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If the pressure of 4.0 L of an ideal gas in a flexible container is decreased to one-eighth of its original pressures as well as its absolute temperature are decreased to one-seventh of the original. Explain what is the final volume of the gas?
What mass of salicylic acid is needed to produce one extra strenght tablet of aspirin if the reaction has 60% yield. Please show work and correct sig figs.
A Venus probe detects an element with a first ionization energy of 2088. Given the table of known ionization energies provided in the introduction, what is the most likely identity of this element
KMnO4-(aq) +HCl(aq)=Mn2+ (aq)+ Cl2(g) + K+ (aq) balance equation with half life method and what is the reducing agents?
It takes 33 melt 3.51 joules to exactly 1 gram of H2O. What is the molar heat of fusion for water, from this data?
Find delta E, delta H, q, and w for the change in state of 1.0 mol H2O(l) at 84 degree C to H2O(g) at 109 degree C. The heat capacity of H2O(l)= 75.3 J/molK, heat capacity of H2O(g)= 25.0 J/molK, and the heat of vaporization of H2O is 40700 J/mol ..
a balloon is filled to a volume of 7.00 x 102 ml at a temperature of 20.0 oc. the balloon is then cooled at constant
Which of the following is the best choice below for preparation of a .10M buffer solution required to maintain a ph of 3 and WHY. Why aren't others suitable.
Depict the complete 3-step mechanism for the hydroboration of 1-octene this means drawing out the three repetitive steps to obtain the trialkyl borane. Comprise arrows indicating electron flow as well as identify any R groups if you use shorthand.
What mass of ice at 0C must be added to 45g of water at 20C to cool it to the final temperature of 10C?
Explain why the form of the equilibrium constant for a chemical transformation can be predicted from its stoichiometric coefficients whereas
Give two reasons why cyclohexane adopts the chair conformation rather than a planar structure
Determine the moles of H2O lost. E. Write the empirical formula for hydrated alum, based on your experiment.
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