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Explain the amount of heat in kilojoules needed to convert 255.0 grams of ice at -15.2C to liquid water at 35.6C the specific heat of ice is 2.03J/gC. The molar of fusion of ice is 6010 J/mol. The specific heat if water is 4.184 J/g C
What is the volume of the filled balloon If the gas is used to fill a balloon, at a pressure of 0.96 atm,?
A glucose molecule is labeled at carbon-3 with 13C. How many turns of the citric acid cycle are required to remove the carbon as CO2?
what is the ph of the solution which results from mixing 150 ml of 0.25 m ch3co2haq and 125 ml of 0.25 m naohaq at 25
To separate the proteins, you need a separation of at least 1.5 cm between the boundary layers associated with each protein. Using your answer in part b), will it be possible to separate the proteins by centrifugation
You have two salts, AgX and AgY, with very similar Ksp values. You know that Ka for HX is much greater that Ka for HY. Which salt is more soluble in acidic solution. Explain
A solution is 0.050 M in K2SO4 and 0.050 M in K2CrO4. A solution of Pb(NO3)2 is slowly added to this solution (without much change in volume).
The density of water decreases from 1.000g/mL at 3.98°C to 0.9170g/mL as ice at 0°C. By what volume (in mL) would a 2.632 liter flexible plastic bottle increase.
Naphthalene is the simplest of the polycyclic aromatic hydrocarbons and can be represented by three resonance structures
The normal boiling point of liquid propanol is 371 K. Assuming that its molar heat of vaporization is constant at 43.9 kJ/mol, the boiling point of C3H7OH
A lump of copper is heated with 225 J of energy. Its temperature rises by 11.5 oC. How many grams does this lump weigh
What is the internal energy (U) change of a system that emits 358 J of heat and receives 412 J of work
If 2.50 g CuSO4 are dissolved in 8.0 x 102 mL of 0.25 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium
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