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The equation for the reaction o KHP and NaOH shows ratio 1:1 ratio for the two reactants. Experimentally ,how do you know that base solution that you delivered from the burette had just as many moles as were in the KHPsample that you weighed out in the beginning of the experiment
The following molecular equation represents the reaction that occurs when aqueous solutions of silver nitrate and aluminum chloride are combined.
Identify which will be warmer if you heat equal masses of gold and iron starting at room temperature with 1 kJ of energy
Choose the selection which lists the following substances in order of increasing boiling point (lowest boiling substance listed first)
This is the given reaction CaC2(s) + 2H2O(l) = C2H2(g) + Ca(OH)2(aq) determine How much H2O is needed If 48 g of CaC2 are consumed in this reaction?
Suppose that the molar concentrations for CO and H2 at equilibrium are [CO] = 0.05 and H2= 0.08 . Use the formula CH3OH= Kc[CO][H2]^2 to calculate the concentration of CH3OH.
2.00 L of H2 at a pressure of 368 torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 336 torr after the stopcock is opened.
the rate constant for a certain reaction is 5.80times10-3 . if the initial reactant concentration was 0.350 what will
hydrogen peroxide is used as a cleaning agent in treatment of cuts and abrasions for several reasons. In the laboratory, small quantities of hydrogen peroxide can be prepared by the action of an acid on an alkaline earth metal peroxide, such as ba..
Which of the following hormones requires selenium for its synthesis?
Why the temperature of the DSC experiment settings need to be determined via TGA
A tap water sample is to be analyzed for nickel at the ppm level, which method would yield accurate results with the least amount of sample preparation?
Assuming the solution is ideal, calculate the composition of the vapor (in terms of mole fractions) at 25°C. At 25°C, the vapor pressures of pure CH2Cl2 and pure CH2Br2 are 133 and 11.4 torr, respectively. Calculate to composition of vapor for a)C..
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