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Explain what is the mass of a new AAA battery? Define what is the mass of a dead AAA battery? State what type of balance was used to obtain the mass of the battery?
Calculate the pH for an aqueous solution of acetic acid that contains 2.15x10^-3M hydronium ion.
When 1 liter of nitrogen gas reacts with 3 liters of hydrogen gas at constant temperature and pressure, how many liters of ammonia gas will be produced?
A physiological saline solution is 0.92% sodium chloride (NaCl) by mass and has a density of 1.005 g/mL. What is the osmotic pressure of such a solution at body temperature of 37 degree C
at a certain temperature an equilibrium mixture in a 10.0 l container was analyzed and found to contain 2.00 moles of
a 12.0g sample of 24na is prepared at 800am of tuesday for a circulation test. unfortunately the doctor forgot to sign
The thermogram for the reaction is depicted below. The calorimeter constant is 28.1 J/ Celcius. Both solutions were initially at 21.31 Celcius. Calculate Delta Hrxn for the reaction.
calculate the mass of nitrogen dissolved at room temperature in an 82.0 rm l home aquarium.assume a total pressure of
CHEM 354 Extended Problems, The variation of EMF for the cell below with temperature is shown in the graph below.
seperate two compounds efficiently, what alternatives would one consider to effect clean separation by distillation?
Use the letter from the reagent table for inorganic reagents and write the IUPAC substitutive name for the bromoalkane.
How many constitutionally isomeric monochlorides can be formed in the free-radical chlorination of 2,2,4-trimethylpentane?
If I add 90.0ml of distilled water to 10.0mL of 1.00M of HCl, what would the hydronium ion concentration be? What about the pH?
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