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If the x-component of the velocity of an electron can be measured only to a precision of , what is the minimum uncertainty of the position of the electron in the x-direction? ( )
If 37.3 g of CO2 is produced in the reaction of C2H2 with O2 to form CO2 and H2O, how many grams of H2O are produced in this reaction.
Suppose you had standard .1000 M NaOH ,an indicator, such as phenolphthalein, an analytical balance, and a micro-buret available. Explain how you could determine
A 15.0 L flask contains 2.00 moles of N2 and 6.00 moles of H2 at 728 oC. A. Before any reaction takes place, what is the partial pressure of N2 in the flask?
Is temperature an important factor to consider when determining the Ksp (solubility product constant) when doing this titration
During a photochemical smog episode in a coastal city, the steady-state concentration of oxygen radicals at ground level was measured to be 0.09 ppmv at 25 degrees celsius.
Silver chloride often used in silver plating contains 75.27% Ag. Calculate the mass of silver chloride in grams required to make 4.0 g of silver plating.
At 850K the value of the equilibrium constant K(pressure) is 0.2970. If a sealed vessel contains an initial reaction mixture of [N2] = 0.0150M, [H2]= 0.0200M and N2H2= 0.000100M what will [N2H2] be when equilibrium in reached.
Draw the valence electron structures (Lewis structures) for the following atoms: Magnesium, Carbon, Bromine, Neon.
The rate of the reaction doubles when the concentration of CH3Cl is doubled and it quadruples when the concentration of H2O is doubled. What is the unit for K?
Calculate amount of Energy released in formation of one mole of BaO (Not Lattice energy). The radius of barium ion is 1.35 A and Radius of oxide ion
What is the purpose of massing the watch glass and Buchner funnel filter paper prior
The pH of a solution containing equal concentrations of a weak acid and its salt is found to be 5.1. What is the Ka for this acid
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