How Much Heat Is Necessary to Change 30 G of Water

question 47

Multiple Choice

How much heat is necessary to change 30 g of water at 10°C into water at 80°C?

• A) 0.21 kcal
• B) 2.1 kcal
• C) 4.5 kcal
• D) 0.51 kcal

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Definitions:

Required Reserves

The minimum amount of funds that a bank must hold in reserve against deposit account liabilities, as mandated by the central bank, to ensure bank liquidity.

Demand Deposits

Bank accounts that allow the holder to withdraw funds without advance notice, such as checking accounts.

Required Reserves

The minimum amount of funds that a bank must hold in reserve against specified deposit liabilities, as dictated by the central bank's regulations.

Primary Reserves

Liquid assets held by financial institutions to meet regulatory requirements and immediate liquidity needs.