Reactivity of halide ions lab in chemistry
What's a good hypothesis for the reactivity of halide ions lab in chemistry?
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10mL of 0.1M HNO2 (nitrous acid, ka=4.0x10^-4)is titrated with a .01M KOH solution. After 10mL of the KOH solution is added, what will be the pH in the titration flask?
A cylindrical wheel billet 1ft. in diameter and 3ft. long, initially at 1000 F, is quenched in oil. Assume that the surface of the billet is 200 F throughout the quenched.
Is it better to have several small wires conducting electricity or one big wire of the same cross section or better to have it the other way around? WHY?
You have a 10.40-g mixture of table sugar (C 12 H 22 O 11) and table salt (NaCl). When this mixture is dissolved in 150. g of water, the freezing point is found to be-2.24°C. Calculate the percent by mass of sugar in the original mixture.
If a sample containing 2.03 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?
I want to know if the equations I derived are correct ? and if they are not correct what is the correct equations for the 2 modes of operation. I need the circuit to be drawn ( with the voltages and currents directions)in each mode as I did in
A 5.50 g sample of an unknown is dissolved in 251. g of benzene. The freezing point of the solution is 1.02 C below the normal freezing point of pure benzene. What is the molecular weight of the unknown?
3-di-t-butylcyclohexane exists in two forms that are known as the "chair" and "boat" conformations. at 580K, 6.42% of the molecules are in the chair form. calculate the value of the equilibrium constant for the reaction at equilibrium.
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