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It is estimated that the day Mt. St. Helens erupted (May 18,1980 ), about $4.0 \times 10^{5}$ tons of $\mathrm{SO}_{2}$ were released into the atmosphere. If all the $\mathrm{SO}_{2}$ were eventually converted to sulfuric acid, how many tons of $\mathrm{H}_{2} \mathrm{SO}_{4}$ were produced?

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Chemistry 101

Chapter 3

Mass Relationships in Chemical Reactions

Chemical reactions and Stoichiometry

Carleton College

Drexel University

University of Maryland - University College

University of Kentucky

Lectures

04:02

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another. Chemical reactions can be either spontaneous, requiring no input of energy, or non-spontaneous, typically following the input of some type of energy, such as heat, light or electricity. Chemical reactions are usually characterized by a chemical change, and they yield one or more products after the reaction is complete. Chemical reactions are described with chemical equations, which symbolically present the starting materials, end products, and sometimes intermediate products and reaction conditions. Chemical reactions happen at a characteristic reaction rate at a given temperature and chemical concentration. Typically, reaction rates increase with increasing temperature because there is more thermal energy available to reach the activation energy necessary for breaking bonds between atoms.

08:02

In chemistry, a combination reaction is a chemical reaction in which two or more reactants combine to form more than one product. In a decomposition reaction, one reactant splits into two or more products.

04:03

It is estimated that the d…

03:16

The eruption of Mount St. …

01:21

Coal contains about $2.0 \…

03:17

In the early 20 th century…

01:46

A power plant burns $1.0 \…

06:09

As stated in the chapter, …

00:38

How much SO $_{2}$ would b…

01:58

Sulfur is about $2.5 \%$ o…

03:42

$\mathbf{A}$ (a) How much …

04:01

(a) How much $\mathrm{SO}_…

01:04

On May 18,1980, Mt. St. He…

Given information is 2 s, 2 plus o 2 plus 2 h, 22, h, 2, o 4. The mass of s o 2 is mass of s. O 2 is equal to 4.0 multiply and raised to the power 5 tons into 2000 pounds divided by 1 ton into 453.592 gram divided by 1, is equal to 3.63 into 10 raised to the power 11 gram. We have to find the mass of we have to find the mass in turns of h, 2 s, o 4 produced from given amount of s o 2. First, we will find the number of moles of s o twothe molar mass of s. O 2 is molar. Mass of s, o 2 is equal to molar. Mass of sulphur plus 2 into molar. Mass of oxygen is equal to 32.065 gram per mole plus 2 into molar mass of oxygen. Oxygen is 15.999. Gram per mole is equal to 64.063 gram per mole. The number of moles of a so 2 is number of moles of isto is equal to given mass of so 2 divided by molar. Mass of s o 2 is equal to given. Mass is 3.63 into 10 raised to the power 11 g, divided by molar. Mass of s, o 2 is 64.063. Gram per mole is equal to 5.67 into 10, raise to the power 9 molean since 2. Moles of s o 2 produce 2 moles of h, 2 s o 4. The number of moles of h 2 s o 4 in 5.67, into 10, raised to the power ninethe molar mass of h, 2 s, o 4 is molar mass of mass of h 2 s, o 4 is equal to molar. Mass of stress, o 4, is equal to 2 into molar. Mass of hydrogen plus molar mass of sulphur plus 4 into molar mass of oxygen is equal to 2 in 2. Molar mass of hydrogen is 1.008 gram per mole plus molar. Mass of sulphur is 32.065 gram per mole plus 4 into molar. Mass of oxygen is 15.999. Gram per mole is equal to the calculated molar mass of h. 2 s. O 4 is 98.077 gram per mole. The mass of h, 2 s, o 4, is mass of h. 2 s. O 4 is equal to number of moles of estrees 4 into molar mass of tri s, o 4. Putting the value of number of moles of stress of 4 is 5.67 into 10. Raise to the power 9 mole into molar mass of h, 2 s, o 4 is pound. 98.077 gram per mole is equal to 5.56 into 10, raise to the power 11 gram into 1 pound divided by 453592 graminto 1 ton divided by 2200 pounds point. So here is also the pond is denoted. By b is equal to. We have the calculated value 6.13 into 10, raise to the power 5 onso. The result is 6.13 into 10, raised to the power 5 ton.

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