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explain how much heat has to be added to 40 g of iron at 250 celsius to raise the temperature of the iron to 2500
car has a 1400 gallon tank that holds 37x104g of octane if i can drive 4000 miles on one tank of gas assume 100 octane
explain an acidic solution of permanganate ion reacts with oxalate ion to form carbon dioxide also mn state the
methylhydrazine ch6n2 is commonly utilized as a liquid rocket fuel the heat of combustion of methylhydrazine is -130e3
if a 337 - g peanut is burned in a bomb calorimeter containing 1629 g of water the temperature of the water raised from
among the isomeric alkenes of molecular formula c5h12 provide the structural formula condensed or bold-line for the one
potassium hydroxide is sometimes utilized as a drying agent explain why would that be inappropriate for drying an alkyl
state a balanced reaction that describes how sodium bromide as well as sulfuric acid will produce hydrobromic
explain which of the following conditions would favor the carboxylate ion instead of the carboxylic acid explain your
the purity of a sample containing zinc as well as weighing 0198 g is determined by measuring the amount of hydrogen
explain which element is the central atom define how many bonds does the central atom form is it polar or non-polar
define a sample of fe-59 initially registers 125 counts per second on a radiation counter after 10 days the sample
which element is the central atom explain how many bonds does the central atom form is it polar or non-polar define
if cl2 gas was separated utilizing a time-of-flight mass analyzer explain which isotopes would reach the detector
helum gas at a pressure of 82 atm expands in volume from 396l to 883 l the temperature is held at 303 k compute the
explain how much work is performed by 1 mole of water freezing to 1 mole of ice at 0 c at standard pressure density of
explain an iron skillet with a mass of 096 kg and a copper skillet of the same mass are both at a temperature of 1650
exactly 372ml of hydrogen is collected over water at 29c and 7450 torr the vapor of water at 29c is 300 torr explain
compute the osmotic pressure in torr of a solution containing 1875 mg of hemoglobin in 150 ml of solution at 250oc
the millipede ejects the compound shown below to protect itself from its enemies identify the functional group
utilizing the average atomic masses for each of the following elements compute the number of moles of the element
a certain ionic compound is found to contain 0012 mol of sodium 0012 mol of sulfur and 0018 of oxygen explain what is
utilizing the average atomic masses for each of the following elements evaluate the number of atoms present in each of
potassium fluoride is extremely soluble in glacial acetic acid as well as the solutions have a number of unusual