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What’s the present value, when interest rates are 5%, of a $40 payment made every year forever?  Round your answer to the nearest dollar.

What is the stock system name for Cu+?

Which of the following shows a general increasing trend for electronegativity in the periodic table?

If a company doubles it’s earnings in 6 years, what is the earnings growth rate?  Round your answer to two decimal places.

What is the electron configuration for Ca2+ cation?

Complete the table below by combining cations and anions into chemical formulas.  Give the Stock system name for each of the compounds.   ions chloride ion sulfide ion nitride ion lead (IV) ion PbCl4 lead (IV) chloride

Which of the following statements is true regarding an ionic bond between calcium and oxygen in a CaO formula unit?

Suppose you want to retire at the age of 65. During your retirement years, you would like to have $70,000 per year from your investments. You believe that you can earn 6% per year during retirement and you expect to live until age 90. a.  How much must you have at age 65 for retirement? b.  If you are 25 years old, how much must you invest each month to meet your retirement needs? Assume you can earn 10% on your investments. Show your work.

A sample of propane gas has a volume of 14.0 L at 20°C and 723 torr.  What is the volume of this gas at 20°C when the pressure increases to 1.11 atm?

You would like to buy a car. You find a car that costs $45,000. You plan to put down 10% as your down payment and your bank is willing to extend you a 7 year loan at a rate of 5%. a) What are your monthly loan payments? b) How much interest will you pay over the entire life of the loan, assuming you made all payments as specified? c)  If you decide to include an additional $100 per month for principal repayment in with your monthly loan payment how long will it take to pay off loan? Show your work.