2024 KANSAS CITY MATH CONTEST. CLICK HERE FOR MORE INFORMATION!

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2013年4月17日 · 一定质量的物质，在温度升高时，所吸收的热量与该物质的质量和升高的温度乘积之比，称做这种物质的比热容(比热)，用符号c表示。 其 国际单位制 中的单位是焦耳每千克 开尔文 [J /(kg·K) ]或焦耳每千克每摄氏度[J /(kg·℃)]。

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2023年7月20日 · To solve quantitative problems involving chemical equilibriums. There are two fundamental kinds of equilibrium problems: those in which we are given the equilibrium constant and the initial concentrations of reactants, and we are asked to calculate the concentration of one or more substances at equilibrium.

2015年6月11日 · Ka(HAc)=c(H+)^2/C（HAc）分母中C（HAc）是稀释后的浓度，所以只有当稀释前与稀释后HAc浓度相差不大时才可以用这个公式。 纯的二元弱酸水溶液的[H(+)]计算公式与 …

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