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A certain reaction has an activation energy of 63.62 kJ/mol. At what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 347 K?
A gas originally occupies 20L at 24.7 psia and 5 C. What would the pressure be if the volume changed to 4.77ft3 and the temperature was 82 F? Give the answer in atmospheres.
sodium azide, a compound containing only sodium (Na) and Nitrogen (N), is used as a propellant for inflating airbags in some automobiles. A sample of sodium azide was weighed into a crucible.
If 20.0 mL of 0.12 M cobalt(II) nitrate is reacted with 15.13 mL of 0.097 M sodium phosphate, which of the two reactants will be left over and which will be completely consumed.
Identify the charged groups in the peptide shown below at pH=1 and at pH=7. What is the net charge of this peptide at these two pH values? val-met-ser-Ile-phe-arg-cys-tyr-leu
How many grams sodium chloride (mol wt = 58.4g/mole) are needed to make 550 mL of a 1.90 M aqueous solution of sodium chloride
Predict the order of elution for benzoic acid and methyl orange in normal phase column chromatography using polar SiO2 as the stationary phase. In other words, which compound should come off the column first? The structures of benzoic acid and met..
A titanium bicycle frame contains the same amount of titanium as a titanium cube measuring 6.6cm on a side. 1) Use the density of titanium to calculate the mass in kilograms of titanium in the frame.
Differentiate between alkenes and alkynes, cis isomers and trans isomers. Describe how cis- trans isomers
How will buffer capacity change if you add 0.2 M of benzoic acid to the buffer made of 0.3 M of acetic acid
Calculate the mass and volume of 150.0 mmol of isopentyl alcohol and the theoretical yield of isopentyl acetate
in the reaction P4+5O2->2P2O5, how many moles of oxygen are consumed each time 0.500 mole of P2O5 is formed?
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the reaction: PCl5(g) ?PCl3(g) + Cl2(g)
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