In one long stoichiometry problem calculate the kilograms of carbon dioxide produced each day by all the coal power plants in the world. There are 2300 coal power plants in operation. The average plant can make 547 Mw per minute, however they never work at full capacity. The average plan operates at 70% capacity. Coal is mostly elemental carbon (C) that undergoes a synthesis reaction with oxygen gas to make carbon dioxide gas. One metric ton of coal makes 19.88 million BTU and 56.88 BTU will make 1Kw.
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
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