How can determine the numbers of moles of o2
Determine the numbers of moles of O2 (molar mass=32.00g/mol) are required to react totally with the 52.0 L of CH4 (g) at STP to form CO2 and H2O? (Molar mass of CH4-16.04g/mol)
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The left end of the rod is supported by a hinge, and the right end is supported by a thin cable forming a 30.0° angle with the vertical. (i) Determine the tension T in the cable. (ii) Determine the horizontal and vertical components of force a
Would this be true because at boiling point the liquid is in dynamic equilibrium with the pressure of the atmosphere? The two liquids have identical vapor pressures at their normal boiling points.
Assume the bottle of wine at the room tempature of 72oF is placed in refrigerator that is 40oF AND K=0.4. Determine tempature of wine, to nearest degree, after five hours in refrigerator?
Determine the maximum wavelength of a gamma ray which could break a deuteron into a proton and a neutron? (This method is termed photodisintegration.)
Calculate the molar mass of a gas which has a density of 5.75g/L at 25.0 C and 1.00 atm pressure and demonstrate the formula of the molar gas.
A solid ball and a hollow ball, each having a mass of 1.31 kg and radius 0.283 m, begin from rest and roll down a ramp of length 3.65 m at an incline of 25.7°. Determine the speed of the solid ball at the bottom of the incline?
At a temperature of 26.20 C a sample of nickel weighing 425 grams was initially. It needed the 975 Joules of heat energy to increase the temperature to 31.55 C. Calculate the specific heat of the nickel?
Steel train rails are laid in the 11.5 m long segments positioned end to end. The rails are laid on a winter day if their temperature is -1.0. When the rails are originally laid in contact, determine the stress in them on a summer day when their t
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