A piece of unknown material with a mass of 2.6 g is heated to 100 and dropped into 10 g of water at 22 C. The final temperature of the system was 23.83 C. What is the specific heat (C) of the material?

Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble

What happens to isotopes that are unstable?

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.