Which of the following is true about acids?

Most acids are sour

Most acids corrode metals

Every acid contains hydrogen

Acids have a pH of greater than 7

A force of 20 N acts on a rocket for 350 s, causing the rocket's velocity to increase. Calculate the impulse of the force and by how much does the rocket's momentum increase?

When two plates of differing densities collide, how might the density of each plate affect which plate is pulled beneath the other?

The barrel of a rifle has a length of 0.886 m. A bullet leaves the muzzle of a rifle with a speed of 623 m/s.

Consider the addition of an electron to the following atoms from the fourth period. Rank the atoms in order from the most negative to the least negative electron affinity values based on their electron configurations. Br, Ge, Kr

The push of energy given to electrons in a circuit is known as what?

Which practice fits the definition of conservation? using more of a mineral resource than needed not using a necessary mineral resource at all mining a mineral without regard to the surface soil and vegetation above it recycling cans that contain a

The word family implies that the elements in a family have like properties. What property do the elements of the noble gas family all share?

What is the energy of an object because of its potential and kinetic energies? A.) chemical energy B.) electrical energy C.) nuclear energy D.) mechanical energy

If the volume of a hot air balloon remains constant, what happens as the temperature of the air inside the balloon increases?

What is the correct formula for electrical power? l