Arrange the elements given below in the increasing order of their atomic size. (ref: 187-189) element a 1s22s22p6 element b 1s22s2 element c 1s22s22p63s1 element d 1s22s22p3

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?