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if a gas is at 2.3 atm of pressure and occupies 32 L of volume, how much volume will it occupy if the pressure is lowered to 1.5 atm?
Calculate the number of moles in each of the following quantities.a) atoms of each element in 3.35 moles of aspirin(C9H8O4)
How many moles of hydrogen gas are produced when 0.066 mole of sodium is completely reacted?
Differentiation between cis and tran isomers when it comes to cyclohexane. drawing the chair confermation and understanding "up"
Calculate the boiling point when 752 grams of ethylene glycol, C2H6O2, is dissolved in 3 kilograms of water.
a 150.0 g sample of metal at 80 c is added to 150.0g of H2O at 20 c. the temperature rises to 23.3 c. assuming that the calorimeter is a perfect insulator, what is the specific heat of the metal?
A student is presented with a sample of an unknown substance and asked to classify the substance as organic or inorganic
what is the volume of a block with the dimensions 95.6cm in length, 43.7cm wide, and 10.2cm in height?
If the water in your house has 1000.0 mg/L of calcium carbonate dissolved in it, How many grams of sodium oxalate could you mix with 100.0 mL of that water before a precipitate would form.
Ammonia reacts with oxygen according tot he following equation: 4NH3+5O2=4NO+6H2O deltaHrxn = -906kJ Calculate the heat (in kJ) associated with the complete reaction of 155g of NH3.
The temperature of 55.6 g of a material decreases by 14.8C when it loses 3080 J of heat. What is its specific heat?
How many grams of dry NH4Cl need to be added to 2.10 L of a 0.500 M solution of ammonia, to prepare a buffer solution that has a pH of 9.00? Kb for ammonia is 1.8*10^-5.
statements is true concerning the applicability of the E1, E2, SN1, and SN2 mechanisms to reactions
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