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Draw a position vs. time graph and a velocity vs. time graph for the puck. Make your axes reasonably accurate and show at least two cycles of the motion. What are the period and frequency of the mot
The value of the equilibrium constant for the chemical equationis Kp= 85 at 280 degrees Celcius. Calculate the value of Kp at 280 degrees Celcius for the equation
A person ate 0.941 pound of cheese (an energy intake of 7530 kJ). Suppose that none of the energy was stored in his body. What mass (in grams) of water would he need to perspire in order to maintain
Calculate the work done if a gas is compressed from 7.8 L to 2.6 L at constant temperature by a constant pressure of 2.1 atm, and give your answer in units of joules. (1 L · atm = 101.3 J)
At 20 degrees Celcius the equilibrium pressure of NH3 (g) is 62 Torr. Calculate the value of Kp for this equation and include the corresponding units.
Volume of naoh solution used for flask number one or run 1 : 17.56 ml. How to calculate the molar mass of this unknown metal carbonate for run one?
The value of Kp for the reaction is 4.3x10^4 at 648 K. Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900 atm N2 and 0.500 atm H2 at 648 K.
Radiative forcing and its relation to global warming. What are the differences between risk assessment and risk management?
The change in enthalpy (delta S standard) for a reaction is -31.7 kJ/mol. The equilibrium constant for the reaction is 4.4×103 at 298 K. What is the equilibrium constant for the reaction at 644
Is a large petroleum refinery with great quantities of pollutant emissions and many exhaust stacks an area source or a point source?
Ammonia (NH3) decomposes to hydrogen and nitrogen and 22.0 Kcal/ mol of energy absorbed. How much energy is absorbed when 7.69 mol of N2 is formed?
Causes and mechanism of stratospheric ozone destruction. Provide the CAA title/part or regulatory section that regulates ozone depletion substances or protect stratospheric ozone.
Explain why most States adopt Federal standards and what States must do regarding the maintenance of National Air Quality Standards.
Identify the species that is oxidized and the species that is reduced in each reaction. Write out two half reaction to show how many electrons are gained or lost by each species.
What has caused the Earth's climate to change throughout its history? How has it changed? How has the climate changed in the last 100-150 years? What has caused the changes?
A gas expands and does P-V work on the surroundings equal to 315 J. At the same time, it absorbs 121 J of heat from the surroundings. Calculate the change in energy of the gas.
What governed the transportation? If it is not transported, do you think mercury occurrence could be indigenous to the Everglades, if so what is the source?
Xenon gas is released during a certain chemical reaction and pushes back the atmosphere with a change in volume of the vessel (it has a movable piston) from 2 to 20 Liters. Calculate the work done b
Name and describe one control/technology technique for each of the below pollutant emission phases: 1) particulate; 2) gaseous.
Explain how the vapor pressure of a compound is related to the liquid-vapor equilibrium and its equilibrium constant. How would it vary with the addition of more liquid?
Describe the following with examples where necessary: Characteristics of atmospheric radiation and its impacts on earth and environment.
What molarity of aqueous sodium chloride solution can be expected to show the same conductivity as 0.0050 M aluminum sulphate at 12,500 units.
Briefly explain the disposal of collected material from particulate control devices and describe briefly the ideal solution to the problem of collected particulate matter disposal.
Question: If one starts with pure NO2(g) at a pressure of 0.500 atm, the total pressure inside the reaction vessel when 2NO2(g) ----> 2NO(g) + O2(g) reaches equilibrium is 0.674 atm. Calculate the
The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the temperature of 10.0 mL of bromine from 25.00 °C to 27.30 °C? The density of liquid bromine is 3