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Why is it an important concept that atoms generally appear in whole number molar ratios to each other in chemical compounds? What does this tell us about the nature of matter?
-13 degrees C air pressure in an auto tire is 1.5 atm. if the volume does not change, what is the pressure after the tire has warmed to 15 degrees C?
A piece of metal with a mass of 18.2 grams was dropped into a graduated cylinder containing 16.50mL of water. The graduated cylinder after the addition of the metal is 18.40. Determine the density of the metal.
If you know the answer please give units :) Part A: The reactant concentration in a zero-order reaction was 5.00×10^?2M after 140s and 3.00×10^?2M after 300s. What is the rate constant for this reaction? -> For this I got that 1.25x10^-4M/s, whic..
If you look at a reaction for an esterification reaction, you cannot tell where the oxygen comes from (acid or alcohol). Draw the mechanism of this reaction, and devise an experiment using the mechanism and O18 (O18 isotope) to help prove unequivo..
Which molecule is polar? Which of the following is not an ionic compound? Which of the following is not an ionic compound?
Predict the species that will be oxidized first if the following mixture of molten salts undergoes electrolysis
The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 130J of heat. As it expands, it does 76kJ of work. What is the change in internal energy for the system?
An aerosol spray can of deodorant with a volume of 350 mL contains 3.0 g of propane gas C3H8 as propellant.
Give the product expected from the reaction of cis-1,2-diacetylcyclohexane with aniline. Suggest a reason for the unsuitability of 2,4-dinitroaniline as a replacement
draw the major form of your drug whenph is low (acidic medium) for all acid base groups c. draw the major form of drug when ph is high (basic medium for all acid base groups
What is the isentropic work required for the ideal gas case? C) If the comppressor has an efficiency of 0.78 and is NON-ideal, what is the final temp and required work?
Semi-Empirical Expression for a Dilute Real Solution, Starting with the definition of osmotic pressure
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