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Two small portions of Aspirin samples are placed into a beaker with 10 ml of water and 10 drops of concentrated H2S04. The sample is heated on hot plate. When the sample is ready to boil, the beaker is removed and the reaction is allowed to settle for a moment. What reaction has taken place? Provide the chemical equation. Hint: Since the reaction involves concentrated acid, then it must dehydration of water.
The vessel and contents are returned to 130 degree celsius and the mixture of product gases (CO2, SO2, and unreacted O2) has a total pressure of 2.4 atm. Determine the partial pressure of each of these gases in the final product mixture
Based on the data gathered in the Rutherford's scattering experiments, the concept of atomic structure was modified. Which of the following aspects of the structure of the atom were validated by these experiments
A gaseous mixture of O2 and N2 contains 39.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 645 mmHg
Selenic acid is a strong diprotic acid and dissociates according to the following equations: H2SeO4(aq) H+(aq) + HSeO4-(aq) Ka1 = Large
The analysis of a coal from Pennsylvania is reported as follows (wt. %)
a 4.75 g sample of aluminum pellets specific heat capacity 0.89 j degc-1 g-1 and a 10.00 g sample of iron pellets
Determine the same activity coefficients for H+ and OH- in the same aqueous MgCl2 solution using the Extended Debye-Huckel law. -log
explain the trends in melting points in going from the chloride to the flouride, making direct reference to the attractive forces that must be overcome to melt the solid and why their strength varies.
Dinitrogen pentoxide is a product of the reaction between P4O10 and HNO3. Balance this reaction and calculate the theoretical yield of N2O5 if 79.7 g of P4O10 are reacted with excess of HNO3.
If 2.93*10^4 liters of water are required to dissolve 1g of calcium phosphate, and the solubility of calcium phosphate is 3.41*10^-5 g/l. what is the solubility of calcium phosphate in parts per million?
How would this change the experimental procedure for the conversion of CuSO4 to metallic copper
Write a net ionic equation for the reaction that occurs when excess hydrobromic acid (aq) and iron(II) sulfide (s) are combined. Include states
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