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The normal freezing point of n-octane (C8H18) is -57 °C.
(a) Is the freezing of n-octane an endothermic or exothermic process?
(b) In what temperature range is the freezing of n-octane a spontaneous process?
(c) In what temperature range is it a nonspontaneous process?
(d) Is there any temperature at which liquid n-octane and solid n-octane are in equilibrium? Explain.
If the O2 gas present in 7.30 L at STP is changed to a temperature of 17 degrees Celsius and a pressure of 788 Torr, what will be the new volume?
Which of the bonds that maintain the conformation of proteins are most sensitive to disruption by high concentration of ethanol
a metal sample weighing 45.0 grams and at a temperature of 99.1 degrees Celsius was placed in 38.6 grams of water in a calorimeter at 25.0 degrees Celsius. The calorimeter reached a maximum temperature of 32.8 degrees Celsius.
By titration it is found that 80.1 mL of 0.114 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution
4 fess 7 o2g 2 fe2o3s 4 so2gat constant temperature and pressure what is the maximum volume in liters of fe2o3s that
One mole of ideal gas undergoes a three-step process. In step one: the gas expands isothermally and reversibly from state 1 to state 2. In step two: the gas is cooled isochorically yielding state 3.
A container id filled with 4 moles of water and the molar mass of water is 18 grams per mole. What is the mass of the water in the container in grams
Define what kind of redox reaction each reaction below is. Identify the oxidizing as well as reducing agents
How many grams of potassium nitrate are required to prepare 0.250 L of a 0.700 M solution?
Problem- Calculate the pH during the titration of 50.00mL of 0.1000M HCl with 0.1000M NaOH solution after the following solutions of base: (a) 0.00mL, (b) 25.00mL, (c) 49.00mL
What volume of hydrogen gas, in liters, is produced by the reaction of 4.71g of iron metal with 60.0mL of 2.03 M HCl?
The total volume of the Pacific Ocean is estimated to be 7.2 × 108 km3. A medium-sized atomic bomb produces 1.0 × 1015 J of energy upon explosion. Calculate the number of atomic bombs needed to release enough energy to raise the temperature of the wa..
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