# Chemistry homework help

## chemistry hw help??

i need them typed and show the work please in details. u have 15 hours from now, if u couldnt make them on time please , u dont need to a time .

## If the annual interest rate is 5 percent, the present discounted value of $100 to be received in one year is

Question 1

If the annual interest rate is 5 percent, the present discounted value of $100 to be received in one year is:

Select one:

A. $105

B. $90

C. $80

D. $95.23

Question 2

The difference between accounting and economic profit is:

Select one:

A. caused by confusion over tax laws

B. the value of owned resources in their next best alternative use

C. the result of superior training received by accountants

D. proportionately very small for owner-managed firms

## Consider a regression situation in which y = hardness of molded plastic

Consider a regression situation in which y = hardness of molded plastic and x = amount of time elapsed since termination of the molding process. Summary quantities included the following.

n = 16, SSResid = 1236.43, and SSTo = 25,320.368.

(a) Calculate a point estimate of σ. (Give the answer to three decimal places.)

On how many degrees of freedom is the estimate based?

## chem 462

Updated_ASV Experiment 8 (1)-2.docx this is the experiment I would like write in my report abstract, introduction , suggested procedure, Results and Discussion, Conclusions, answer questions , and reference.