Name two nineteenth century scientists—one who developed the laboratory burner
in common use today, and the other who studied the spectra of colored flames
produced by a variety of elements.

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

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In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.