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Calculate the normality of a KMnO4 solution if 32.38 mL of a 0.1431 N Fe2+ solution is required to react with 15.92 mL of the KMnO4 to give Mn2+ solution?
The equilibrium constant KC for the reaction 2H2(g) + CO(g) ? CH3OH(g) is 135 at a certain temperature. If there are 5.23 ? 10?2 moles of H2 and 3.73 ? 10?
Using Wien's law, calculate the temperature a star must have for the peak wavelength of its blackbody curve to equal this value.
A 1.0 M Na2SO4 solution is slowly added to 10 mL of a solution that is .20 M in Ca^2+ and .30 M in Ag^+. Which compound will precipitate first: CaSO4 Ksp= 2.4 *10^-5 ,Ksp for Ag2SO4 is 1.5*10^-5. How much Na2SO4 solution must be added to initiate ..
a hybrid electric vehicle, has an EPA gas mileage of 52 mi/gal in the city. How many kilometers can the Prius travel on 15 liters of gasoline?
How many joules of heat are required to heat 167 g of aluminum from 34.0 oC to 66.5oC?
Calcium phosphate, silicon dioxide, and coke may be heated together in an electric furnace to produce phosphorus, as shown in the following equation: 2Ca3(Po4)2+6SiO2+10C=6CaSiO3+10CO +P4
What mass of Sucrose(C12H22O11) should be combined with 456g of water to make a solution with an osmotic pressure of 8.05atm at 280K
What color- red or blue- would you expect each of the following to produce when added to litmus
When 142g of calcium fluoride are reacted with an excess of sodium bromide,calculate the mass of calcium bromide formed.
What mass of this substance must evaporate in order to freeze 170 of water initially at 23? (The heat of fusion of water is 334 the specific heat of water is 4.18 .
What are bonding theories? Why are they important? What may they be used for. HI has a force contents of 314 Nm^-1 and a bond length of 160.92 pm.
A swimming pool contains 88,000 liters of water and it having a surface area of 5 meters by 10 meters. It is observed that when this swimming pool is heated by the Sun for six hours.
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