将1000mL 0.1mol•L﹣1 BaCl2溶液与足量稀硫酸充分反应放出a kJ热量;将1000mL 0.5mol•L﹣1 HCl溶液与足量CH3COONa溶液充分反应放出b kJ热量(不考虑醋酸钠水解);将500mL 1mol•L﹣1 H2SO4溶液与足量(CH3COO)2Ba(可溶性强电解质)溶液反应放出的热量为( )
A:(5a﹣2b)kJ
B:(2b﹣5a)kJ
C:(5a+2b)kJ
D:(10a+4b)kJ
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Hello, everyone.Nice to meet you.It is my1day (天) in the school.My first name is Jenny.My family2is Green.I'm 3Class Two.My phone4 is 886-3068.There are5people (人) in my family, my parents, my two brothers and I.My brothers and I are6.We are in the same (相同的) school.Look, this is my good friend7name is Sally.She is8English girl.She is in Class9, too.10are in the classroom.We are talking happily (快乐交谈).