Unit 7/8 flashcardiziziziz version 2

Front

What is the formula to calculate mass from density and volume?

Back

Mass = Density × Volume

Front

What is the definition of an electrolyte?

Back

An electrolyte is a substance that dissociates into ions in solution and can conduct electricity.

Front

Which of the following is a strong electrolyte: NaCl, C2H6, or H2O?

Back

NaCl is a strong electrolyte.

Front

What is the specific heat capacity?

Back

Specific heat capacity is the amount of heat required to raise the temperature of 1 gram of a substance by 1°C.

Front

How do you calculate specific heat?

Back

Specific Heat = Heat Added / (Mass × Temperature Change)

Front

What does a red litmus paper indicate about a substance?

Back

It indicates that the substance is acidic.

Front

What is the normal melting point of a substance?

Back

The normal melting point is the temperature at which a solid becomes a liquid at 1 atmosphere of pressure.

Front

What is the significance of significant figures in measurements?

Back

Significant figures indicate the precision of a measurement.

Front

How do you convert milliliters to grams using density?

Back

Grams = Density (g/mL) × Volume (mL)

Front

What is the relationship between temperature change and heat added?

Back

Heat added is directly proportional to the temperature change for a given mass and specific heat.