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If y(t) is a parabola of the form y(t)= -1/2(g sin(theta))(t^2) + V0y t + Y0 ; and x(t) = V0x t + X0, show by direct substitution that the trajectory y(x) is a parabola with the same form of y(t), the standard equation for projectile motion.
question find the adiabatic flame temperature in the complete combustion of propane c3h8 entering at 2.5 bars and 25 c
Dry ice is solid carbon dioxide. A 1.87g sample of dry ice is placed in an evacuated 4.03 L vessel at 22 degrees C. Calculate the pressure inside the vessel after all the dry ice has been converted to CO2 gas
The solution of iron (III) chloride used in this experiment is 0.02M. Determine the amount of iron (III) chloride hexahrdrate
What is the Normality of a 0.25M phosphoric acid solution. : 0.25N 0.50N 0.75N 3.0N
the reaction shown below occurs and the temperature of the resulting solution rises from 22.00°C to 61.16°C. If the specific heat of the solution is 4.18 J/(g ? °C), calculate delta H for the reaction, as written. Ba+2H2O--->Ba(OH)2+H2 Delta H?
a mole of an ideal gas cvm 1.5 r 1 atm initially is heated from 25 degrees to 100 degrees celsius.how much heat would
A sample of pure NO2 is heated to 336 C at which temperature it partially dissociates according to the equation2NO2->O2+2NO
Calculate the new freezing point for a 0.61 m solution of CCl4 in benzene. 2) Calculate the increase in the boiling point, Î"T, for a 1.94 m solution of sucrose (dissolves as a molecule) in water
Ethylene glycol, C2H6O2, is an ingredient of automobile antifreeze. Its density is 1.11 g/cm3 at 20 °C. If you need 500. mL of this liquid, what mass of the compound, in grams, is required?
Suggest simple laboratory tests you could use to distinguish acetone, carbon tetrachloride, cyclohexane, ethyl ether and ethanol.
At 20 degrees C, the vapor pressure of ethanol is 45 torr and the vapor pressure of methanol is 92 torr. What is the vapor pressure at 20 degrees C of a solution by mixing 27.0 g of methanol and 75.0 g of ethanol?
If 4 L of methane is burned in excess oxygen, define what volume of water is produced. Presume that the temperature of the reactants and products is 25ºC and the pressure of the system remains constant at 1.0 atm.
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