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nikitadnepr [17]
3 years ago
14

What conversion factor is present in almost all stoichiometry calculations?

Chemistry
1 answer:
luda_lava [24]3 years ago
8 0
<h3><u>Answer;</u></h3>

Molar mass

<h3><u>Explanation</u>;</h3>
  • Stoichiometry involves the study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction.
  • A conversion factor is a ratio of coefficients found in a balanced reaction, which can be used to inter-convert the amount of products and reactants.
  • Molar ratios, or conversion factors, identify the number of moles of each reactant needed to form a certain number of moles of each product.
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Arrange the elements in order of increasing atomic radius. Use the periodic table to help you.
Alexandra [31]

Answer:

F, S, Mg, Ba

Explanation:

Fluorine has a small atomic radius. These go up until Ba, which has a larger radius

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3 years ago
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A chemist prepares a solution of silver(I) nitrate by measuring out of silver(I) nitrate into a volumetric flask and filling the
leva [86]

Answer:

3.33 M

Explanation:

It seems your question is incomplete, however, that same fragment has been found somewhere else in the web:

" <em>A chemist prepares a solution of silver nitrate (AgNO3) by measuring out 85.g of silver nitrate into a 150.mL volumetric flask and filling the flask to the mark with water.</em>

<em>Calculate the concentration in mol/L of the chemist's silver nitrate solution. Be sure your answer has the correct number of significant digits.</em> "

In this case, first we <u>calculate the moles of AgNO₃</u>, using its molecular weight:

  • 85.0 g AgNO₃ ÷ 169.87 g/mol = 0.500 mol AgNO₃

Then we<u> convert the 150 mL of the volumetric flask into L</u>:

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Finally we <u>divide the moles by the volume</u>:

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4 0
3 years ago
Symptoms of a mental disorder are ways of
kkurt [141]

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Use the periodic table to determine the electron configuration for iodine (i). express your answer in condensed form.
Dovator [93]
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1S^2 2S^2 2P^6 3S^2 3P^6 4S^2 3d^10 4P^6 5S^2 4d^10  5P^5
when Krypton is the noble gas in the row above iodine in the periodic table,
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So we can write the electron configuration of Iodine:
[Kr] 5S^2 4d^10 5P^5

8 0
3 years ago
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lorasvet [3.4K]

In a food chain we arrange the energy in the form of a pyramid.

The producers are on the base of pyramid and then consumers are towards peak.

in the given food chain grass is being eaten by grasshopper which are food of birds.

Grasshoppers are also eaten up by Hawks. so both brids and hawks are feeding upon grasshoppers thus the amount of energy transferred from the grass to the grasshopper is the same as the amount of energy transferred from the grasshopper to the bird.

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