On the first day of kindergarten, Terry’s teacher responds to the students every time they ask her a question. By the end of the first week, the teacher will only respond to students who are sitting quietly at their desks. At the end of the second week, the teacher will only respond to students’ questions if they are quietly seated, raise their hands, and wait to be called on before asking their questions. Terry’s teacher is using ________ to change the students’ behavior. habituation shaping punishment secondary conditioning

On the first day of kindergarten, Terry’s teacher responds to the students every time they ask her a question. By the end of the first week, the teacher will only respond to students who are sitting quietly at their desks. At the end of the second week, the teacher will only respond to students’ questions if they are quietly seated, raise their hands, and wait to be called on before asking their questions. Terry’s teacher is using ________ to change the students’ behavior. habituation shaping punishment secondary conditioning

On the first day of kindergarten, Terry’s teacher responds to … Read More...
Based on the equations below, which metal is the most active? 3 2 3 2 Pb(NO ) (aq) + Ni(s)® Ni(NO ) (aq) + Pb(s) 3 2 Pb(NO ) (aq) + Ag(s)®No reaction 3 2 3 2 Cu(NO ) (aq) + Ni(s)®Ni(NO ) (aq) + Cu(s) A) Ni B) Ag C) Cu D) Pb E) N

Based on the equations below, which metal is the most active? 3 2 3 2 Pb(NO ) (aq) + Ni(s)® Ni(NO ) (aq) + Pb(s) 3 2 Pb(NO ) (aq) + Ag(s)®No reaction 3 2 3 2 Cu(NO ) (aq) + Ni(s)®Ni(NO ) (aq) + Cu(s) A) Ni B) Ag C) Cu D) Pb E) N

A) Ni
The balanced molecular equation for complete neutralization of 2 4 H SO by KOH in aqueous solution is __________. A) 2 2H (aq) 2OH (aq) 2H O(l) + − + ® B) 2 2H (aq) 2KOH(aq) 2H O(l) 2K (aq) + + + ® + C) 2 2 4 2 4 H SO (aq) 2OH (aq) 2H O(l) SO (aq) − − + ® + D) 2 4 2 2 4 H SO (aq) + 2KOH(aq)®2H O(l) + K SO (s) E) 2 4 2 2 4 H SO (aq) + 2KOH(aq)®2H O(l) + K SO (aq)

The balanced molecular equation for complete neutralization of 2 4 H SO by KOH in aqueous solution is __________. A) 2 2H (aq) 2OH (aq) 2H O(l) + − + ® B) 2 2H (aq) 2KOH(aq) 2H O(l) 2K (aq) + + + ® + C) 2 2 4 2 4 H SO (aq) 2OH (aq) 2H O(l) SO (aq) − − + ® + D) 2 4 2 2 4 H SO (aq) + 2KOH(aq)®2H O(l) + K SO (s) E) 2 4 2 2 4 H SO (aq) + 2KOH(aq)®2H O(l) + K SO (aq)