In what state of matter does oxygen exist at room temperature

What happens when you do work on an object?

The mixture use separated was a mixture of iron feelings sand and salt based on your understanding of matter is this mixture a homogenous or mixture or heterogenous mixture

If you look at a star that is 14 light yaers away, how long ago did the light you are seeing leave the star

3. As part of an engineering team at Space-X designing microcircuitry to control rocket launch angle, you must assess the power budget needed to operate 4 fin-control systems. Each system requires 0.16 micro Amperes for circuits with 3.

The relationship between a cathode and an anode involves A. electrons. B. neutrons. C. protons. D. diodes.

This part of the electromagnet spectrum produces heat and with special equipment can locate people at night. infrared waves microwaves X-rays gamma rays

An ambulance is traveling east at 51.6 m/s. Behind it there is a car traveling along the same direction at 32.3 m/s. The ambulance driver hears his siren at a frequency of 615 Hz. 32.3 m/s Car 51.

When a chemical reaction occurs with only one substance, what happens to the atoms of that substance?

Total energy input is 1400 and my efficiency is 80% so what is the useful energy output in jules?

Which group of elements loses 1 electron easily?