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While performing an activation energy experiment you accidently added 4.0 ml of water instead of 1.0ml. Explain how would this error effect the time required for the color to change? (Increase, Decrease, Un-effacted).
the experimentally determined freezing point of 1.00 solution mass of nitric acid hno3 is -0.56 0c. calculate the
Ben Franklin dropped the oil on the surface of a lake and found that 2 mL of oil gave a circle of radius 30 m. Estimate the volumetric size of an oil molecule in angstroms, give one significant digit.
Determine the mass of nitrogen gas produced and calculate the volume occupied by this mass of gas at room temperature of 23C.
A solution contains .10 M iodide ion, I- and 0.10 M carbonate ion, CO32-.... a. If solid Pb(NO3)2 is slowly added to the solution which salt will precipitate first, PbI2 or PbCO3? What will the concentration of the first ion that precipitates when..
in europe gasoline efficiency is measured in . if your cars gas mileage is 34.0 how many liters of gasoline would you
Ammonium hydrogen sulfide decomposes according to the following reaction, for which Kp = 0.451 at a given temperature. If 55.0 g of NH4HS is sealed inside a 5.00 L container at this temperature, calculate the partial pressure of NH3(g) at equilibr..
The following organic chemicals are used during the oxidation of 9-hydroxyfluorene to fluorenone briefly explain how each chemical listed below is taking part during the chemical reaction.
Depict a Lewis structure for the molecule O3, including formal charge and resonance. Derived from electronegativity differences, would you expect the O-O bonds in ozone to be polar? It turns out that these bonds are polar what could Define?
Write the net ionic equation for the reaction between aqueous solutions of calcium chloride and sodium carbonate.
What are the p, V, and T values of the final state of the same perfect gas after an adiabatic expansion to a final pressure of 0.100bar that follows the gas law: PV^(5/3)=constant
Write the formula for each of the following compounds, being sure to use brackets to indicate the coordination sphere.
liquid helium at 4.2 k has a density of 0.147 gml. suppose that a 1.00-l metal bottle that contains air at 105k and 3.0
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