Compare the type of change that occurs when an iron bar rusts and when a substance freezes. Use complete sentences to justify the type of change that occurs.

At 740°C, the Keq is 0.0060 for this equation: CaCO3 (s) CaO (s) + CO2 (g). What is Q if [CO2] = 0.0050 M? A] 0.0060 B] 0.012 C] 0.0050 D] 0.010 E] 0.015

What would happen to a coral reef if sea levels suddenly rose?

What can be said of a closed system when an exothermic reaction proceeds in an aqueous solution?

Calculate the mass percentage of nacl in a solution containing 1.50 g of nacl in 50.0 g of water.

Express the answer in scientific notation and with the correct number of significant figures: (6.32 x 10-4) : 12.64 Your answer should have the same number of significant figures as the starting measurement. 872.4 mm =

True or False a gas that ignites a glowing splint is oxygen

An example of a disaccharide is saccharin-aspartame molecule True False

How is electricity generated in a nuclear power plant?

Where do the materials used to make electronic devices come from

Which of the following are likely to form an ionic bond? -silicon and oxygen -oxygen and oxygen -carbon and hydrogen -magnesium and oxygen