 [517]

Whats the question ? all you said was she pumps up a soccer ball

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4 years ago

What is the polystyrene?

Marta_Voda [28]

Answer:

Polystyrene is a versatile plastic used to make a wide variety of consumer products.

Explanation:

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2 years ago

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