A sample of an unknown substance has a mass of 89.5g. If 345.2 J of heat are required to heat the substance from 285K to 305k, what is the specific heat of the substance?

What is the molality of a solution that has 4 mol of kci in 0.800 kg of water

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

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