What normally describes what happens when you decrease the temperature of water?
A) The molecules start to vibrate and move farther apart, increasing the density.
B) The molecules start to vibrate and move closer together, increasing the density.
C) The molecular vibrations start to slow and the molecules move farther apart, decreasing the density.
D) The molecular vibrations start to slow and the molecules move closer together, increasing the density.
E) none of the above
Question 2
Evidence for the existence of neutrons did not come until many years after the discoveries of the electron and the proton. Give a possible explanation.
A) The neutron is nearly massless.
B) The neutron is only slightly more massive than the proton.
C) The discovery required the use of ultrafast computers.
D) The neutron lacks an electrical charge.
Hydrogen Bonds Can Form Between or Within Molecules
Evidence of Water on Mars
Non-Carbon Organic Molecules?
Measuring Oral Temperature Using an Electronic Thermometer
The bleed weep hole in the water pump allows coolant to leak out of the pump and not be forced ...
Different bodies of water have contrasting physical properties