Although He is a smaller molecule than Ne, there are, according to Avogradro, just as many of these in a 1.0 L vessel if conditions are equal?
What are molecules?
100
It is the most common error source associated with a styrofoam calorimeter.
What is heat loss?
100
The coefficient in front of chloride when writing an ionic equation for AlCl3
What is 3?
100
Geosmin is one of the compounds that gives this outdoor material its characteristic odor thanks to the filamentous bacteria that make it their home
What is soil?
200
R with the correct number of significant figures 101.3*22.414/1.000/273.15
What is 8.312 L*kPa/K/mole?
200
Hess discovered that the pathway for a reaction does not affect the overall value of this quantity
What is enthalpy?
200
It is the number of decimals that should be reported when using a standard 50.00 ml burette.
What is 2?
200
It's what's small in a reaction profile for a spontaneous process?
What is activation energy?
200
These 2 common bathroom materials can be used to wash off sarin, the poison used in the Iran-Iraq war and in Japanese subway attacks.
What are soap and water?
300
0.20 g + 1.23 g with the correct number of significant figures
What is 1.43 g.(when only adding or subtracting, we go by the least number of decimal places)
300
Boyle's Law, P1Vi=P2V2 only applies if the ideal gas' number of moles and this other measurement are constant.
What is temperature?
300
How the concentration of an acid can be obtained in the lab without using pH
What is a titration or neutralization?
300
The rate factor that causes twigs to burn faster than an equal mass of logs.
What is surface area?
300
Guanine, the DNA base, is chemically related to this common breakfast molecule
What is caffeine?
400
Between 0.0003 +/- 0.0001 and 5 +/-1, the measurement that is more accurate?
What is 5 +/-1? ( only 20% error, as opposed to 33%)
400
This man who was eventually guillotined was the father of modern chemistry
Who is Lavoisier?
400
Aside from cooling, what needs to be done before recording the volume of hydrogen from a gas burette.
What is balance the pressure?
400
How much faster two halves of a sphere react compare to an intact one?
What is 1.5?
400
5.8 X 10-22 seconds elapse when light travels across the diameter of this nucleus
What is hydrogen?
500
The number of decimals that a typical high school thermometer can be read to?
What is 1?
500
It is the type of bonding that Crick and Watson realized attracted adenine to thymine and guanine to cytosine in DNA.
What is hydrogen bonding?
500
The atmospheric percentage that can be obtained by inverting a test tube with acidified iron in water.
What is oxygen?
500
What happens to wine if an opened bottle is placed on its side.
What is spoils faster?
500
This common drug inhibits a COX enzyme, preventing the formation of prostaglandins, reducing inflammation but also removing the stomach's protection against acid.