Why does the sun appear to move from east to west across the sky? a. due to earth's revolution b. due to earth's rotation c. due to the sun's revolution d. due to the sun's rotation

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.