True or false a substance that undergoes a physical change is a different substance with different properties after the change.

Whats another name for cytosol

What is a simple experiment that you could conduct to test your hypothesis?

Give reasons 1) copper utensils and sheets become blackish after some days

As accurately as possible find the residual molar volume of saturated liquid water at 83 bar.

If 22 mL of 0.137M MgCl2 is needed to completely react 15 mL of AgNO3 solution, what is the molarity of AgNO3?

Reactions that affect the nucleus of an atom are called? A. Fusions B. Radioactive decays C. Nuclear reactions D. Fissions

The amplitude of a wave is most directly related to what wave characteristic? Crest length Frequency Wavelength Wave height

Why is oil unable to dissolve well in water? Water is polar and oil is nonpolar, which means they have no attraction for each other. Oil molecules are too large to fit between the closely spaced water molecules in the liquid state.

The fertilizer ammonium sulfate is prepared by the reaction between ammonia and sulfuric acid. How many kg of ammonia are needed to produce 1x10^5 kg of (NH4) 2SO4?

The conversion of chemical energy to mechanical energy is best described by which example? A. sunlight warming the ground B. electricity boiling water C. fuel being combusted to power a rocket