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likoan [24]
3 years ago
10

Of the following elements aluminum, magnesium, aluminum, silicon, and sodium which has the smallest atomic radius? Explain your

answer.
Chemistry
1 answer:
viktelen [127]3 years ago
7 0

Answer:

Sodium

Explanation:

Radius grows as you go down and to the right on the ptable.

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These nutrient classes can be divided into macronutrients (nutrients required in large quantities) and micronutrients (nutrients required in tiny quantities). Carbohydrates, proteins, lipids, fiber, and water are macronutrients, whereas vitamins and minerals are micronutrients.
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What is the density (g/mL) of an object that has a mass of 0.03 kg and occupies a volume of 25 mL?
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QUESTION 10
worty [1.4K]
I have no idea honestly I don’t remember I had it and I forgot it
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3 years ago
Tin(IV) sulfide, SnS2, a yellow pigment, can be produced using the following reaction.
Maksim231197 [3]

The theoretical yield of SnS_2 will be 4.20 grams while the percent yield will be 7.93%

<h3>How is yield calculated?</h3>

From the equation of the reaction, the mole ratio of SnBr_4 to Na_2S is 1:2.

Mole of 48.1 mL, 0.478 M  SnBr_4 = 0.478 x 48.1/100 = 0.023 mols

Mole of 48.8 mL, 0.160 M   Na_2S = 0.160 x 48.8/1000 = 0.0078 moles

SnBr_4Na_2S is the limiting reactant.

Mole ratio of  SnBr_4  and SnS_2 = 1:1

Equivalent mole of  SnS_2 = 0.023 moles

Mass of 0.023 noles SnS_2= 0.023 x 182.81 = 4.20 grams

With 0.0333 g of SnS_2 recovered, percent yield = 0.333/4.2 x 100 = 7.93%

More on yields of reactions can be found here: brainly.com/question/17042787

#SPJ1

Tin(IV) sulfide, SnS2, a yellow pigment, can be produced using the following reaction.

SnBr4(aq)+2Na2S(aq)⟶4NaBr(aq)+SnS2(s)

Suppose a student adds 48.1 mL of a 0.478 M solution of SnBr4 to 48.8 mL of a 0.160 M solution of Na2S.

1) Calculate the theoretical yield of SnS2. ;

2) The student recovers 0.333 g of SnS2. Calculate the percent yield of SnS2 that the student obtained.

7 0
2 years ago
Which of the following is NOT true about comparisons between analog and digital signals?
dolphi86 [110]

Answer:

Analog signals are used to convert sound waves into electronic signals.

Explanation:

i think i hope i helped :))

how is your day going?

8 0
3 years ago
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