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Mohanad
Questions (29)
how many gram of ice at 0 c can be melted by the heat released when one gram of steam condense to water at 100 c
check my answer
3 answers
790 views
Indigenous people sometimes cook in watertight baskets by placing
hot rocks into water to bring it to a boil. What mass of 500ºC
3 answers
1,245 views
If you pour 0.0100 kg of 20.0ºC water onto a 1.20-kg block of ice
(which is initially at −15.0ºC ), what is the final
1 answer
1,236 views
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 25.0ºC is
placed in a freezer. What is the final temperature if 377 kJ of
0 answers
960 views
How many grams of coffee must evaporate from 350 g of coffee in a
100-g glass cup to cool the coffee from 95.0ºC to 45.0ºC ?
2 answers
1,798 views
a cylinder with movable piston contains 40 moles of an ideal gas it is placed in an ice water bath where it reach thermal
0 answers
500 views
When heat transfers into a system, is the energy stored as heat? Explain briefly.
2 answers
2,873 views
Putting a lid on a boiling pot greatly reduces the heat transfer necessary to keep it boiling. Explain why
0 answers
611 views
Assuming bicycle tires are perfectly flexible and support the weight of
bicycle and rider by pressure alone, calculate the total
4 answers
2,117 views
Water towers store water above the level of consumers for times of
heavy use, eliminating the need for high-speed pumps. How high
1 answer
1,900 views
A submarine is stranded on the bottom of the ocean with its hatch
25.0 m below the surface. Calculate the force needed to open
0 answers
944 views
pressure cookers have been around for more than 30 years, although their use has stongly declined in recent years.how much force
0 answers
544 views
A certain hydraulic system is designed to exert a force 100 times as large as the one put into it. (a) What must be the ratio of
0 answers
844 views
List the following in order of increasing force of attraction
1. an electron in the outer shell of carbon atom (in the ground
3 answers
626 views
A 0.240-kg billiard ball that is moving at 3.00 m/s strikes the bumper
of a pool table and bounces straight back at 2.40 m/s (80%
1 answer
1,813 views
Competitive divers pull their limbs in and curl up their bodies when they do flips. Just before entering the water, they fully
1 answer
1,996 views
What force should the woman in Figure 9.45 exert on the floor
with each hand to do a push-up? Assume that she moves up at a
1 answer
2,645 views
During a circus act, an elderly performer thrills the crowd by catching a cannon ball shot at him. The cannon ball has a mass of
2 answers
3,378 views
during a circus act, an elderly performer thrills the crowd by catching a cannon ball shot at him the ball mass is 10.0 kg and
0 answers
636 views
train car are coupled together by being bumped into one another. suppose two loaded train cars are moving toward one another,
2 answers
1,063 views
A 2400 kg car moving at 11 m/s crashes into a tree and stops in 0.26 s. calculate the force the seat belt exerts on passenger in
1 answer
942 views
A 125.0 mg sample of an unknown, monoprotic acid was dissolved in 100.0 mL of distilled water and
titrated with a 0.050 M
1 answer
2,257 views
A shopper pushes a grocery cart 20.0 m at constant speed on level
ground, against a 35.0 N frictional force. He pushes in a
4 answers
3,675 views
calculate the work done on a 1550kg elevator car by its cable to lift it 40 m at constant speed assuming friction average 125 n
1 answer
627 views
astronomical observations of our milky way galaxy indicate that it has a mass about 8.0 *10^13 times the mass of our sun. a star
0 answers
825 views
How much 6.0M NaoH must be added to 0.5L of a buffer that is 0.0200M acetic acid and 0.0250M sodium acetate to raise the PH to
1 answer
421 views
How much 6.0M NaoH must be added to 0.5L of a buffer that is 0.0200M acetic acid and 0.0250M sodium acetate to raise the PH to
0 answers
511 views
Two children pull a third child on a snow saucer sled exerting forces
F1 and F2 as shown from above in Figure 4.36. Find the
1 answer
6,312 views
One half the distance from Boston to New York minus 25
1 answer
450 views
Answers (3)
how many gram of ice at 0 c can be melted by the heat released when one gram of steam condense to water at 100 c
no thing given rather then this information and this is exam question how i can look for ionization energy?
One half the distance from Boston to New York minus 25
