biochem module 2 exam questions with correct answers 2024/2025
biochem module 2 exam questions with correct answers 2024/2025 The pH of a solution of 0.0010 M NaOH is: 1 11 8 0 14 - Correct Answer 11 [Kw=[H+ ][OH- ] = 1.0 x 10-14; [H+ ][0.0010] = 1.0 x 10-14 [H+ ]=1.0 x 10-11; pH=-log[1.0 x 10-11;]=11] Water is a unique molecule. Which of the following contributes to water's unique place in the chemical world? - The geometry of the molecule - The polarity of the O-H bonds - The ability of water molecules to hydrogen bond - The bond angle of water - All of the answers are correct - Correct Answer - All of the answers are correct The bent shape of water is due to ______________. - The dipole arrows in a water molecule - - The electronegativity difference between hydrogen and oxygen - The unequal electron sharing between hydrogen and oxygen - The unshared electron pairs on the oxygen atom - None of the answers are correct - Correct Answer - The unshared electron pairs on the oxygen atom The H+ concentration of a solution is 1.2 x 10-3 M. What is the pH?
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- Subido en
- 8 de junio de 2024
- Número de páginas
- 5
- Escrito en
- 2023/2024
- Tipo
- Examen
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