If a chemical change has taken place, which of these is most likely true?

The fastest train in the world moves at 500 km / hour how far will it go in 3 hours

A 160-m long ski lift carries skiers from a station at the foot of a slope to a second station 40 m above. What is the IMA of the lift?

Whag is the wavelength of an earthquake wave if it has a speed of 4km/s and a frequency of 7 Hz?

What is the difference between an energy pyramid and a biomass pyramid?

A rope has one end tied to a vertical support. You hold the other end so that the rope is horizontal. If you move the end of the rope back and forth with a frequency of 4 Hz, the transverse wave you produce has a wavelength of 0.5 m.

Does 59feet = 170000 meters

The chemical reaction that causes chromium to corrode in air is given by 4Cr+3O2→2Cr2O3 in which at 298 K ΔH∘rxn = - 2256 kJ ΔS∘rxn = - 549.

Witch of the statements about water is true?

In what direction does an applied force move an object? In the same direction as the force Independent of the force In the opposite direction of the force Perpendicular to the force

You (60 kg) and your friend (80 kg) are both floating on separate tubes next to each other on the San Marcos River. Now you push your friend with 10 Newton. Select all correct statements. A.