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Define what is the pressure in a 1.00 L container that contains 0.240 mol of N2 and 0.360 mol of O2 at a temperature of 27°C?
1. 2.66atm
2. 14.8atm
3. 1.33atm
4. 7.40atm
5. None of these
The vapor pressure of dichloromethane,CH_2CL_2,at 0 degree C is 134mmHg. The normal boiling point of dichloromethane is 40 degree C. Calculate molar heat of vaporation.
a 150.0 g sample of metal at 80 c is added to 150.0g of H2O at 20 c. the temperature rises to 23.3 c. assuming that the calorimeter is a perfect insulator, what is the specific heat of the metal?
A 0.160-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Ni2 ions at equilibrium? Assume the formation constant* of Ni(NH3)62 is 5.5 × 108.
Suppose you have a 90.5-gram sample of lead at 187oC. The sample of lead losses 13.5 calories of heat. The specific heat of lead is 0.038 cal/g oC. What is the final temperature of the sample of lead
NaCl(aq) + H2O(l) Cl2(g) + H2(g) + NaOH(aq) (b) How many moles of NaOH(aq) are formed in the solution in this process? _ moles of NaOH(aq) are formed.
If you are given a 0.33 g piece of sodium metal to react with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced
the given data of pyroxene analysis is given w. sio248.90 tio2.12 al2o33.86 fe2o34.65 cr2o30 feo25.35 mno.51 mgo6.87
how much heat is required to convert 30.0 g of ethanol at 28 c to the vapor phase at 78 c ?additional infoethanol
Calculate the volume of .100 M NaOH needed to titrate 25 mL of store bought vinegar
The compound [Fe(CO)4(PMe3) could adopt a trigonal bipyramidal geometry with the phosphine in either an axial or an equatorial position. (a) Indicate the point group of the molecule
A 0.1946 g piece of magnesium metal is burned in a constant volume calorimeter that has a heat capacity of 1349 J/°C.
The solubility product of Mg(OH)2 is 1.2 x 10-11. What minimum OH- concentration must be attained to decrease the Mg2+ concentration in a solution of MgCl2 to less than 1.0 x 10-9 M.
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