Fall 24 Chemistry Exam

Front

What is precision in measurements?

Back

Precision refers to the closeness of two or more measurements to each other. A precise measurement has little variation when repeated.

Front

What is the boiling point of water in degrees Celsius?

Back

The boiling point of water is 100°C.

Front

How do you determine the total volume of liquids measured with different graduated cylinders?

Back

Add the volumes measured in each graduated cylinder, ensuring to consider significant figures.

Front

What are significant figures?

Back

Significant figures are the digits in a number that contribute to its precision, including all non-zero digits, zeros between significant digits, and trailing zeros in the decimal portion.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What does it mean for a scientific investigation to be repeatable?

Back

A repeatable investigation means that the same experiment can be conducted multiple times under the same conditions and yield the same results.

Front

What is volume?

Back

Volume is the amount of space that a substance (solid, liquid, gas) occupies.

Front

What is the highest temperature among 80°C, 80 K, and 80°F?

Back

80°C is the highest temperature.

Front

What is the formula for calculating density?

Back

Density = Mass / Volume.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.