Two Pure Substances a and B React to Form a New

question 88

Multiple Choice

Two pure substances A and B react to form a new pure substance C. From this, we may conclude that

• A)A and B are both elements
• B)C is a compound, A and B may or may not be elements
• C)C is an element, A and B are compounds
• D)A, B, and C are all compounds

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Definitions:

Laspeyres Price Index

A measure of the change in the overall price of a specific set of goods and services over time, using the quantities of the goods and services purchased in the base period.

Consumption Bundle

A combination of goods and services that a consumer chooses to consume at a given time.

Prices

The total monetary value expected, called for, or delivered in payment for an object.

Laspeyres Price Index

A price index used to measure the change in the cost of purchasing a fixed basket of goods and services over time, based on the quantities purchased in the base period.