Calculate the number of moles of Zn (NO3) 2 in 131.50 g of this substance. Note that the formula weight of Zn (NO3) 2 is 189.40 amu.

What is the element with the electron configuration 1s22s22p63s23p5?

Determine the [H+], [OH-], pH, and pOH for 0.045 M HBr

Which statement regarding the Calvin cycle is false? Six turns of the cycle are required for every glucose molecule later produced in non-Calvin cycle reactions. ATP is required during carbon fixation.

What evidence first supported the theory of seafloor spreading?

The k + ion has an electron structure that is identical to which inert gas?

When a catalyst lowers the activation energy of a reaction the rate of the reaction?

Liquids: A) must be contained to stay in one spot B) have a variable volume, but a fixed mass C) are usually more dense than solids and gases D) cannot be changed into gases

Given the following list from the activity series of metals (from most active to least active) K, Na, Al, Mn, Cr, Cd, Co, Pb, Hg which reaction would you NOT expect to occur? 1. Co²⁺ (aq) + Al (s) → Al³⁺ (aq) + Co (s) 2.

Chemical reactions that release energy A. will not occur. B. need catalysts to occur. C. will always explode. D. often occur spontaneously.

Which metal exist in liquid state and can be cut with knife?