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1) Peroxydisulfate ion oxidizes iodide ion to triiodide ion, I3-. The reaction is S2O82- (aq) + 3I - (aq) ? 2SO42- (aq) + I3- (aq)
If the sulfate anion (SO42-) is formed at a rate of 0.040 M/min, what is the rate of formation of I3-? What is the rate of consumption of S2O82-? What is the rate of consumption of I-?
To produce 225 moles of tetraphosphorus decoxide how many moles of oxygen are required?
Vitamin K is involved in the blood clotting mechanism. When 0.500 g is dissolved in 10.0 g of camphor, the freezing point is lowered by 4.43 °C. Calculate the molecular weight of vitamin K.
What is the maximum concentration (in M) of chloride ions in the solution that contains 0100 M Pb2 +? The Ksp for lead (II) chloride is 1.0 x 10-4.
A mixture of CS2 (g) and excess O2 (g) is placed in a 10.0 L reaction vessel at 100.0 degrees C and the pressure of 3.00 atm, A spark causes the CS2 to ignite, burning it completely, according to the equation:
Given the reaction 4Al(s)+302(g)--2Al2O3(S), what is the minimum number of moles of oxygen gas required to produce 1.00 mol of aluminum oxide?
Write a line angle formula of each constitutional isomer of dimethylcyclohexane. Write the IUPAC name of each isomer.
In ESI, it is very important to regulate the pH of the solution. Therefore, the solution is usually buffered or has added acid. How does the solution pH influence the ionization efficiency and the distribution of charged species formed?
The speed needed to escape the pull of Earth's gravity is 11.3 km/s. What is this speed in mi/h.
A 4.80 g nugget of pure gold absorbed 276 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C?
If a solution is made of naphthalene in heptane and has a vapor pressure of 82 torr, what is the mole fraction of naphthalene? Assume ideal solution behavior.
Metal carbonyls having formula M(CO)x , where x is the number of carbonyl units co-ordinate to metal M are formed by Fe, Cr and Ni. If effective atomic number of each metal is 36
Calculate the new vapor pressure of iodine at the same temperature when 100 bar of He gas is added to the container in which the iodine is held.
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