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find out the number of moles of sodium hydroxide utilized to dissolve the aspirin tablet this will be the same in all
a for a heteronuclear diatomic molecule depict an energy level diagram showing the four lowest rotational energy levels
the heat of combustion of ch4 is 8904 kjmol also the heat capacity of h2o is 752 jmoltimesk determine the volume of
a sealed flask contains 045g of water at 28 c the vapor pressure of water at this temperature is 2836 mmhg explain what
menthol is a crystalline substance with a peppermint taste and odor while 165 g of menthol is dissolved in 250 g of
a 1500 g sample of a compound containing merely c h and o was burned completely the only combustion products were 1738
1 biodiesel is produced through a process known as transeterification in which fats and oils are broken down utilizing
octane is a main component of the gasoline for cats and trucks while octane burns it produces carbon dioxide water and
if a 486g of solid carbon dioxide was placed into an evacuated 2 l container sealed as well as then heated until it
in thermodynamics if we are given a reaction that is exothermic is it forever the case that the heat released from the
a solution is prepared from 250g of benzene c6h6 and 250g of an unknown compound the freezing point of this solution is
a liquid with a density of 400lbft3 flows through a long straight pipe of circular cross section at a arte of 200 ft3hr
presume you had started with 325 moles of sodium hydrogen carbonate explain how many moles of sodium chloride would you
explain what are the typical values of deltah in kjmol for aqueous solutionsexplain with respect to redox reactionsa is
explain how many moles of solid ban032 should be added to 300ml of 020 mfen032 to increase the concentration of the n03
1 find out the pressure in a 034l balloon if the temperature is 35 celsius as well as the balloon contains 00233 mol of
find out the volume in ml of 516 m potassium hydroxide koh that must be added to 447ml of 0703 m hypochlorous acid hclo
compute the enthalpy change for the thermite reaction 2alsfe2o3srarr2fesal2o3s deltahrxn-850 kj explain when 800mol of
which of the following statements regarding the bohr model of the hydrogen atom is incorrecta bohrs model shows the
specified the balanced reaction below for the oxidation of ethanol by potassium dichromate compute the number of liters
explain when driving across death valley a desert valley located in eastern californias mojave desert the lowest driest
the value of the equilibrium constant for the reaction- 2 hbrg ltgt h2g br2g is kc 126 x 10-12 at 500 k this implies
a 02150g sample is dissolved and treated with excess agno3 the precipitate is filtered washed dried as well as weighed
phosphate buffer is a commonly utilized buffer for biological experiments the buffer is made by combining h2po4- pka
explain which alkyne below would give two different ketones in approximately the same amount with the h2so4 hg2