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Is the activation energy of a reaction the amount of energy released during the reaction.
Is CCl2H2 polar or non polar. Is CH3OH polar or non polar. Is CH2O polar or non polar. Is H2O polar or nonpolar. Is NH4 polar or non polar.
The melting point of tropylium bromide is above 200 degree C, quite high for an organic compound. How can you account for these experimental observations?
How many grams of ethylene glycol dissolved in 3.55 kg of water needed to lower the freezing point of water to -22.0 c? Kf1.86 c kg/mol
A solution containing .8330 g of an unknown protein in 170.0 ml of solution has an osmotic pressure of 5.20 mmHg at 25 C. What is the molar mass of the protein
magnesium hydroxide is 54.87 oxygen by mass.How many grams of oxygen are in 175 g of the compound?How many moles of oxygen is in this.
A certain elementX forms a compound with oxygen in which there are two atoms ofX for every three atoms of O. In this compound, 1.125 g ofX are combined with 1.000 g of oxygen. Use the average atomic mass of oxygen to calculate the average atomic m..
Calculate the volume of water in mL that must be added to 67.8 mL of a 6.35 mol/L NaClO3 (aq) solution to produce a diluted solution with a concentration of 2.5
If the liquid effluent from the press could be fed to the spray dryer without afffecting the tasteof the product, by what percentage would the production rate of instant coffee be increased
Why does a 1.0 molal solution of AlCl3 in water freeze at a lower temperature than a 1.0 molal solution of NaCl in water
Question- I am trying to write up a lab report where I used colorimetry to check the absorbance of a reagent with different concentration of solution but I'm having a tough time using my calibration curve to determine the concentrations of unknown..
Determine the formation constant, Kf, of AC5. The solubility of AB(s) in a 1.000-M solution of C(aq) is found to be 0.166 M. What is the Ksp of AB?
The scale of scores is set separately for each age group and is approximately normal with mean 100 and standard deviation 15.
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