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An aircraft with mass 39290 kg has a constant acceleration of 2 m/s2 as it starts (from rest) down the runway for take-off. The plane reaches take-off speed in 30.1 seconds. What is the aircraft's take-off speed in mph?
Phosgene (COCl2) is a toxic substance that forms readily from carbon monoxide and chlorine at elevated temperatures: CO (g)+ Cl2 (g) ? COCl2 (g).
The following molecular equation represents the reaction that occurs when aqueous solutions of silver nitrate and aluminum chloride are combined.
question what molarity of aqueous sodium chloride solution can be expected to show the same conductivity as 0.0050 m
The MnO4(-) is often used to analyze for the Fe(2+) content of an aqueous solution via the reaction MnO4(-)+Fe(2+)---> Fe(3+)+Mn(2+) in acidic solution. What is the ration Fe(2+):MnO4(-) in the balanced equation
compare the rates of effusion for oxygen molecules as compared to hydroge molecules. which will effuse faster and by
In an epitaxial deposition, under mass transfer limited conditions, is it more important to control the reactor temperature or the source gas composition.
Write a balance molecular equation for sodium iodide and sulfuric acid ( states of reactants and products must be shown)
A 500 mg tablet of antacid (all 500mg is calcium carbonate) is put into 250 ml of 0.12M hydrochloric acid. What volume of gas is produced at STP and how many moles of excess H3O+ are left over
To convert this into a buffer having a pH of 9.3380, how many grams of KH2BO3 (M.W. 99.926) should be added to the solution?
given the pk for acetic acid is 4.76. suppose that we dissolve a mole of this weak acid in 10l of water. find the ph of
Question- A student performed a titration of 15.0 mL of nitrous acid (HNO2) and determined that 30.0 mL of 0.189 M NaOH was required to reach the equivalence point. What was the pH of the solution at the equivalence point. Ka of HNO2 is 4.5 x 10^-..
A 3.0 x 10-2 mg sample of a protein is dissolved in water to make 0.25 ml of solution. The osmotic pressure of the solution is 0.56 torr at 25C. What is the molar mass of the protein
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