How does a thermometer indicate the temperature of an object?

Why is CaF2 not a molecular formula? Which of the following is not an example of a molecular formula? a. H2O c. CaF2 b. NH3 d. O2

Why can an increase in temperature lead to more effective collisions between reactant particles and an increase in the rate of a chemical reaction?

What was johann dobereiners contribution to the development of the periodic table

What are the [H+] and [OH-] for a substance with a ph of 9.2?

Which of these statements about mixtures is true? Mixtures are made up of elements bonded together. Elements and compounds are types of mixtures. Pure substances are made up of mixtures combined in specific ratios.

Fatty acids consist mainly of carbon and hydrogen, and so fatty acids are a. nonpolar and do not dissolve in water. b. nonpolar and dissolve in water. c. polar and do not dissolve in water. d. polar and dissolve in water.

Consider the model of a sodium atom. An orange circle labeled upper N a is surrounded by three concentric circles. The innermost ring has dots at the north and south positions.

In the following reaction: Mg + 2HCl → MgCl2 + H2 How many liters of H2 would be produced if you started with 24.3 g of Mg?

How much heat, in calories, is given off when 1.25 grams of silver is cooled from 100.0°C to 80.0°C? (The specific heat of silver is 0.057 cal/g°C)

A. What is temperature really a measure of?