Multiple Choice
Why is it important for scientists and engineers to adopt a common system of measurement units such as the SI system?
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- 1. Intro to General Chemistry3h 48m
- Classification of Matter18m
- Physical & Chemical Changes19m
- Chemical Properties7m
- Physical Properties5m
- Intensive vs. Extensive Properties13m
- Temperature12m
- Scientific Notation13m
- SI Units7m
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- Significant Figures9m
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- Conversion Factors16m
- Dimensional Analysis17m
- Density12m
- Density of Geometric Objects19m
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- 2. Atoms & Elements4h 16m
- The Atom9m
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- Ions27m
- Atomic Mass28m
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- 23. Chemistry of the Nonmetals2h 39m
- Main Group Elements: Bonding Types4m
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- The Electron Configuration Review16m
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- Noble Gas Compounds3m
- 24. Transition Metals and Coordination Compounds3h 16m
- Atomic Radius & Density of Transition Metals11m
- Electron Configurations of Transition Metals7m
- Electron Configurations of Transition Metals: Exceptions11m
- Paramagnetism and Diamagnetism10m
- Ligands10m
- Complex Ions5m
- Coordination Complexes7m
- Classification of Ligands11m
- Coordination Numbers & Geometry9m
- Naming Coordination Compounds22m
- Writing Formulas of Coordination Compounds8m
- Isomerism in Coordination Complexes14m
- Orientations of D Orbitals4m
- Intro to Crystal Field Theory10m
- Crystal Field Theory: Octahedral Complexes5m
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- Crystal Field Theory: Square Planar Complexes4m
- Crystal Field Theory Summary8m
- Magnetic Properties of Complex Ions9m
- Strong-Field vs Weak-Field Ligands6m
- Magnetic Properties of Complex Ions: Octahedral Complexes11m
1. Intro to General Chemistry
SI Units
Struggling with General Chemistry?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following is the SI unit of energy?
A
calorie
B
joule
C
newton
D
watt
Verified step by step guidance1
Understand that the SI unit system is the International System of Units used globally for scientific measurements.
Recall that energy is defined as the capacity to do work or produce heat.
Identify the SI base units related to energy: energy is measured in terms of force applied over a distance.
Know that the unit of force is the newton (N), and distance is measured in meters (m).
Combine these to find the SI unit of energy, which is the joule (J), defined as one newton meter (N\cdot m).
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