Numbers
The number of significant figures in 3.08
What is Three
Conversion factor to be used to convert cm to meters
What is 1m = 100 cm or 1m /100cm
25g/50 cm3
What is a density of 0.5 g/cm3
The charge on a phosphate ion?
What is -3
The charge on a nitrate ion?
What is - or -1
What is 0 to 14
Number of significant figures in 0.005
What is one significant figures.
This conversion factor (2.54 cm / 1 inch), would be use to do what? (Be specific)
What is a conversion factor to convert inches to centimeters
1g/ml also read...one gram per milliliter is the density of what material?
What is the density of water?
The material that phosphates attach to?
What is Soil?
The allowable limit for nitrates in drinking water?
What is 10 ppm?
Anything less than 7 on the pH scale
What is acidic
The Atlantic Pacific rule
If the Decimal absent count from the right
If the Decimal present count from the left
Only count placeholders as significant after you encounter the first non-zero digit.
12 cm = _____inches
What is 4.7 inches
The measurement of data grouping (precision)
What is the R^2 value?
Rock and minerals
What is the source of phosphates used in fertilizers
A "natural" source of nitrates?
What is Manure?
How much more acid is a pH of 4 than 8
What is 10,000 times
Calculate (2.3 x 10^4 ) (1.4 x 10 ^2)
What is 3.2 x 10^6
The number of inches in a mile
What is 6336 inches
An object has a mass of 50 grams and a volume of 25 cm3...calculate density
What is 2 grams per cm^3?
Phosphoric Acid
What is the phosphate preservative found in soda?
Nitrites, another form of nitrogen has what chemical formula?
What is NO2 - ?
The pH of normal rain
What is 5.6?
Calculate 3.22 x 10^3 / 2.66 x 10 ^-5
what is 1.21 x 10^8
What is 50 miles per hour in meters per second
What is 22.4 m/s
Make a conclusion about accuracy and Precision of the following data.
Density % error R^2 Actual = 2.0g/cm3
2.5 25% 0.977
Data appears to have good precision at >.97, but the accuracy is poor as it is over 5%
The damage that phosphates create in water systems like ponds, lakes, etc.
What is eutrophication?
The male organ damaged by consumption of nitrites found in processed meats?
What is the Prostate?
What is the major cause of acid precipitation?
What are Coal burning electricity generating power plants?