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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the molecular formula of water?
💡 Hint: Count the hydrogens and oxygens.
Question 2
Easy
What shape does the water molecule have?
💡 Hint: Think about the arrangement of hydrogen atoms around oxygen.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the bond angle in a water molecule?
- 90 degrees
- 104.5 degrees
- 120 degrees
💡 Hint: Recall the unique structure of the water molecule.
Question 2
True or False: Water is a nonpolar molecule.
- True
- False
💡 Hint: Think about how the electrons are shared in the molecule.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the energy required to raise the temperature of 1 liter of water by 10 degrees Celsius. The specific heat of water is 4.18 J/g°C.
💡 Hint: Remember the equation for specific heat.
Question 2
Draw the Lewis structure of water and indicate the bond dipoles. Explain how this relates to its properties.
💡 Hint: Focus on the differences in electronegativity and the shape.
Challenge and get performance evaluation