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The temperature of a 15g sample of lead metal increases from 22oC to 37oC upon the addition of 29.0 J of heat. The specific heat capactiy of the lead is _______J/g*K.
a. 29
b. 0.13
c. 7.8
d. -29
e. 1.9
The Henry's Law constant (k) for carbon monoxide in water at 25ºC is 9.71 x 10-4 mol/(L•atm). How many grams of CO will dissolve in 1.00 L of water if the partial pressure of CO is 2.75 atm?
Which of the following wave functions are eigen functions of the operator d^2/dx^2? If they are eigen functions what is the eigen value
Oxalate ion, C2O4 2-, and permanganate ion,MnO4 -1,react in aqueous basic solution to give carbonate ion, CO3 2-, AND solid manganese dioxide,MnO2. What is the complete and balanced equation
Using a sample of a compound containing only oxygen and chlorine reacts with an excess of H2 gas to give 0.206 g water and 0.278 g HCl
What is the osmotic pressure of a solution made from dissolving 95.0 g of glucose, C_6H_{12}O_6, in 725 mL of water at 39.0 degrees C?
If you wanted to prepare a 1.45 L buffer with a total phosphate concentration of 0.0500 M, how many grams of NaH2PO4 and Na2HPO4 would you mix together? How many grams of conjugate acid do you need? How many grams of conjugate base do you need?
The combustion of ethane produces carbon dioxide and steam: 2C2H6 + 7O2 --- 4CO2 +6H20 How many moles of CO2 are produces when 5.55 mol of ethane are burned in an excess of oxygen.
Use the periodic table to determine the element corresponding to each of the following electron configurations.
With a solution in them connected by a liquid salt bridge junction filled with KNO3. In one solution you have a graphite electrode that is connected with a wire to a copper electrode in the second soution. The soution in contact with the graphite ..
Suppose sulfur dioxide reacts with oxygen at 25 degrees Celsius. 2SO2 (g) + O2 (g) ->
How many different types of resonance structures can be drawn for the ion SO32.
Five metal rods (Copper, Iron, Nickel, Tin and Zinc), at room temperature, of equal mass are place in a 100 oC water bath. Which metal will reach 80 oC first.
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