How much table salt (nacl) must be added
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)
Expected delivery within 24 Hours
If the aluminum block is initially at 25, what is the final temperature of the block after the evaporation of the alcohol?
A closed, rigid tank whose volume is 1.5 m3 contains refrigerant 134a, initially a two phase lipuid-vapor mixture at 10C. the refrigerant is heated to a final state where temperature is 50C and quality is 100%.
Assume a thermocouple, which supplies the input to an analog input module, generates a linear voltage from 20mV to 50mV when the temperature changes from 750 degrees Fahrenheit to 1250 degrees Fahrenheit. How much voltage will be generated whe
How much heat is produced in burning 7 mol of {rm{C}}_2 {rm{H}}_2 under standard conditions if both reactants and products are brought to 298 {rm K}?
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?
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