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Question- The elimination of carbon dioxide from pyruvate ions by a decarboxylase enzyme was monitored by measuring the partial pressure of the gas as it was formed in a 250 mL flask at 293. In one experiment, the partial pressure increased from zero to 100 Pa in 522 s in a first-order reaction when the initial concentration of pyruvate ions in 100mL of solution was 3.23 mmol L^-1. What is the rate constant of the reaction?
I am stuck in between this question please help me out
An unkown metal crytallizes in one of the three cubic lattices.The edge length of the unit cell is 408pm.Given that the atomic radius of the metal is 144pm and the density of the solid is 19.3g/cm-3, what is the atomic symbol of the metal? a=2R a=..
Depict a Lewis structure for urea, {{H}}2 {{NCONH}}2, Define the compound primarily responsible for the smell of urine. Define the central carbon atom is bonded to both nitrogen atoms and to the oxygen atom.
Draw the Major Organic Products that will form when (E)-3-methyl-3-hexene reacts with ozone
Balloons are still used to deploy sensors that monitor meteorological phenomena and the chemistry of the atmosphere. It is possible to investigate some of the technicalities of ballooning by using the perfect gas law
When heat is added to a solution of CoCl2 and HCl in water, what happens on the molecular level that causes the reaction to shift. Which way will the equation shift. (Hint: think about bonds forming and breaking.)
Sulfur and fluorine react in a combination reaction to produce sulfur hexafluoride: The maximum amount of SF6 that can be produced from the reaction of 3.5 g of sulfur with 4.5 g of fluorine is
If one spot on TLC plate in a certain solvent system can conclude that your sample is pure? If not, explain what can do to prove conclusion
question what is the ph of a solution containing 0.010 hcl plus 0.040 kclo4 with an activity coefficient of h
A column of water exerts, a pressure of 100pa and a force of 2.0 N. What is the cross sectional area of the column?
Deionized water from a wash bottle was added to wash down the wall of the receiving flask during the titration .how does this affect the reported molar concentration of the sodium thiosulphate solution. explain
water at 22.0 °C in an insulated coffee cup with a heat capacity of 9.2 J/K. If the final temperature of the system is 35.0°C, what is the specific heat capacity of the alloy in J/(g.K)? Don't include units. cH2O = 4.184 J/g.K the answer is 5.67
Several new pieces of equipment are being used in the experiment along with all previous equipment. Using the internet, briefly state why we are using each piece of equipment in this experiment and illustrate with a picture.
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