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Boiling Temperature vs. Composition. An Almost-Exact Explicit Equation for a Binary Mixture Following Raoult's Law.

Peer reviewed

Cardinali, Mario Emilio; Giomini, Claudio – Journal of Chemical Education, 1989

Proposes a simple procedure based on an expansion of the exponential terms of Raoult's law by applying it to the case of the benzene-toluene mixture. The results with experimental values are presented as a table. (YP)

Descriptors: Chemistry, College Science, Computation, Equations (Mathematics)

Development of a CAI-Program within the Field of Early Mathematics.

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Bernard, Y. F. – 1986

This research is aimed at diagnosing the problem-solving skill of elementary school children and subsequently improving their competence in early mathematics. To reach this goal, a computer assisted instruction (CAI) program on open sentences, incorporating knowledge about students' problem solving strategies and misconceptions, was constructed.…

Descriptors: Computation, Computer Assisted Instruction, Concept Formation, Educational Research