Category: Uncategorized

In two to three sentences explain dioxins and health concerns associated with these.

In 2002, a sugarcane molasses-fed 100 million liters per year, continuous-fermentation ethanol plant was designed in detail and the total purchased equipment costs to construct this plant was estimated to be $12 million. It is now proposed to revive this technology and construct a 100 million gallons per year ethanol plant using the same feedstock. Estimate the total purchased equipment cost for constructing this plant in 2021 (month of May).

For corporations, the following lists the advantages and disadvantages. True or False? Advantages: Limited liability for owners; Can raise large amounts of capital; Easy to transfer ownership Disadvantages: Double taxation 

Quinine is used to treat malaria and has a molar mass of 325 g / mol.  If the empirical formula is C10H12NO, what is the molecular formula of quinine?

The STP density of the refrigerant gas Freon-22 is 3.86 g / L.  Calculate the molar mass for Freon-22.

If you invest $4,000 today and it grows to $9,000 in 10 years, the annual rate of return (rounded to two decimal places) on the investment is 

Consider the limiting reactant concept and predict how many liters of steam are released from the reaction of 10.0 L of hydrogen gas and 10.0 L of oxygen gas.             H2 (g)  +  O2 (g)                 >   H2O (g)

What type of chemical reaction is illustrated in the following equation?                      Al (s)    +     O2 (g)                   >     Al2O3 (s)          

Suppose you are interested in an investment that will pay you $5,000 in 6 years. Similar investments are offering a return of 8% per year (opportunity cost). a.  What would you be willing to pay for the investment?  Show your work. b.  Would you buy the investment if the market price is $3,500?  

The modern periodic law states that the properties of the elements repeat when the periodic table is arranged according to which of the following?