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What are percentages added together called?
They are called sums of percentages!
What are percentages used for?
percentages are used to tell the over all number
How do you average 2 percentages?
Add the 2 percentages together, then divide by 2.
What is the difference between fractions and percentages?
Fractions are integers divided by integers. Percentages are the number of hundredths.
What do you call a person who work is with percentages?
Most people work with percentages in one way or another.
What are the percentages of the elements in the earths ocean?
hytrogen
How can one determine the empirical formula when provided with percentages of the elements present in a compound?
To determine the empirical formula from percentages of elements in a compound, convert the percentages to grams, then to moles. Divide the moles of each element by the smallest number of moles to find the ratio of elements. Finally, write the empirical formula using the ratios as subscripts for each element.
What is the air that makes up earths atmosphere?
Earths atmosphere is 78% nitrogen,21%oxygen,0.9% argon,and 0.03% carbon dioxide with very small percentages of other elements
Why is the amount of gases in the atmosphere usually shown as percentages of dry air?
Showing the amount of gases in the atmosphere as percentages of dry air allows for easy comparison and analysis of the composition of the atmosphere. Since the composition of dry air is relatively stable, expressing the gases as percentages of dry air helps to standardize the data for scientific purposes.
This measurment is recorded in percentages?
relative humidity
Name the two main components of air and their percentages?
oxygen
What will happen if the percentages of oxygen and carbon dioxide is increased in air?
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Plagioclase feldspars contain significant variable percentages of what two elements?
potassium, calcium sodium
The sum of the percentages in the percentage composition of a substance equals?
The sum of the percentages in the percentage composition of a substance is always 100%. This represents the total proportion of the elements that make up the substance.
Which two elements make up the greatest percentages by mass in earth's crust?
The two elements that make up the greatest percentages by mass in Earth's crust are oxygen and silicon. Oxygen accounts for approximately 46% and silicon around 28% of the Earth's crust by weight.
How to find the empirical formula from percentages?
To find the empirical formula from percentages, convert the percentages to grams, then divide the grams by the element's molar mass to find the moles. Finally, divide the moles by the smallest number of moles to get the ratio of elements in the compound, which represents the empirical formula.
How does a meteorologist express the amount of moisture in the air?
It is called relative humidity and it is expressed in percentages.
