A 33.69 g sample of a substance is initially at 29.4 °c. after absorbing 1623 j of heat, the temperature of the substance is 110.8 °c. what is the specific heat (sh) of the substance?

Does an electron cloud swirl around the inside of an atom? True or false?

A. Which date shows a waning crescent?

Why does permeable rock weather more than less permeable rock

What property of water allows it to stick to a dry surface, such as a wooden countertop?

Calculate the velocity of a neutron needed to achieve a wavelength of 1.40 å. (take the mass of the neutron m=1.6749*10-27kg). v = m/s

How are electromagnetic different than all other waves

Find the ratio of speeds of an electron and a negative hydrogen ion (one having an extra electron) accelerated through the same voltage, assuming non-relativistic final speeds. Take the mass of the hydrogen ion to be 1.67*10^{-27} kg.

A type of rock that undergoes changes because of heat and pressure

How many milliliters of a 1.25 molar HCL solution would be needed to react completely with 60 g of calcium metal Ca+2HCl - - > CaCl2 + H2

What mass of copper is required to replace silver from 4. oog ogre silver nitrate dissolved in water