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Solid iron(III) oxide reacts with hydrogen gas to form solid iron and liquid water. Write a balanced chemical equation with all phases identified.
1.40 m solution of 75.0 mlnbsp is diluted to a total volume 278 ml. a 139-ml portion of that solution is diluted by
Calculate the volume of the NaOH solution prepared in (2) required to react with all of the t-butyl chloride in 1.0mL of the 0.050M solution prepared in (1)?
discribe the points of rutherford's model for the nuclear atom and how he tested this model. based on his expiriments, how did ruthford envision the structure of an atom?
volumetric flask and diluted with deionized (DI) water in order to prepare a calibration standard solution with a concentration of 2.50 x 10-5 M ferroin.
Suppose you started with 2.6 M of HCN(aq), what would be the molar concentration of HCN(aq) at 20 days?
The following reaction is exothermic (H= -226 kJ) and has a rate law: Rate = k(NO2)^2: NO2 + CO ? NO (g) + CO2 (g) for each of the following disturbances, indicate whether the rate of the reaction will be FASTER or SLOWER and indicate whether ther..
Diazomethane has the following composition by mass: 28.57% C, 4.80% H, and 66.64% N. The molar mass of diazomethane is 42.04 g/mol. Find the molecular formula of diazomethane and draw its Lewis structure.
If a 10.00mL sample of unknown concentration of HF is titrated with 28.94mL of 0.1040M NaOH, what is the concentration of HF
Butane is normally supplied in metal containers under pressure, as a mixture of liquid and gas, so high temperatures may cause the container to explode. At 25.0 ºC, the vapor pressure of butane is 2.3 atm. What is the pressure in the container at ..
A single sp^3 hybrid orbital has a) one lobe b) two lobes of equal size c) two lobes of unequal size d) four lobes of equal size
Consider the following reaction: Xe(g) + 2 F2(g) ? XeF4(g) Kc = 1.58 × 10-8 A reaction mixture initially contains 2.24 atm Xe, 4.27 atm F2, and no XeF4. If the equilibrium pressure of Xe is 0.34 atm, find the equilibrium constant (Kp) for the reac..
suppose that coal of density 1.5 gcm3 is pure carbon. it is in fact much more com- plicated but this is a reasonable
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