Answer:
Explanation:
Given
diameter of pipe(
)=6 cm
diameter of pipe(
)=4 cm





Applying bernoulli's equation


since 





Answer:
10.198 g/cm³
Explanation:
ρ=m/V=123.4/12.1=10.198 g/cm³
Answer: What happens when the thermal energy of a substance increases is that D. Both the motion of the particles in the substance and the temperature of the substance increase.
Explanation: When thermal energy increases, it is due to particles moving faster. It also results in higher temperatures or heat.
One double bond consists 4 electrons, so 2 double bonds means 8 electrons