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What gas was produced by the decomposition of hydrogen peroxide? What happens when a smoldering toothpick comes in contact with the gas?
For the isoelectronic series[V(CO)6]-, Cr(CO)6, and [Mn(Co)6]+, does the energy of the metal to ligand charge-transfer bands increase or decrease with increasing charge on the complex? Why?
Two students weighed a 125-ml beaker that had a mass of 80.562g on a calibrated top-loading balance. Each student used their own top-loading balance, recorded three mass readings for the beaker
Present-day carbon (in living matter) gives 15.3 disintegrations per minutes per gram of total carbon. Determine the date of the volcanic eruption. Recall that the half-life of carbon-14 is 5730 y.
Battery acid is 35% sulfuric acid in water and has a density of 1.29g/ml. What is the mass of sulfuric acid in 1.00L of battery acid?
Balance the following skeleton reaction, calculate Ecell, and state whether the reaction is spontaneous:
The titration of 25.0 mL of 0.00 M base (B) by 0.500 M HCl for which the following data was collected. Volume of HCl added (mL) pH
a solution is initially 0.050m in acetate ch3coo- kb 5.6 x 10-10. 10.0ml of 0.10 m hcl is added.a write the chemical
a certain line in the spectrum of atomic hydrogen is associated with the electronic trasition in the h atom from the
Place the following in order of increasing strength as reducing agents (all under standard conditions). (Use the appropriate symbol to separate substances in the list.) Cr3+, H2, Zn, Li, F -, Fe2+
Calculate the minimum volume of distilled water, in liters, necessary to completely dissolve a 7.5 g sample of AgBr (s) at 298K. The molar mass of AgBr is 188 g mol
Question- As a liquid begins to distil, a student notes that the boiling chips are missing. The student removes the thermometer and drops a few chips into the distillation flask. What will probably happen. What is the correct procedure
Suppose 8.26 g of solid Mg(OH)2 is added to 36.1 mL of 0.488 M H2SO4 solution. What will the concentration of Mg2+ be when all of the acid has been neutralized. How many grams of Mg(OH)2 will not have dissolved.
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