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Alexeev081 [22]

3 years ago

7

Of the following transitions in the Bohr hydrogen atom, the ________ transition results in the emission of the lowest-energy pho

ton

1 answer:

Sladkaya [172]3 years ago

5 0

N=6 ——> n=1
hope this helps!

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Who know the answers for both of these or know were to get them from

pentagon [3]

Answer:

kdkekejdjejeneneenendjenejekeke do do do do do do d

8 0

2 years ago

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At STP, 32 grams of O2 would occupy the same volume as:

ludmilkaskok [199]

At STP 32 g of O₂ would occupy by the same volume as 4 g of He

<h3>Further explanation</h3>

Complete question

At STP 32 g of O₂ would occupy by the same volume as:

4.0 g of He
8.0 g of CH₄
64 g of H₂
32 g of SO₂

Standard Conditions

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters / mol.

So the gas will have the same volume if the number of moles is the same

mol of 32 grams of O₂ :

$\tt \dfrac{32}{32}=1$

He

$\tt mol=\dfrac{4}{4}=1$

CH₄

$\tt mol=\dfrac{8}{16}=0.5$

H₂

$\tt mol=\dfrac{64}{2}=32$

SO₂

$\tt mol=\dfrac{32}{64}=0.5$

<em>So mol of 4 g He = mol of 32 g O₂</em>

4 0

3 years ago

which number should be placed before F2 on the reactants side equation to make equation balanced? Xe + ___F2 > XeF4

Ivahew [28]

There are four F atoms on the products side.

Since two more F atoms are required on the reactant side, you multiply the number of F2 molecules by two.

So 2 should be placed in front of F2

3 0

3 years ago

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Two of the simplest compounds containing just carbon and hydrogen are methane and ethane. Methane contains 0.3357 g of hydrogen

Andreyy89

Let the ratio of grams of hydrogen per gram of carbon in methane be M, we know that:
M = 0.3357 g / 1 g

Next, lets represent the grams of hydrogen per gram of carbon in ethane be E. The final piece of information we have is:

M / E = 4/3

If we cross multiply,

3M = 4E

Now, substituting the value of M from earlier and solving for E,

E = (3 * 0.3357) / 4
E = 0.2518

There are 0.2518 grams of hydrogen per gram of carbon in ethane.

5 0

3 years ago

What is the product(s) of the reaction below?

Lesechka [4]

Answer:

is b

Explanation:

es la b porque estpy estudiando lo mismo

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3 years ago