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Consider the reaction N2 (g) + O2 (g) ? 2 NO (g).a. How many g NO can be produced when 25.0 g of nitrogen reacts? b. How many g NO can be produced when 25.0 g of oxygen reacts? c. Based on your answers in a and b, predict the amount of NO that can be produced when 25.0 g nitrogen is reacted with 25.0 g of oxygen.d. Explain the reasoning used in
Determine the boiling point of a solution of 22.5 g of fructose, C6H12O6 , in 294 g of phenol.
How many grams of potassium chlorate decompose to potassium chloride and 510. mL of O2 at 128°C and 652 torr?
A rubber balloon was inflated with helium gas and floated in the air. The next day, the balloon was somewhat smaller and no longer floated.
If only 10ml of 3.0 M KOH were used in the alum preparation instead of the specified 25 ml,would KOH then become the limiting reactant? Write the chemical equation for the conversion of Al(s) to solid aluminum alum KAL(SO4)2*12H2O (S)
Answer the following questions: a) can Al3+(aq) oxidize tin (Sn) under standard-state conditions?; b) would it be OK to store an aqueous AlCl3 solution in a tin container?; c) can Sn2+(aq) oxidize aluminum (Al) under standard state conditions?; d)..
A copper wire (density = 8.96 g/cm3) has a diameter of 0.18 mm. If a sample of this copper wire has a mass of 33 g, how long is the wire?
Write a balanced reaction for the complete combustion of ethanol (C2H5OH) in oxygen, using the smallest integer coefficients. Then add up the total of all of the coefficients from both sides of your equation and enter that number as your answer.
A sample of hard water contains about 2.0x10-3MCa2+. A soluble fluoride-containing salt such as NaF is added to "fluoridate" the water. What is the maximum concentration of F- that can be present without precipitation CaF2? Ksp of CaF2=5.3x10^-11.
A gaseous reaction occurs at a constant pressure of 50.0 atm and releases 67.9kJ of heat. Before the reaction, the volume of the system was 8.80L . After the reaction, the volume of the system was 2.80L .Calculate the total internal energy change ..
Consider the titration of 40.0 mL of 0.050 M of the fully protonated form of tryptophan with 0.10 M KOH. Calculate the pH of the solution at the following points
You are to prepare 250 grams of 7.00% sodium carbonate solution. How many grams of sodium carbonate and how many mL of water do you use?
for a helium aton in a one-dimensional box calculate the value of the quantum number of energy level for which the energy is equal to 3/2kt at 25 degrees c for a 1nm long box
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