Business, 09.11.2019 03:31 fannylrevelo123

A36 g aluminum spoon (specific heat 0.904 j/g·°c) at 25°c is placed in 181 ml (180. g) of coffee at 86°c and the temperature of the two become equal.
(a) what is the final temperature (in °c) when the two become equal? (assume that coffee has the same specific heat as water, 4.1801 j/g·°c.)
(b) the first time a student solved this problem she got an answer of 89°c. explain why this is clearly an incorrect answer.

Answers: 2

Show answers

Another question on Business

Business, 21.06.2019 18:00

Abc company currently pays a dividend of $2.15 per share, d0=2.15. it is estimated that the company’s dividend will grow at a rate of 30 percent per year for the next 3 years, then the dividend will grow at a constant rate of 7 percent thereafter. the market rate of return is 9 percent. what would you estimate is the stock’s current price?

Answers: 3

Answer

Business, 21.06.2019 20:20

Accounts receivable arising from sales to customers amounted to $40,000 and $55,000 at the beginning and end of the year, respectively. income reported on the income statement for the year was $180,000. exclusive of the effect of other adjustments, the cash flows from operating activities to be reported on the statement of cash flows is

Answers: 2

Answer

Business, 22.06.2019 19:30

Adisadvantage of corporations is that shareholders have to pay on profits.

Answers: 1

Answer

Business, 22.06.2019 19:40

Moody corporation uses a job-order costing system with a plantwide predetermined overhead rate based on machine-hours. at the beginning of the year, the company made the following estimates: machine-hours required to support estimated production 100,000 fixed manufacturing overhead cost $ 650,000 variable manufacturing overhead cost per machine-hour $ 3.00 required: 1. compute the plantwide predetermined overhead rate. 2. during the year, job 400 was started and completed. the following information was available with respect to this job: direct materials $ 450 direct labor cost $ 210 machine-hours used 40

Answers: 3

Answer

You know the right answer?

A36 g aluminum spoon (specific heat 0.904 j/g·°c) at 25°c is placed in 181 ml (180. g) of coffee at...

Questions