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Questions and Answers
What is the definition of a base according to Svante Arrhenius?
What is the definition of a base according to Svante Arrhenius?
- A substance that dissociates in aqueous solution to form hydroxide ions (correct)
- A substance that changes the color of pH indicators
- A substance that increases the hydronium concentration in water
- A substance that reacts with acids to form water
What characteristic properties are associated with aqueous hydroxide solutions?
What characteristic properties are associated with aqueous hydroxide solutions?
- Sticky to the touch, sour taste, and turn litmus paper red
- Slippery to the touch, bitter taste, and change the color of pH indicators (correct)
- Smooth to the touch, salty taste, and turn litmus paper green
- Rough to the touch, sweet taste, and turn litmus paper blue
What is the pH of a solution yielded by a base at standard conditions?
What is the pH of a solution yielded by a base at standard conditions?
- Higher than 7.0 (correct)
- Exactly 7.0
- Lower than 7.0
- Depends on the specific base
What is a soluble base called if it contains and releases OH− ions quantitatively?
What is a soluble base called if it contains and releases OH− ions quantitatively?
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Why are bases and acids seen as chemical opposites?
Why are bases and acids seen as chemical opposites?
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What is the formula to find the n-th term of an arithmetic progression?
What is the formula to find the n-th term of an arithmetic progression?
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What is a finite portion of an arithmetic progression called?
What is a finite portion of an arithmetic progression called?
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What is the sum of a finite arithmetic progression called?
What is the sum of a finite arithmetic progression called?
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Who is often credited with reinventing the method to compute the sum of integers from 1 through 100 using arithmetic progression?
Who is often credited with reinventing the method to compute the sum of integers from 1 through 100 using arithmetic progression?
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What is the common difference in the arithmetic progression: 3, 7, 11, 15, 19, ...?
What is the common difference in the arithmetic progression: 3, 7, 11, 15, 19, ...?
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