Chapter 6, Problem 6.3DOEP

In the follow up question you have worked out the total work done ON CO2 and total heat transferred FROM CO2 but I asked to workout the total work done BY the CO2 and total heat transferred TO the CO2. Please clarify this, I am having to wait for so long with the answers to follow up questions, please reply quickly.

When does international humanitarian law apply? * Your answer

If we wanted to supply a world of 10 billion people with an average demand of electricity at 1 kW per person, what surface area of photovoltaic arrays would be required? Compare this to the size of a known city, state or country.

Part 1(a) What is the derived SI unit for energy ?(b) Determine in terms of SI base units the units associated with the followingenergy equations and hence determine what is the combination of base SIunits for energy.(i) E = mc2(ii) PE = mgh(iii) KE = 0.5mv2(c) Explain why SI prefixes are useful to the metric system. Produce a table ofthe most common prefixes used in engineering and their common notation.

a) The number of kilocalories in food is determined by calorimetry techniques in which the food is burned and the amount of heat transfer is measured. How many kilocalories per gram are there in a 5.00-g peanut if the energy from burning it is transferred to 0.500 kg of water held in a 0.100-kg aluminum cup, causing a 54.9C temperature increase? (b) Compare your answer to labeling information found on a package of peanuts and comment on whether the values are consistent.

A photovoltaic system is installed. It is determined that the capacity factor of the installation is 21% over the course of a year. In that year it produced 7.73 MWh. What is the size of the installation (based upon a 365-day year)?

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A new coal-fired power plant with a heat rate of 9000 Btu/kWh burns coalwith an energy content of 24,000 kJ/kg. The coal content includes 62%carbon, 2% sulfur and 10% unburnable minerals called ash.a. Knowing that 1 Btu/kWh is equivalent with 1.055 kJ/kWh, what willbe the carbon emission rate (g C/kWh)?b. What will be the uncontrolled sulfur emission rate (g S/kWh)?c. If 70% of the ash is released from the stack (called fly ash), what wouldbe the corresponding uncontrolled emission rate (g fly ash/kWh)?d. Since the Clean Air Act restricts SO2 emissions to 130 g of sulfur per106 kJ of heat into the plant, what removal efficiency does thecorresponding equipment need to have for the plant? What is the name ofthis equipment? (1 kWh = 3600 kJ)e. What efficiency does the removal equipment need to have to meet theClean Air Act standard of no more than 13 g of fly ash per 106 kJ of heatinput? What is the name of this equipment?f. If 80% of thermal losses are taken away by cooling system…

problem : Excessive use of  electronic devices relate this problem to Sustainable Development Goals # 12 ( responsible consumption and production)