Which energy profile best shows that the enthalpy of formation of CS2 is 89.4
kJ/mol?
A
...
Chemistry, 01.07.2021 18:40, swordnewsnetwork
Which energy profile best shows that the enthalpy of formation of CS2 is 89.4
kJ/mol?
A
00
B
Energy
Energy
Energy
Energy
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Reaction
Progress
Reaction
Progress
Reaction
Progress
O A. Energy profile D
OB. Energy profile A
O C. Energy profile B
O D. Energy profile C
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Answers: 3
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What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist
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Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests. which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory
Answers: 3
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Air pressure is measured in pascals. for a professional american football game, the ball should be inflated to about 90,000 pascals. scientists studied the effects of air temperature on the pressure inside american footballs by taking these steps: 1. prepare 100 footballs. 2. measure each football's air pressure. 3. divide footballs into 10 groups. 4. place the groups in different lockers cooled to different air temperatures. 5. after 12 hours, remove the footballs from lockers. 6. measure each football's pressure again. 7. compare the new pressures to the starting pressures. what two terms best describe the variable "air pressure inside the football" in this experiment? independent, qualitative independent, quantitative dependent, qualitative dependent, quantitative
Answers: 3
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