a student spills a small amount of HCl into an aquarium containing 150 l of water reducing the ph from 7.35 to 3.60 what mass of Ca(OH)2 would have to be added to return the ph to its original value

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2