This is a reaction and the product(s) is/are
a) single replacement; zinc chloride and hydrogen gas.
b) double replacement; zinc oxide and hydrogen gas.
c) synthesis; zinc chloride and hydrogen gas.
d) decomposition; zinc chloride and water.

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?

An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?

The inner planets or call terrestrial because they