What are the rates of change in the concentrations
Consider the combustion of ethylene, C2H4 (g) + 3 O2 (g) ------> 2 CO2 (g) + 2 H2O (g). If the concentration of C2H4 is decreasing at the rate of 0.025 M/s, what are the rates of change in the concentrations of CO2 and H2O?
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Kinetic and potential energy effects are also neligible. Determine the exit temperature in degrees celcius and the work input (-Wcv/m), in kJ/kg of refrigerant flowing.
What is the theoretical yield of hydrogen gas when 12.5g of sodium metal reacts with an excess of water, while also producing sodium hydroxide? (need balanced equation). What is the limiting reactant?
The temperature inside rises. Determine the amount of heat transferred when the steam temperature reaches 500 degrees C?
How many grams of nitrogen monoxide are produced when copper metal reacts with nitric acid to form water and 5.92 g of copper(II) nitrate in addition to the nitrogen monoxide?
The helicopter and the sensor both move only in the horizontal direction and have a horizontal acceleration of magnitude 2.88 m/s2. Ignoring air resistance, find the tension in the cable towing the sensor.
Now the valve is opened and helium is allowed to flow into the tank until the pressure reaches 200kPa, at which point the valve is closed. Determine the flow work of the helium in the supply line and the final temperature in the tank?
You take a 25.00 g ice cube (temperature -20 EC) and place it in 225.00 g of water at 22 EC. What will the temperature of the water be when the ice cube has just melted. Assume the specific heat capacity for ice and water is 4.184 J/K@g.
A point charge of 7.0 x 10-9 C is located at the origin. How much work is required to bring a positive charge of 3.0 x 10-9 C from infinity to the location x = 30.0 cm
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