If 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 46 grams of X to form the same compound?

Quick I'll Mark it Brainliest Which of the following statements is true? A. Burning air and gasoline in an engine changes chemical energy into mechanical energy. B. Friction causes molecules to vibrate more slowly. C.

As you contract your muscle, which of the following events is occurring? All the kinetic energy is converted to potential energy. All the potential energy is converted to kinetic energy. Energy is being created. Heat is released.

Different measurements are expressed in different units. Choose the correct SI units for the following types of measurement The SI units for measuring the velocity of the car: The SI units for measuring the acceleration of the car: The SI units for

3. X-ray Generation [6 pts] When a high energy beam of electrons is incident on a target material, in addition to the generation of a lot of heat, several physical processes occur: the generation of X-rays and Auger electrons.

Infer the direction of net force acting on a car as it slows down and turns right

Describe the composition of the nucleus of an atom. Question 2 options: It is composed of protons. It is composed of protons and neutrons. It is composed of protons and electrons. It is composed of protons, neutrons, and electrons.

What does the three gorges dam produce? a. electricity from wind power b. electricity from water power c. electricity from coal d. electricity from natural gas

Light passes from a material with index of refraction 1.25 to one with index of refraction 1.72. The angle of incidence is 34.3°. What is the angle of refraction?

How tall would a tower need to be if the period of a pendulum were 30. seconds

0.100kg of a nuclear is converted to energy per day. What is the power produced by this fuel?