subject

Physics, 30.10.2019 04:31 dmfraley01

1-ft3 of air is contained in a spring-loaded piston-cylinder device. the spring constant is 6lbf/in, and the piston diameter is 12 in. when no force is exerted by the spring on the piston, the state of the air is 250 psia and 450◦f. this device is now cooled until the volume is one-third its original size. determine the change in the specific internal energy and enthalpy of the air.

ansver

Answers: 2

Show answers

Another question on Physics

question

Physics, 22.06.2019 08:30

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.

Answers: 3

question

Physics, 22.06.2019 20:00

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?

Answers: 3

question

Physics, 22.06.2019 21:30

What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change

Answers: 1

question

Physics, 22.06.2019 22:00

Agirl throws a ball. if the ball's acceleration is 12 m/sec/sec and its mass is 0.5 kg, how much force did the girl apply to the ball?

Answers: 1

You know the right answer?

1-ft3 of air is contained in a spring-loaded piston-cylinder device. the spring constant is 6lbf/in,...

Questions

question

Chemistry, 02.07.2019 06:20

Iodine is prepared both in the laboratory and commercially by adding cl2(g) to an aqueous solution containing sodium iodide. 2nai(aq)+cl2(g)⟶i2(s)+2na...

question

Business, 02.07.2019 06:20

Iris souza started the summer with $30. she took $10 and made signs for her dog walking service. she posted the signs all over her neighborhood. she u...

question

Business, 02.07.2019 06:20

Rachelle owns a warehouse that she purchased in september, 19 years ago. the purchase price was $400,000. during may of the current year (year 20), ra...

question

Chemistry, 02.07.2019 06:20

An aqueous of h3po4 was prepared by dissolving 8.85 g in enough water to make 350.0 ml solution. also, an aqueous solution of ca(oh)2 was prepared by...

question

Chemistry, 02.07.2019 06:20

Proteoglycans are part of the extracellular matrix; they provide structure, viscosity and lubrication, and adhesiveness. they are composed of protein...

question

Mathematics, 02.07.2019 06:20

The probability of a randomly selected adult in one country being infected with a certain virus is 0.003. in tests for the virus, blood samples from 2...

question

Mathematics, 02.07.2019 06:20

Let g1 = km (m ≥ 2) and g2 = wn (n ≥ 3), where g1 and g2 aregraphs. how many edges are in g1 u g2 if g1 and g2 have p(1≤ p ≤ min{m, n}) vertices in co...

question

Mathematics, 02.07.2019 06:20

We have 7 boys and 3 girls in our church choir. there is an upcoming concert in the local town hall. unfortunately, we can only have 5 youths in this...

question

Mathematics, 02.07.2019 06:20

Determine the number of police officers that should be scheduled to begin the 8-hour shifts at each of the six times to minimize the total number of o...

question

Physics, 02.07.2019 06:20

Amoving particle encounters an external electric field that decreases its kinetic energy from 9970 ev to 6340 ev as the particle moves from position a...

question

Business, 02.07.2019 06:20

Suppose that in 2012 abc corp. produced 500 million units of a good at an average cost of $2, and in 2013 abc corp. expanded its plant capacity and pr...

question

French, 02.07.2019 06:20

Complete the following dialogue with the correct pronoun below: "vous répondez aux journalistes? " "oui, nous répondons." a. le b. les...

question

English, 02.07.2019 06:20

Write an analysis of the poem from the new criticism perspective, closely examining the form and content of the text itself without any reference to t...

question

Health, 02.07.2019 06:20

Which statement explains one way that coping strategies are ? they people make more friends. they allow people to avoid experiencing sad...

question

Mathematics, 02.07.2019 06:20

Two consecutive positive integers have aproduct of 6. what are the integer?...

question

English, 02.07.2019 06:20

What strategy is sojourner truth using in this passage...

question

Mathematics, 02.07.2019 06:20

Solve the system of equations below by graphing both equations with a pencil and paper. what is the solution? y=x+5 y=-2x-1

question

Mathematics, 02.07.2019 06:20

Write a paragraph comparing the two classes' semester grades. be sure to compare the extremes, the quartiles, the medians, and the different types of...

question

Mathematics, 02.07.2019 06:20

Rewrite the expression using an exponent...

question

Social Studies, 02.07.2019 06:20

what type of economy does north korea have?...

More questions: Physics Another questions

Questions on the website: 13722363