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What happens inside a 9 volt battery during discharge, chemically speaking. Does the Law of Conservation of Mass apply during discharge?
A red laser pointer emits light with a wavelength of 660. What is the frequency of this light? 2.What is the energy of one of these photons?
the major differences in the dehydration of an alcohol by an E1 and E2 reaction mechanism.
A 25.264 g cube of aluminum is cooled to a temperature of -15.26*C. If it's placed in 250.00g of water at 35.00*C, what would the final temperature of the aluminum and water be when the system comes to equilibrium? Assume that no heat is lost.
The piston is then moved in and the heat rejected by the air reversibly at constant pressure until the volume is= initial volume. compute The net heat flow and the overall change in entropy?
Rank the compounds on relative acidities: H2O, H2C=CH2, NH3, HC(triplebond)CCH3, H3CCH3 (STRONG-->WEAK)
How many kilocalories of heat are released when 75g of steam at 100 celsius is converted to ice at 0 celsius. If you want to lose 1 pound of fat, which is 15% water, how many kilocalories do you need to expand
How many silver atoms are in a single nanoprisms with an edge length of 45nm and a length of 5 nm. the density is 10.5 g/cm3
What is the fractional conversion of ethane. What is the production rate of ethanol.
a mass of mercury occupies .750l. what volume would an equal mass of ethanol occupy if mercurys density is 13.546 gml
When a 2.41x102 g strip of zinc is dropped into a large beaker containing excess hydrochloric acid, how many grams of gas are formed.
a large flask with a volume of 936 ml is evacuated and found to have a mass of 134.66g. it is then filled to a pressure
Choose all of the processes from below which describe changes which are independent of the path by which the change occurs. the elevation increase experienced by a traveller travelling from Grand Isle, LA to Denver, Colorado
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