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Air that initially occupies 0.25 m3 at a gauge pressure of 110 kPa is expanded isothermally to a pressure of 101.3 kPa and then cooled at constant pressure until it reaches its initial volume. Compute
answered
Nov 17, 2020
Physics
high-school
3
votes
200k
views
Someone please help me on question 2. It’s urgent!
answered
May 31, 2020
Mathematics
middle-school
5
votes
132k
views
Which of the following is an example of a self-fulfilling prophecy? A woman thinks her marriage will fail, so she stops being affectionate with her husband and then he leaves. A man tries to find new work
answered
Apr 5, 2020
Social Studies
high-school
2
votes
152k
views
Newton’s first law states that if an objects velocity is changing a _____ must be acting on it. a) force b) mass c) acceleration d) inertia
answered
Feb 23, 2020
Physics
middle-school
3
votes
33.4k
views
Look at the figure, . Find the values of x and y. x = 5, y = 7 x = 6, y = 8 x = 6, y = 9 x = 7, y = 10
answered
Feb 21, 2020
Mathematics
middle-school
2
votes
83.5k
views
The diagram illustrates photosynthesis. Which best describes what is happening in the area marked X? Carbon dioxide enters the stem through xylem. Oxygen enters the stem through stomata. Water is carried
answered
Sep 14, 2019
Chemistry
high-school
3
votes
34.2k
views
Who led the first expedition to reach Asia by sailing west across the Pacific ocean
answered
Jul 19, 2019
Social Studies
middle-school
7
votes
60.8k
views
What is the correct temperature for barbecue chicken that is being prepared at an outdoor event?
answered
May 21, 2019
Biology
high-school
7
votes
112k
views
Josh was blowing bubbles through a straw into a glass of tap water. As Josh exhaled into the straw, he blew carbon dioxide gas into the water. The harder he blew, the more bubbles entered the water. The
answered
Mar 8, 2019
Chemistry
middle-school
2
votes
127k
views
What is 816 divided by 850 = what percent
answered
Nov 19, 2018
Mathematics
high-school
1
vote
192k
views
Explain how "tansen's gift" supports the idea that intelligence does not always come from formal education
answered
Oct 27, 2018
English
middle-school
6
votes
177k
views
Compared with the medical model of health, the biopsychosocial model approach to health and well-being
answered
Oct 21, 2018
Health
college
1
vote
37.8k
views
They says that soldiers and settlers dug for treasure in the cherokee burial grounds. this shows that they show respect or disr
answered
Aug 25, 2018
History
high-school
6
votes
210k
views
How did the geography of the steppes affect the way the Mongols lived
answered
Jul 7, 2018
History
middle-school
7
votes
169k
views
To solve the system of linear equations 3x+5y=2 and 6x+10y=8 by using the linear combination method, Laura correctly multiplied the first equation by –2 to get -6x-10y=-4 and then correctly added the equations
answered
Jul 4, 2018
Mathematics
high-school
4
votes
83.7k
views
During the Middle Ages, Arabia was relatively isolated from the benefits of the Silk Roads primarily because
answered
Dec 30, 2017
History
high-school
3
votes
152k
views
Which items are needed for a plant to become fertilized?
answered
Aug 30, 2017
Chemistry
high-school
3
votes
219k
views
10 president of united States
answered
Mar 2, 2016
English
high-school
2
votes
81.2k
views
A hypothesis that has been rigorously tested is called
answered
Jan 30, 2015
Biology
high-school
1
vote
207k
views
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