Calculate the energy and frequency of red light having a wavelength of 6.80 x 10 -5 cm.

A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

Explain that newton first law,second law and third law of motion?