Hey I have a chemistry test tomorrow, any good test advice or tips for me?

Write the balanced equation for the production of oxygen gas and potassium chloride from the decomposition of potassium chlorate.

Why do elements undergo chemical reactions?

All species in a vegetative region is called a: city park biome sphere

A 1.0 m solution of hydrochloric acid is mixed with an equal volume of sodium hydroxide solution. the resulting solution turns ph paper blue, meaning the solution is basic.

If 125mL of a 0.15M NaOH solution is diluted to 150mL, what will the new molarity of the solution be?

Molybdenum has a molar mass of 95.94g/mol. How many molecules of molybdenum are in 150.0 g of molybdenum

Describe a way that people might be able to solve each envioronmental problem listed below. coal mining can harm habitats and cause pollution.

A sample of methane gas occupies 4.50 gallons at a temperature of 80.0 F. If the pressure is held constant, what will be the volume of the gas at 100. degrees C?

Jack wants to know if it takes longer for warm water to freeze into ice cubes than cold water, so he performed the following experiment. Jack placed 50 mL of water in the refrigerator and allowed it to cool to a temperature of 4°C.

How to calculate average concentration