State the significant difference between catalyst deactivation by coking and sulfur poisoning.

Which of the following is wrong as a method of fire prevention common to dangerous goods of Class 3? (1) Store in a cool place. (2) Do not close the container and store it with air permeability. (3) Do not contact with water. (4) Keep away from fire. (5) Be careful of damage or corrosion of the container.

Give the raw materials,process description, flow sheet and engineering problems faced in the production of ACETIC ACID

Cities, States, and Businesses Lead the Way to Reduce Greenhouse Gases

Although the United States signed the original Kyoto Protocol, the U.S. Congress never ratified the agreement so the protocol has never been legally binding on the United States. The administration of President George W. Bush argued that there was no scientific consensus on global warming and that the costs of reducing greenhouse gases were simply too high. However, many state and local governments felt they had waited long enough for change at the federal level. In 2005, mayors from 141 cities and both major political parties gathered in San Francisco to organize their own efforts to reduce the causes and consequences of global warming. Their goal was to reduce greenhouse emissions in their own cities by the same 7 percent that the United States had agreed to in the Kyoto Protocol.

As of 2014, a total of 1,060 out of 1,139 mayors of U.S. cities had signed the U.S. Conference of Mayors Climate Protection Agreement. Among the reasons the mayors cited for supporting this agreement were concerns in their communities over increasing droughts, reduced supplies of fresh water due to melting glaciers, and rising sea levels in coastal cities. “The United States inevitably will have to join this effort,” Seattle mayor Greg Nickels said. “Ultimately we will make it impossible for the federal government to say no. They will see that it can be done without huge economic disruption and that there’s support throughout the country to do this.”

Similar actions are being taken at the state level. In 2005, then-governor of California Arnold Schwarzenegger stated at a press conference, “The debate is over . . . and we know the time for action is now.” In 2006, Governor Schwarzenegger signed the California Global Warming Solutions Act. The goal of the act was to bring California into compliance with the Kyoto Protocol by 2020, an effort that would require a 25 percent reduction in greenhouse gases for a state that, if a country, would be the tenth largest producer of greenhouse gases in the world. At the signing ceremony, the governor stated, “I say unquestionably it is good for businesses.” Indeed, a cost analysis by the California Air Resources Board in 2008 indicated that the law would add $27 billion to the economy of the state and add 100,000 jobs.

The California effort is gaining popularity around the country. In the northeastern United States, for example, nine states have joined together collectively to form the Regional Greenhouse Gas Initiative to control regional production of greenhouse gases. A similar group emerged in western North America when seven western states and four Canadian provinces joined together in 2007 to form the Western Climate Initiative. For both groups, the goal was to to regulate greenhouse emissions. By 2014, northeastern group continued to work together while the western group had a reduced membership that included only California and the four Canadian provinces.

A number of large businesses are also joining in efforts to reduce greenhouse gases. General Electric, for example, announced in 2014 that it had reduced its greenhouse emissions by 34 percent since 2004. In addition, the company has invested $12 billion for research and development of technologies that can reduce greenhouse gases and is planning to invest a total of $25 billion by 2020. In 2011, General Electric announced that its technology generated more than $100 billion in revenues, which confirmed that creating technology that would reduce greenhouse emissions was a profitable thing to do.

In 2013, the New York Times reported that a growing number of companies including Microsoft, ExxonMobil, and Google have developed long-term financial plans that include the cost of producing greenhouse gases. These companies recognize that the scientific evidence of human-caused global climate change continues to grow and that they will increasingly need to factor the costs of emissions into their budgets. Those companies that include plans to accommodate and reduce these costs are likely to profit from such planning.

From these stories, it is clear that progress on reducing greenhouse gases that cause global warming does not have to wait for national and international agreements to take effect. The public overwhelmingly understands that Earth is warming, states and cities are pushing forward with solutions that save money, and large corporations understand that reducing emissions can reduce costs and improve profits over the long term. In short, curbing greenhouse gases and global warming is not only good for humans and the environment, it can be good for business as well.

Critical Thinking Questions

1.What data might city mayors use to support their assertion that humans are causing global warming?

2.Why is it more effective for states and provinces to create regional partnerships to combat global warming rather than doing so alone?

14.7 Batch and continuous biomass production Pseudomonas methylotrophus is used to produce single cell protein from methanol in a 1000-m3 pressure-cycle airlift fermenter. The biomass yield from substrate is 0.41 g/g, KS is 0.7 mg/l, and the maximum specific growth rate is 0.44 1/h. The medium contains 4% (w/v) methanol. A substrate conversion of 98% is desirable. The reactor may be operated in either batch or continuous mode. If operated in batch, an inoculum of 0.01% (w/v) is used and the downtime between batches is 20 h. If continuous operations are used at steady state, a downtime of 25 days is expected per year. Neglecting maintenance requirements, compare the annual biomass production achieved using batch and continuous reactors.

Humans in the food chain

Part One: Explain the terms

What is meant by the following terms? Define them in short but clear sentences.

            Food chain

            Food web

            Ecosystem

            Producer

            Consumer

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Part Two: Your position in the food chain

Where do you place yourself in a food chain or food web in your ecosystem? Are you a producer, primary, secondary or tertiary consumer? Explain your ideas in a paragraph.

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Note: Plagiarism is strictly prohibited please do not copy from internet

The formation of this type of drainage pattern is dependent on the variable discharge and high sediment load of the river (as we discussed last week). The volume of water flowing down a glacier river changes from morning to night, and from season to season, and this change effects the amount of sediment the river can carry. Why does the discharge of the river change so dramatically over such short time scales?

1. Which type of Fog is associated with coastal environments? Radiation or Advection
2. T/F Tornadoes should have a steeper Pressure Gradient than Hurricanes.
3. What is the tool that is used to measure atmospheric pressure?_________
4. What is Insolation? (I want it the way we have been defining it in class)

5. When air gets colder it should make relative humidity increase or decrease_.
6. T/F Condensation gives off heat to the surrounding environment.
7. What form of uplift leads to most of the rain along the Equator? ConvectionFrontal           Orographic
8. T/F During the summer months, Southern California often experiences warm fronts.
9. The fastest winds in a Hurricane are found near the _____________.

a. Eye    b. Eye Wall c. Spiral Bands

A suspension of calcium carbonate particles in water flows through a pipe. An engineer was asked to determine both the flow rate and the composition of this slurry. The engineer proceeded to collect the stream in a graduated cylinder for a time given in the table below. The engineer weighed the cylinder, evaporate the collected water, and reweighed the cylinder. The following results are obtained based on two occasion

create Matlab programming to calculate:

1. The volumetric flow rate and mass flow rate of the suspension
2. The density of the suspension
3. The mass fraction of CaCO3 in the suspension

Balance the following redox equation in basic solution.  What is the coefficient of the water?  NO ₂^-(aq) + Al(s) → NH ₃(g) + AlO ₂^-(aq)

A pure species (decadane) has an equation of state: ??/?? = 1-?′? + ?′? 2 . Here, B’ and C’ are functions of temperature only and their values are: 1.2 x 10-7 Pa-1 and 3.2 x 10-14 Pa-2 respectively at 300 K. Calculate decadane’s fugacity and fugacity coefficient at 25 bar and 300 K. (20 points). What kind of intermolecular interactions exist at these conditions? Explain

Describe the surface and deep ocean circulation of Panthalassa. Consider radiative imbalance, Coriolis, and the way the placement of continents on the current earth impact atmospheric and oceanic circulation.

Water at a mean velocity of 0.2 m/s is heated from 20 to 40°C by passing it through a 0.5-cm-ID tube. The 2
surface is heated with a uniform heat flux of 6000 W/m . Find the following: a) The length required to heat the water to a given temperature.,b) the surface temperature at the inlet of the tube. Given that the following information: The physical properties of liquid at 30 °C:
?? =4182?⁄??.°?,?=0.6405?⁄?.°?,??=3.57,?=0.5537×10−6?2⁄?,?=988??⁄?3

Give a detailed explanation to the following question.

Compare and contrast two types of herbicides commonly used in agriculture in terms of mode of action, application, selectivity, characteristics in soils and degradation pathways.