Questions by Esteban Araya

Questions by Esteban Araya

Air, modeled as an ideal gas, is compressed at steady state from 1 bar, 300 K, to 5 bar, 500 K, with 30 kW of power input. Heat transfer occurs at a rate of 4.000 kW from the air to cooling water circulating

asked May 27, 2021

1 answer

3 votes

182k views

Which of the following is not an indication of a chemical reaction? A) a substance dissolves B) formation of a precipitate C) color change D) the container gets cold

asked Mar 16, 2021

1 answer

4 votes

151k views

Which of the following hace a value equal to |37|? Select all that apply A. -37 B. |-37| C.0 D. -(-37) E. 37

asked Mar 13, 2021

1 answer

1 vote

117k views

A 0.30 kg ball is struck by a club with a +900 N force with a contact time of 0.017 s. What is the impulse on the ball?

asked Jan 12, 2021

1 answer

0 votes

59.4k views

Could something small like a baseball have as much momentum as car

asked Dec 9, 2020

2 answers

3 votes

92.3k views

Short Answer: (7) How was the Northern Renaissance similar to the Italian Renaissance? How was it different? (8) How did the Columbian Exchange encourage the growth of European colonies? (9) Explain two

asked Oct 3, 2020

1 answer

0 votes

142k views

How can an exception be explicitly raised in C++? How are exceptions bound to handlers in C++?

asked Jul 26, 2020

1 answer

2 votes

188k views

Y=-5x+1 y=3x-2 is(3,8) a solution of the system

asked Jul 1, 2020

1 answer

0 votes

79.9k views

Executive agreements bewteen presidents and heads of foreign countries are considered?

asked May 4, 2020

1 answer

1 vote

64.7k views

According to Greg, perfect cherry pies have a ratio of 240 cherries to 3 pies. How many cherries does Greg need to make 9 perfect cherry pies? Question 4 options: 80 cherries 726 cherries 363 cherries

asked Jul 7, 2019

2 answers

3 votes

99.0k views

What do phases mean!? Plz Help Me This Is A Proyect

asked Jul 4, 2019

1 answer

3 votes

87.0k views

ms.williams asked her class if the prefer doing their homework before school or afterschool. If the ratio of students who prefer doing homework before school to students who prefer doing homework afterschool

asked May 4, 2019

1 answer

3 votes

175k views

What prevents self-actualization from being more common?

asked Oct 16, 2018

1 answer

0 votes

173k views

Where the first astored hit earth?

asked Jan 25, 2018

1 answer

5 votes

71.6k views

In this excerpt from Jack London’s short story “To Build a Fire,” which sentences best show that the protagonist could be seen as prideful in his abilities rather than ignorant of his surroundings? But

asked Jan 20, 2018

2 answers

3 votes

121k views

If you mix the yellow and blue paint you produce green paint .in genetics this is analogous to ?

asked Dec 11, 2017

1 answer

4 votes

142k views

Biology answers many questions, but its main focus is

asked Jan 9, 2017

1 answer

2 votes

25.0k views

Does reversing the order of digits of a 2 digit prime number always result in a prime number

asked May 8, 2016

2 answers

3 votes

204k views

What are the definitions to 'law of soil' and 'law of blood' ? what does it mean ? please help me .

asked Apr 4, 2016

1 answer

4 votes

7.9k views

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