Answer:
b. As particles travel in straight lines, their paths sometimes meet, and then they bounce apart with no gain or loss of energy.
Explanation:
Kinetic - molecular theory -
According to this theory , gas is considered to be as a large number of very small particles , which moves randomly , and due to this randomness collisions occurs , as the particles collide with each other and the wall of the container .
During these collisions , there is no loss or gain of energy , there is only transfer of energy .
B. because the little number below the H stands for how many atoms there are, and b has 1 more Hydrogen atom than A does.
(I think)
Answer:
the devising or choosing of names for things, especially in a science or other discipline.
Explanation:
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Answer: -
Lavoisier proposed that all matter is composed from the same elements.
Explanation: -
Lavoisier was a french chemist. He was a pioneer of stoichiometry. He proposed that all matter, irrespective of the physical state, is composed from the same elements.
Thus water, ice and water vapor all have the elements hydrogen and oxygen in the same ratio 2:1.
Lavoisier also was the one who defined the element as something which cannot be further broken down into simpler substances by any chemical means.
Cytoplasm -Most chemical processes take place here, controlled by enzymes
Cell membrane -Controls the movement of substances into and out of the cell
Mitochondria -Most energy is released by respiration here
