If an airplane travels a distance of 500 km in 5 hours, what is its average speed?

Which is the most common use for infrared waves? to determine relative distance to provide heat to carry cell phone conversations to transmit signals

At a certain temperature the rate of this reaction is second order in with a rate constant of : suppose a vessel contains at a concentration of . calculate the concentration of in the vessel seconds later. you may assume no other reaction is important

Ye li drew a quadrilateral that is both a rectangle and a rhombus. name the quadrilateral and describe it using the properties of sides and angles.