Give one example of frequency which an elephant can hear but which a tiger cannot hear include a unit in ansawer

How do molecular bonds form?

Are enzyme-catalyzed reactions examples of homo- geneous or heterogeneous catalysis? Explain.

As the elements in period 3 are considered in order from sodium to chlorine, there is an increase in the 1) atomic radius 2) electronegativity 3) number of electrons in the first shell 4) number of electron shells

The particles of a gas inside a balloon are experiencing an increase in their average kinetic energy and the number of collisions with the wall of the balloon.

Select the choice that best completes the following sentence. Simple machines A. cannot be combined to make compound machines. B. are tools that make work easier. C. reduce the amount of energy needed to do work. D.

A reaction is zero order in a reactant. Which best describes what happens to the rate if the concentration of that reactant is cut in half? a: The rate changes to twice the original rate. b: The rate changes to one-half the original rate.

How many moles of hydrogen atoms are there in 1 mole of C6H12O6 molecules?

Which condition will release more energy when an electron changes levels? From n = 4 to n = 3 from n = 3 to n = 2 from n = 2 to n = 1

What happens when an electron moves from a higher energy level to a lower one

A solution of a compound with a known extinction coefficient of 23,100 M-1cm-1 has an absorbance of 0.735 in a 1.30cm path length, what is the concentration of the solution