What is the total number of electrons in a Cu + ion?

(1) 28 (3) 30 (2) 29 (4) 36

Given the balanced ionic equation representing the reaction in an operating voltaic cell: zn (s) + cu2 + (aq) → zn2 + (aq) + cu (s) the flow of electrons through the external circuit in this cell is from the

Which of the following statements about water is true? It's strongest intermolecular forces are London dispersion forces It's a non-polar molecule It's a solid at room temperature and pressure It's a solid form is less dense than the liquid form

What happens when you grow the same crop over and over again in the same field

Which of the following toxic forms of oxygen is improperly paired with the detoxifying enzyme or molecule?

Which adaptation is likely to increase the chances of survival of an animal in a rainforest?

Three separate 3.5g blocks of al, cu, and fe at 25°c each absorb 0.505 kj of heat. which block reaches the highest temperature? the specific heats of al, cu, and fe are 0.900 j/g·°c, 0.385j/g·°c, and 0.444 j/g·°c, respectively.

How does an electrolytic cell work

Which of the following is an exothermic reaction? A concentrated hydrochloric acid dissolving in water B ammonium nitrate dissolving in water C ammonium chloride dissolving in water D sugar dissolving in water

Consider the total ionic equation below. 2NH+2OH+2H+SO4-->2NH4+2H2O+SO4 what are the spectator ions in this equation?

A laboratory experiment was done to show the effects of organic waste on the dissolved oxygen (DO) content in water. Five tanks were set up, each containing fresh water and a small amount of single-celled green algae.