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Explain why the solubility of different cations groups can be affected by the acidification of their solutions
What is H in kJ for the process of freezing a 28.9 g sample of liquid silver at its normal melting point of 961 oC.
How many grams of CaCl2 are needed to make 968.1 g of a solution that is 35.5% (m/m) calcium chloride in water? (Note that m/m has the same meaning as w/w.)
The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 115 J of heat. As it expands, it does 77 kJ of work. what is it change in internal energy for the system?
Enzymes in the human liver catalyze a large number of reactions that degrade ingested toxic chemicals. By what factor is the rate of a detoxification reaction changed
Acid strength decreases in the series HI > HSO4- > HF > HCN. Which of these anions is the weakest base
The excess I3- was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
Tetrahedral complexes of Co2+ are quite common. Use a d-orbital splitting diagram to rationalize the stability of Co2+ tetrahedral complex ions.
How many moles of table salt (NaCl) are in a box that has 117 grams of salt? (atomic mass of Na = 23.0; atomic mass of Cl = 35.4)
How many mL Hydrochloric acid of 0.1 M must be added to 100 mL of a 0.2 M solution of tris base to form a buffer ( pH 7.8)?
Calculate the partial pressure of oxygen produced from 1.00L of 0.600M dinitrogen pentoxide solution at 45 degrees celsius over a period of 20.0hours if the gas is collected in 10.0L container. (Assume that the products do not dissolve in chlorofo..
Write a balanced titration reaction. (b) Write two different half-reactions for the indicator electrode.
what mass of ammonium chloride can be added to 100 grams of water at 20 degrees C before the solution becomes saturated
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