What is one limitation of descriptive investigations?
They cannot show cause and effect.
They produce lots of data.
They can be done at a lower cost.
They follow procedures.

What type of reaction is zn + cucl2 → cu + zncl2?

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2