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kari74 [83]
3 years ago
15

How many molecules are present in this sample 0.423 mol co

Chemistry
1 answer:
riadik2000 [5.3K]3 years ago
6 0
That’s Correct thank you for the help
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Why is the periodic table shaped the way it is
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Properties and electron arrangement. Going down each column elements have similar properties and as they move left to right have the same number of electrons in their outer shell
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3 years ago
Question 116 g of sunflower oil is
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<h2>Answer:  125.41 mL</h2>

Explanation:

Volume = mass ÷ density

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<h3>A 116 g of sunflower oil of 0.925 g/mL has a volume of 125.41 mL.</h3>
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What is the chemical reaction of aluminum and ferric oxide to produce iron and aluminum oxide?
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Answer:

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2 years ago
Balanced nuclear equation forces the alpha decay Po-210
Serjik [45]

Answer:

_{84}^{210}\text{Po} \longrightarrow \, _{82}^{206}\text{Pb} \, + \, _{2}^{4}\text{He}

Explanation:

Your unbalanced nuclear equation is:

_{84}^{210}\text{Po} \longrightarrow \, _{x}^{y}\text{Z} + \, _{2}^{4}\text{He}

The main point to remember in balancing nuclear equations is that the sums of the superscripts and the subscripts must be the same on each side of the equation.  

Then

 84 = x + 2, so x =  84 - 2 =   82

210 = y + 4, so y = 210 - 4 = 206

Element 82 is lead, so the nuclear equation becomes

_{84}^{210}\text{Po} \longrightarrow \, _{82}^{206}\text{Pb} \, + \, _{2}^{4}\text{He}

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3 years ago
In the water cycle diagram above, which letter represents
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Answer:t

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