The average velocity of molecules of nitrogen gas (n2) at room temperature is around 500 m/s. if you were to raise the temperature of the nitrogen gas by 50°c what is a good estimate for the speed of the molecules?
a. 100 m/s
b. 500 m/s
c. 600 m/s
d. 200 m/s

Ice at 0.0∘c has a density of 917 kg/m3. a 3.00 cm3 ice cube is gently released inside a small container filled with oil and is observed to be neutrally buoyant. what is the density of the oil?

Atoms seldom exist as independent particles in nature a) as single particles, most atoms have low potential energy b) their electronegativity is much lower when they combine with other atoms c) atoms are more stable when they combine with other atoms d) neutral particles are rare

By examining a wave’s pattern after it interacts with a barrier or gap, measurements can be made to better understand certain wave phenomena. what is a broad question you can answer by doing this experiment?