Chivalry is the

A.) European code of honorable behavior for knights.

B.) act of fighting in a joust.

C.) method of determining classes in the feudal system.

As concentration increases by a tenth, what happens to the pH?

What is the name of the theory that led to the development of the theory of plate tectonics

A cannonball is fired horizontally from the top of a cliff. the cannon is at height h = 80.0 m above ground level, and the ball is fired with initial horizontal speed v0. assume acceleration due to gravity to be g = 9.80 m/s2.

A student allows the evaporating dish and the anhydrous salt for a long time on the lab bench. What will happen to the mass of the content of the evaporating dish as it cools and how could this be prevented? G

How many days apart are lunar eclipse?

How are magnetic stripes near mid-ocean ridges evidence for sea-floor spreading?

If a truck has a mass of 2 x 106 grams and a velocity of 35m/s, what is its momentum? kgm/s a. 2 million b. 70 c. 57.14 d. 70,000 e. 57,100

A scientist heats a piece of iron until it is glowing white-hot. he places the metal inside a metal box. he removes all of the air from the inside of the box.

Johanna is studying what happens to the energy as a ball rolls down a ramp. What is she studying? Check all that apply. 1. gravitational potential energy 2. electrical energy 3. kinetic energy 4. mechanical energy 5. elastic potential energy

The density of sugar is 1.59 g/cm3. the mass of a sample is 4.0 g. find the volume of the sample