How many moles of caco3 are needed to get 2.35 moles of cao

I'm pretty sure its 30.6 grams of CA

I'm sorry no one answered ur question but have a great rest of ur day, night, or evening

a). in this case, dh> 0 and sd> 0. if t becomes larger, the term "-tds" will become more negative. at some point, it is possible that -dts will be more negative than the dh is positive, and the reaction will become spontaneous. this is probably the correct answer, but you should look at all of the other possibilities and make sure of that.