The atomic mass of potassium is 39. if its atomic number is 9, it has how many neutrons within each potassium atom?

Fire trucks have the word FIRE written two ways, as seen here, on the front of the truck. Why is that?

Temperature is a measure of the total kinetic energy of all molecules in a material. True False

A round flat metal coil has 180 turns and negligible resistance. It is connected in a series circuit with a 17-Ω resistor, with nothing else in the circuit. You measure that a 6.

A monatomic ideal gas undergoes an isothermal expansion at 300 k, as the volume increased from 0.010 m3 to 0.040 m3. the final pressure is 130 kpa. what is the change in the internal (thermal) energy of the gas during this process? (r = 8.

You find that a liquid is very acidic, it will destroy organic material on contact, what might you expect its pH to be?

If the mass of an object is 84g and the volume is 12cm3 what is the density

Describe one example of competiton of tropical dry forest

What is the center of a tornado called A. the eye B. The center C. The middle road D. The vortex

Is it legal in Florida for a math teacher forces the kids to do push ups?

Acceleration is best defined as the rate of change of blank of an object