How much heat is evolved in converting steam to ice
How much heat (in {rm kJ}) is evolved in converting 1.00 {rm mol} of steam at 160.0^circ C to ice at -55.0^circ C? The heat capacity of steam is 2.01 {rm{J}}/{rm{g}} cdot ^circ {rm{C}} and of ice is 2.09 {rm{J}}/{rm{g}} cdot ^circ {rm{C}}.
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Your friend decides to decrease cooking time for spaghetti noodles by adding table salt to 2.0 L water. How much table salt (NaCl) must be added to the water in order to raise the boiling point by 4.0?C? (Kf = 1.86?C/m, Kb = 0.512?C/m)
A vehicle is stuck on the railroad tracks as a 30*10^6 lb train is approaching with a speed of 75mph. As soon as the problem is detected, the train's emergency brakes are activated, locking the wheels and causing the locomotive to slide.
For the given functions f(x),let xo=0,x1=.6 and x2=.9.construct interpolation polynomials of degree at most one and at most two to approximate f(.45),and find the absolute error.a.f(x)=cosx b.f(x)=tanx
Calculate the mass of one atom in grams. Calculate the mass of all atoms in one unit cell in grams. How many atoms are contained in one unit cell of of this element?
How much heat (in {rm kJ}) is evolved in converting 1.00 {rm mol} of steam at 160.0^circ C to ice at -55.0^circ C?
A hypothetical metal has a face-centered cubic unit cell and a density of 6.12 g/cm3. The molar mass of the metal is 143.2 g/mol. What is the atomic radius of this metal?
In a tempering process, glass plate, which is initially at a uniform temperature Ti, is cooled by suddenly reducing the temperature of both surfaces to Ts.
Find the mass of the sugar (C6H12O6) required to produce 1.82 L of carbon dioxide gas at STP from the reaction?
A certain primary cell has a terminal voltage of 1.24 volts when supplying a current of 2A. Immediately after the load was disconnected the terminal voltage increase to 1.28 volts what is the internal resistance of the cell.
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