Is N2 an element compound pure substance homogenous mixture heterogeneous mixture or a solution

Which of the following defines the wavelength of a wave? the speed that a wave is passed from particle to particle the distance between peaks of a wave the height of a wave between peak and trough the loudness of waves that travel through the air

Which earth cycle does the suns energy drive

What is the ph of a 7.5*10-3m oh - solution? ph=?

A mixture of pepper and water is a suspension because

An atom s mass number equals the number of a. protons plus the number of electrons. c. protons. b. protons plus the number of neutrons. d. neutrons.

How does phosphorus enter the human body?

When a reaction occurs between atoms with ground state electron configuration 1s2 2s1 and 1s2 2s2 2p5 the predominant type of bond formed is

How does heat transfer takes place between any two systems?

Hydrate name of CaCl2 * 8 H2O

Calculate the heat evolved from a mixture of 14.1 l of sulfure dioxide