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If I have hydrogen peroxide, molecular weight(g/mol) is 34.02, its density (g/ml) is 1.2, its concentration is 50% by weight and I have 2mL of it how many mols would I have?
An equilibrium mixture at 225 degrees contains 0.14M NH3 and0.19 M H2 for the reaction of 3H2+N2=2. If the Kc at this temp is 1.0*102, what is the equilibrium concentration of N2
along with chemical shift arguments and resonance theory, assign all of the peaks in the 1H and 13C NMR spectra of 4-propoxybenzaldehyde. Briefly explain you reasoning.
When radiation of a wavelength 2.45 x 10^-7 m falls on metal surface, the maximum kinetic energy of the emitted electrons is found to be 6.73 x 10^-19. What is the value in J of the work fuction of the metal
what is the diameter of an aluminum atom? the mass of 1 mold is 27 g the density of aluminum is 2.7g mol
What mass (in grams) of steam at 100°C must be mixed with 375 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 66.0°
Determine how much dolomitic lime(is an anhydrous carbonate mineral composed of calcium magnesium carbonate CaMg(CO 3 ) 2 ) is required to apply to raise the pH to 7.0?
Calculate the number of kilograms of helium required to inflate a balloon with a volume of 100.000 L at a pression of 250 mmHg and atmospheric temperature of -35 ° C.
When 10.0 mL of 0.10 M NaCl is added to the beaker containing the AgNO3, the new cell voltage is 0.051 V. Calculate the experimental value of Ksp for AgCl.
How many electrons are present in an atom with its 1s, 2s, 2p, and 3s subshells filled and with 4 electrons in the 3p subshell? What is the element?
The flask was then shaken until the solution was uniform. A 55.0-mL sample of this glucose solution was diluted to 0.500L . How many grams of glucose are in 100mL of the final solution?
The flask shown here contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.300 M NaOH. B. What was the initial concentration of HCl?
If the titrant has a molarity of 0.2750 M and there are 5.00 mL of analyte present, what is the molarity of the analyte
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