Questions by Doan Cuong

Questions by Doan Cuong

Within a piston-cylinder assembly, 2.5 kg air executes Carnot power cycle. During the process of isothermal expansion, heat transfer to air is 50 kJ. Volume is 0.45 m3 at the end of isothermal expansion

asked May 26, 2021

1 answer

2 votes

106k views

Help! is my answer correct?

asked May 19, 2021

1 answer

0 votes

76.0k views

What are the main purposes for writing a resume? Select two options.

asked Mar 24, 2021

1 answer

5 votes

90.4k views

Distribute and combine like terms. 3(2x-1)+5

asked Oct 18, 2020

2 answers

5 votes

176k views

Mark and Henry win some money and share it in the ratio 3:4. Mark gets £27. How much did they win in total?

asked Sep 21, 2020

1 answer

1 vote

178k views

13. For what value of b would the following system of equations have an infinite number of solutions? 9x + 12y = 21 6x + 8y = 7b Please explain and show steps :)

asked Jul 2, 2020

1 answer

3 votes

8.9k views

June 1st = 1223 starting balance June 10th = 615 deposit June 15th = withdrawal of -63 June 22nd = withdrawal of -120 What is the average daily balance for the month of June. June has 30 days .

asked May 24, 2020

2 answers

5 votes

118k views

How does president Kennedy frame the history of progress in the race to space speech?

asked Feb 5, 2020

1 answer

3 votes

119k views

Write sentences using the correct form of either ser or estar and the information provided. Make any necessary changes. Grammar presentation Tutorial Questions Modelo Alejandra / cansado Alejandra está

asked Jan 26, 2020

1 answer

4 votes

120k views

Which of the following quotes indicates omitted text? A. "You could go crazy thinking of how public our lives really are—the omnipresent security cameras, the tracking data on our very smart phones, the

asked Dec 14, 2018

2 answers

1 vote

46.3k views

Find the area of the complex.

asked Jun 26, 2018

2 answers

4 votes

148k views

What is 4 1/4 divided by 1 1/8

asked Jun 1, 2018

2 answers

3 votes

189k views

What is the best way to prevent accidents in the lab? A) know exactly what you will be doing and what equipment and chemicals you will be using B) trust that your lab partner will follow the directions

asked Feb 17, 2018

1 answer

3 votes

210k views

Convert 76000 ml into L. Please show your work.

asked Jul 5, 2017

1 answer

3 votes

116k views

according to the periodic table, which of the following is the correct symbol for the element copper? a. cl b. cu c. co d. cr

asked Feb 23, 2017

2 answers

4 votes

228k views

Why can metal utensils get too hot to touch when you are cooking with them

asked May 21, 2016

1 answer

5 votes

112k views

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