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The average mass of an atom of sulfur is 5.33 X 10-23 g. How many sulfur atoms are present in a 100.0g sample of sulfur?
For the reaction of iodine atoms to form I2, the experimental rate law is Rate = k[I]^2. What are the units for k if the unit of time is seconds
explain the reactions.1.a explain the results in which 1.0m naoh was added to benzoic acid soluble or not. write the
An organic acid contains 41.4% carbon, 3.47% hydrogen, and 55.1% oxygen by weight. A 0.080-mol sample of this compound weighs 11.60 g. What is the molecular formula of this acid
Calculate the values of the rate constant k assuming that the reaction is first order
How many kJ of heat are needed to raise the temperature of 2kg of water from 29 degrees C
A solution of 5.00g of an organic compound in 25.00g carbon tetrachloride boils at 84.8 c at 760torr. What is the molecular weight of the compound. (bpt ccl4 = 76.5 C, Kb = 5.03 C/m)
calculate the weight of sodium hypochlorite, NaOCl.
a student dissolves 1.50g of copperii nitrate in water. after adding aqueous sodium carbonate solution which contains
Evaluate the number-average molar mass Mn of the polyamide, and also estimate its weight-average molar mass Mw by assuming that it has the most probable distribution of molar mass.
By Solving this problem student understand about isotopic abundance and how to calculate atomic weight (average atomic mass) of an element -
Solid Ba(MNO4)2 is in equilibrium in a solution of KMNO4. What concentration of KMNO4 is needed to establish a concentration of 2.0 x 10-8 for the Ba 2+ ion in solution?
a muon is a fundamental particle equivalent to a one electron atom. the particle has z 2 and a negatively charged
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