How is hydrogen in heavy water different from hydrogen in normal water? A. The heavy water molecules contain 3 hydrogen atoms instead of
2.
B. The hydrogen in heavy water is radioactive.
C. The hydrogen atoms in heavy water have a neutron in the nucleus,
doubling the mass.
O D. The hydrogen atoms in heavy water have an extra proton in the
nucleus.

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this