Scelta multipla
In the context of a concentration gradient across a membrane, it is energetically favorable for protons to flow in which direction?
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8. Thermochemistry
Nature of Energy
Scelta multipla
Which of the following units is commonly used to measure energy in the International System of Units (SI)?
A
joule
B
newton
C
watt
D
volt
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Understand that the International System of Units (SI) defines specific base and derived units for various physical quantities.
Recall that energy is the capacity to do work or produce heat, and it is measured in a specific SI derived unit.
Identify the units given: newton, watt, volt, and joule, and recall what each unit measures:
- Newton (N) measures force.
- Watt (W) measures power, which is the rate of energy transfer.
- Volt (V) measures electric potential difference.
- Joule (J) measures energy or work done.
Therefore, the unit commonly used to measure energy in the SI system is the joule.
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