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Ice has the unusual property of a melting point that is lowered by increasing pressure. if this is the reason we can skate on ice, would a 75-kg skater whose skates contact the ice with an area of 0.1cm^2 be able to skate at -3C
Now you find yourself on an airplane headed for Israel to visit the Dead Sea, which is below sea level. You have always wanted to visit there and now is your chance. What has happened to the atmospheric pressure?
A. A student places 2.10 L of water in his dormitory room, which has the volume of 4.06 x10^4 L. He seals the room and waits for the water to evaporate. At 25 deg C, the density of water is 0.997 g/mL
What would the molar concentration of the tree sap have to be to achieve this pressure on a day when the temperature is 28?
How much heat (in kJ}) is evolved in converting 1.00 {mol} of steam at 160.0C to ice at -55.0C? The heat capacity of steam is 2.01 {J}}/{{g.C}} and of ice is 2.09 {J}}/{{g.C}}.
An aqueous solution is made by dissolving 24.5 grams of manganese(II) chloride in 466 grams of water.
Determine whether the oxidation of FeO(s) to Fe2O3(s) occurs spontaneously at 298K according to the reaction below by calculating delta s universal.
Determine how much silver ion(Ag+) is left in solution if you mix 0.10 mole of silver nitrate AgNO3 with 0.20 mole of sodium hydroxide NaOH to make a one litre solution.
find the wt percent of C and H. find the smallest integer ration of C:H in the compound
Calculate the oxygen content of the plasma in mM! 1 ml plasma dissolves 24 uL oxygen at 38 degrees C if the partial pressure is 103 kPa.
A gas expands and does P-V work on the surroundings equal to 321 J. At the same time, it absorbs 177 J of heat from the surroundings. Calculate the change in energy of the gas.
calculate (a)molality? (b)molarity of NaCl? (c) What is the mass/mass and remove the most loosely held e- from a gaseous atom in a ground state
15 g of steam at 373 K is added to 250g of H2O (l) at 298 K at constant pressure of 1 bar. Is the final state of the system steam or liquid water? Calculate ?S for the process.
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