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In Europe, gasoline efficiency is measured in . If your car's gas mileage is 38.0 , how many liters of gasoline would you need to buy to complete a 142- trip in Europe? Use the following conversions: and .Express your answer numerically in liters.
0.015 M solution of hydrogen cyanate (HOCN) has a pH of 2.67. What is the hydronium ion concentration in the solution and the ionization constant, Ka, for the acid
What are the advantages of laser. Can you explain why blue laser technology is the most challenging wavelength to develop in the photonics industry
Compute the boiling point of this solution if Kf and Kb for H 2 O are given as 1.86°C/m and 0.512 °C/m , respectively.
Explain how this reaction at equilibrium responds to the addition of heat? Please include any logic for why the reaction is endothermic or exothermic,
Calculate the steric strain for the most stable chair conformer and for a less stable conformer for the following: a) trans-1-ethyl-3-fluorocyclohexane
a student dispensed 82mL sodium hydroxide(titrant) into the lemon juice(analyte) before the end point was reached. Estimate the analyte concentration, assuming that the acid in the lemon juice is monoprotic.
a mass of 2.50 g of hydrated copper sulfate is placed in a crcible and heated. on heating, 1.59 g of white anhydrous copper sulfate is left behind. determine the ratio of water to copper sulfate.
Explain exactly what you would do when performing the following laboratory instructions: a.) "Wash the organic layer with 1.0 ml of 5% aqueous sodium bicarbonate." b.) "Extract the aqueous layer three times with 1-ml portions of methylene chloride..
Estimate the temperature above which this reaction is spontaneous. DS0 = 16.1 J/K. CH4(g) + N2(g) + 163.8 kJ ® HCN(g) + NH3(g)
After distributing the remaining valence electrons so that the carbon and each chlorine atom has an electron octet, write the lewis structure for CCl4 in the box.
Magnesium hydroxide is 54.87% oxygen by mass. How much oxygen is in 114 g of the compound?
Prepare (2R,3S)-2,3-dibromobutane (a meso compound) starting from a racemic mixture of (2S,3S)- and (2R,3R)-2,3-dibromobutane
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