Arrange these species into isoelectronic groups. It does not matter which group goes in which box, so long as the correct species are grouped?
He, Li+, Al3+, Y3+, N3-, O2-, Br-, Be2+, Sr2+

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

Calculate the expected ph values of the buffer systems from the experiments (a, b,c, d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.

In a spacecraft, the following reaction occurs: co2(g) + 2lioh(s) -> lico3(s) + h2o(i) (i attached picture of equation) how many liters of carbon dioxide will 4 moles of lithium hydroxide (lioh) absorb? (one mole of any gads occupies 22.4 l under certain conditions of temperature and pressure. assume those conditions for this equation.) 45l 6.0l 3.0l 34l