Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Solved Assignments
Asked Questions
Answered Questions
It is desired to dry 10 kg/min of soap continuously from 20% moisture by weight to 4% moisture in a countercurrent stream of hot air.
Estimate how much activated carbon should be used if the system is allowed to reach equilibrium at constant temperature and pressure.
Estimate the diffusion coefficient by the Wilke-Lee equation and compare it with the experimental value.
Oxygen diffusion in water: Hayduk and Minhas correlation Estimate the diffusion coefficient of oxygen in liquid water at 298 K.
Based on this result and the Hayduk and Minhas correlation for aqueous solutions, estimate the molar volume of allyl alcohol at its normal boiling point.
The concept of carrying capacity is a useful one for the ecological analysis of animal and plant populations.
What evidence would you use to evaluate the proposition that the world is reaching the maximum carrying capacity in terms of food supply?
What kinds of incentives are required to induce greater erosion control? How much can be done through private initiative.
How can we define the concept of sustainable agriculture? Can high-input agriculture be sustainable? Is organic agriculture sustainable?
Do you expect mineral prices to continue to increase, as shown in Figure? Which factors do you think will determine future mineral prices?
Some critics of municipal recycling programs have argued that they are uneconomic because they cost more than ordinary waste disposal.
Since energy production represents only about 5 percent of economic output, why should any special importance be placed on this sector?
In the 1970s, energy shortages had a significant impact on economies throughout the world. Was this a one-time phenomenon or could it recur?
Many people argue that a transition to renewable energy sources would be good policy from both an economic and an environmental point of view.
Unlike ocean fisheries, forests can be privately owned, and in fact many millions of acres of forests are owned and managed by private corporations.
What changes in property regimes and forest management policies could be used to help achieve the dual goals of economic profitability.
Suppose you were managing a public water utility facing a shortage due to drought conditions. What steps would you take in response to the drought?
Identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.0923 N when their center-to-center separation is 45.3 cm.
One force is 9.0 N, acting due east, and the other is 8.0 N, acting 62 north of west. What is the magnitude of the body's acceleration?
If a steel old fashion clock is accurate at 20 Celsius (2 s per oscillation), what is the period of the clock in the summer (35 Celsius)?
Explain the basic teachings of Buddhism. Explain what makes the school of Buddhism you selected unique.
Calculate the electric force and plot it by using the finite difference method and compare it with the analytical function:
What is the magnitude of the center-of-mass acceleration for the wheel assuming it rolls without slipping down the ramp (in terms of M, g, I, and R)?
What is the horizontal force applied on the block system? What type of horizontal force is applied on all three blocks (e.g. tensional, compressional, etc)?
Determine the effective spring constant of the molecule.