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Please show your work, and I will rate you! TWO PART QUESTION A)What is the rate constant of a first-order reaction that takes 277seconds for the reactant concentration to drop to half of its initial value B)A certain first-order reaction has a rate constant of 2.90×10^?3 s^-1 . How long will it take for the reactant concentration to drop to 1/8 of its initial value?
Hydrogen atoms that are bonded to an sp3 hybridized carbon atom normally appear between 0.9 & 1.8 ppm and are said to be shielded
propose a mechanism for the conversion of glucose 6-phosphate into fructose 6-phosphate by phosphoglucose isomerase based on the mechanism
10g of CaCO3 are treated with a solution of HCl and 1.12 litre of CO2 are produced at STP . find out the number of moles of HCl in the solution
how many grams of iron will react with water to form iron (III)oxide and 85 liters of hydrogen gas at 19 degrees celsius & 525 torr?
Molar Mass of Sulfur based on molality, What would the molar mass of sulfur be based on the following data and information?
What is the theoretical concentration of the 2,6-dichloroindophenol solution? What is the theoretical volume of 2,6-dichloroindophenol needed to neutralize 10mL of the vitamin C standard solution?
Acetylene, C2H2, will burn in the presence of oxygen. 2C2H2(g)+ 5O2(g) -> 4CO2(g)+ 2H2O(g) how many grams of water can be produced by the reaction of 2.40 mol of C2H2 with 7.4 mol of O2?
How many grams of sulfur are required to produce 768 grams of sulfur dioxide in the following reaction: S + O2 --> SO2?
Calculate the de Broglie wavelength of a neutron moving at 1.17% of the speed of light. _____m
Describe the three types of models (layer sequence drawings, computer graphics, balls and sticks) used for visualizing the three dimensional structure of unit cells
what is the molecular geometry around each central atom: CH2CH2(double bond) C=? C=? Also, for CH3 O CH3 C-O-C C=? O=? C=.
Calculate the percent of a strontium sample left after 100 years. The half-life of strontium-90 is 28.1 years.
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