The enthalpy changes, δH , for three reactions are given. H2(g)+12o2(g)ca(s)+2h+(aq)cao(s)+2h +(aq)⟶h2o(l)⟶ca2+(aq)+h2(g)⟶ca2+(aq )+h2o(l)δH=−286 kj/molδH=−544 kj/molδH=−193 kj/mol using hess's law, calculate the heat of formation for cao(s) using the reaction shown. Ca(s)+12o2(g)⟶cao(s).

Which of the following is not an attitude you should adopt on the road? a. arrogance b. forgiveness c. tolerance

It is important to prepare both your mind and body to adequately prepare for success the day of the act exam. in a short paragraph describe some of the ways you can prepare your mind and body the day of the exam. feel free to include additional preparation tactics beyond what is included in this lesson. pz

Ricks boss often appriciates him for his work.how is rocks boss affecting his proformence