How far is Proxima Centauri from the sun in centimeters?

Which of the following is not a simple machine A pulley B Elevator C screw D wheel and axle

How many moles are equal to 4.0x1023 atoms of germanium?

Which statements accurately describe atoms? Check all that apply. Atoms cannot be divided. There are only a few different types of atoms. A single atom can be seen using a standard microscope. Atoms were named in the fifth century BCE.

Use einstein's formula to explain the relationship between mass and energy.

A geologist tests a rock containing calcium oxide by reacting it with hydrochloric acid. Water and calcium chloride form. What bonds break?

When heat is added to or removed from a substance, it may change its state. What state will most likely result if heat is added to a liquid?

Chemical Reactions Lab Procedures: 1. Place a 1cm long piece of white chalk in a clear plastic cup. 2. Add 5 mL of vinegar to the cup. 3. Record your observations. If you were performing the procedures above you would need to A.

How many moles of oxygen are in 0.53 moles of co 22?

The car wit fastest acceleration is the tempest. it has an acceleration of 6.1 m/s. suppose the car accelerates from rest to a final speed of 30. m/s. how long does it take the tempest to reach this speed?

What is the wavelength of 2.18*1016 hz wave?