1. Write in 4 ways the formation of Mg3(PO4)2. ( I think it goes like this: acid + base --》salt and water, metal + nonmetal --》salt, metal + acid --》salt and hydrogen...) 2. What are the concentrations of Na(+) and SO4(2-) ion in a solution containing 1.42g of dissolved Na2SO4 in 500ml, assuming the dissociation is complete.​

A32 year old immigrant from a patriarchal country is giving birth. as she is delivering the baby, she tearfully confesses to her doctor that this is her 4th child and she simply cannot handle any more children. she tells the doctor that her husband refuses to use contraception or allow her to, and she begs her doctor to tie her tubes and not tell her husband. the doctor complies. was hipaa violated? why or why not?

1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c

May someone me with these science questions