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A peice of gold (10.0-g, C of Au = 0.129 J/g-K) is heated to 100.0 degrees Celcius. A peice of copper (also 10.0-g C of Cu = 0.385 J/g-K) is chilled in an ice bath to 0 degrees Celcius. Both peices of metal are placed in a beaker containing 150. -g H2O at 20 degrees Celcius. Will the temp of the water be greater than or less than 20 degrees when thermal equilibrium is eached? Calculate the final temp.
suppose a can contains gas at a pressure of 755 mm Hg and a temperature of 25 degrees celsius, what would be the pressure if the can was heated to 1155 degrees celsius ?
The density of liquid oxygen at its boiling point is 1.14 {kg/L} , and its heat of vaporization is 213 {kJ/kg} . How much energy in joules would be absorbed by 4.0 L of liquid oxygen as it vaporized?
Calculate the fraction of Fluorine atoms at 1000 K in each of the first three electronic levels based upon the following data
The empirical formula of a compound is found to be P2O5. Experiments show that the molar mass of the compound is 560g/mol. What is the molecular formula of the compound?
If 7.50 g of the unknown compound contained 0.250 mol of C and 0.500 mol of H, how many moles of oxygen,O, were in the sample?
at 986°C is 0.63. A rigid cylinder at that temperature contains 1.2 atm of carbon monoxide, 0.20 atm of water vapor, 0.30 atm of carbon dioxide, and 0.27 atm of hydrogen. Is the system at equilibrium?
Determine how much heat (in kJ) is needed to warm 12.0g of ice, that is initially at -10.0 ° C, to steam at 114.0 ° C? The heat capacity of ice is 2.09 J/g⋅ ° C and that of steam is 2.01 J/g⋅ ° C.
Compute the free energy of hydrolysis of Adenosine Tri Phosphate in a rat liver cell in which the ATP, ADP and Pi concentration
write the skeleton equation representing the heating of magnesium carbonate to produce solid mangnesium oxide and carbon dioxide gas.
How much energy (in kilojoules) is required to convert 225 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL?
Suppose a sample of solid hydrogen is held under an external pressure of 0.030 atm and heated from 5 to 300 K. What phase change(s), if any, will occur?
What mass of Fe(OH)3 would be produced by reacting 75.0mL of a 0.0810M Fe(NO3)3 solution with 125 mL of a .150 M NaOH solution.
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