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3 years ago

Fill in the blanks below using vocabulary terms-reactants, products, limiting reactant, excess reactant.

Chemistry

1 answer:

slamgirl [31]3 years ago

7 0

Answer:

The vocabulary terms are in the correct order.

Explanation:

The substances that undergo chang are called reactants. They are what create the products. Reactants are on the left side of the equation while the products are on the right side of the equation. The new substances are called products. In other words, what is produced? The products are produced. The reactant that will be used up first is called a limiting reactant. Why? Because it is what limits the reaction. It determines how much products can be made. The reactant that is left over then, is called the excess reactant. That is what is left in excess and does not determine how much product is made.

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Part A:

uranmaximum [27]

Answer:

Part A = The mass of sulfur is 6.228 grams

Part B = The mass of 1 silver atom is 1.79 * 10^-22 grams

Explanation:

Part A

Step 1: Data given

A mixture of carbon and sulfur has a mass of 9.0 g

Mass of the product = 27.1 grams

X = mass carbon

Y = mass sulfur

x + y = 9.0 grams

x = 9.0 - y

x(molar mass CO2/atomic mass C) + y(molar mass SO2/atomic mass S) = 22.6

(9 - y)*(44.01/12.01) + y(64.07/32.07)

(9-y)(3.664) + y(1.998)

32.976 - 3.664y + 1.998y = 22.6

-1.666y = -10.376

y = 6.228 = mass sulfur

x = 9.0 - 6.228 = 2.772 grams = mass C

The mass of sulfur is 6.228 grams

Part B

Calculate the mass, in grams, of a single silver atom (mAg = 107.87 amu ).

Calculate moles of 1 silver atom

Moles = 1/ 6.022*10^23

Moles = 1.66*10^-24 moles

Mass = moles * molar mass

Mass = 1.66*10 ^-24 moles *107.87

Mass = 1.79 * 10^-22 grams

The mass of 1 silver atom is 1.79 * 10^-22 grams

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Answer:

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