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1) A mixture of 25.0 g of NO and an excess of O2 reacts according to the balanced equation
___NO(g) + ___O2(g) ® ___NO2(g)
How many liters of NO2, at STP, are produced?
2) Ammonium nitrate, NH4NO3, can decompose explosively when heated to a high temperature according to the equation
___NH4NO3(s) ® ___N2(g) + ___H2O(g) + ___O2(g)
If 100.0 g of ammonium nitrate decomposes at 450 oC, how many liters of gaseous products would be formed? (Assume atmospheric pressure is 1.00 atm)
As of 2007 world record for swimming 1500.0 m in a long course pool is 14 min 34.56 s. if we follow this rate then calculate how many seconds would be taken by a man to swim 0.850 miles?
Given that 318 kJ of heat are released for each mole of Fe3O4 formed, what is the enthalpy change of the balanced reaction of formation of Fe3O4 from iron(ii) oxide and oxygen
the depth of each tank is 2 m and each has a detention time of 4 h. what is the surface area of each tank and what is the overflow rate of each tank in m^3/d*m^2?
Determine the molar solubility for Copper (II) hydroxide in (a) a water solution at 25 degrees Celsius, and (b) in a solution having a pH of 8.75 at 25 degrees Celsius.
Most compounds that contain N-H bonds are basic, but saccharin is acidic
A hot tub is filled with 480 gallons of water, which has a density of 1.0 {rm g/mL}. What is the volume of water in the tub, in liters?
a solution of ethanol c2h5oh in water is prepared by dissolving 58.0 ml of ethanol density 0.79 gcm3 in enough water
Write the balanced molecular equation, the total ionic equation, and the net ionic equation
Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25. Suppose that 1.15 of rubbing alcohol evaporates from a 65.0 aluminum block.
Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine
Calculate the formate ion concentration and pH of a solution thatis 0.050M in formic acid (HCHO2; Ka=1.8*10^-4) and 0.10M inHNO3
HClO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base. What is the pH of a solution that is 0.077 M in NaClO?
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