Everything is right except the last one. the last one is
Heat and matter can both transfer between the system and the surroundings.
Can someone check my answers for me? Thanks.
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A chemist is performing a chemical reaction under a fume hood. The chemist has a set of beakers, flasks, and tubes set up under the fume hood, with various liquids being combined inside the glass containers. The fume hood is turned on in order to withdraw any toxic gases and expel them outside the building.
Which part of this system is designated as the surroundings?
liquid contents of the glass containers
inside the fume hood < MY ANSWER
the glass containers
outside of the building
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Which option is an example of an open system?
the sun in outer space
a fertilized chicken egg
an erupting volcano < MY ANSWER
a pressure cooker
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Which statement accurately describes a reaction with very high heat energy?
few molecular collisions occurring slowly
many molecular collisions occurring slowly
many molecular collisions occurring quickly < MY ANSWER
few molecular collisions occurring quickly
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A reaction is occurring in a test tube. How is heat transmitted to the surroundings?
All of the heat escapes out of the open top of the test tube as molecules collide with the air.
Molecules collide with the glass, and the glass molecules then transmit that energy to the outside. < MY ANSWER
Heat is carried out with matter as matter is changed with the surroundings.
As bubbles are formed and gas escapes, the heat is carried with the rising bubbles.
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Which statement is true for an open system?
Heat but not matter can transfer between the system and the surroundings.
Heat and matter can both transfer between the system and the surroundings.
Heat and matter cannot transfer between the system and the surroundings.
Matter but not heat can transfer between the system and the surroundings. < MY ANSWER
3 answers
Yep, you were correct! Thanks.
Shank You
1 answer