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1 what must be happened to the extent of interaction for a much longer hydrocarbon chain like cetane for example whilenbsp considering that octane
calculate the work done in joules against a pressure of 10 atm at 25oc if 3 moles of h2 react with 3 moles of cl2 to form hcl while considering the
1 element a has two naturally occurring isotopes forms that has the massesnbspnbspnbsp 108905 amunbspnbsp andnbsp 106905 amu what will be the average
1 a nonelectrolyte solute of 279grams is dissolved in h2o to make a solution of 235 ml at 29 degree celsius an osmotic pressure of 927 torr is
1 calculate the mass in grams for a sample of al that absorbs 170kj when the temperature increases from 56 degree celsius to 177 degree celsius2
q determine the mass in gms for pure ag sample that loses 288kj if its temperature drops from 143 degree celsius to 28 degree celsiusq consider this
an aqueous solution of a certain organic compound hasnbsp an osmotic pressure of 1216 atm at 250c a density of 1063gmland a freezing
the rate constant for the second order reaction is 080 m-1s-1 at 10 degree celsius temperature for the given reaction as 2nobr g- 2nog br2g
find out the formula of the gas produced if na3ps sodium phosphide is reacted with h2o you can see this example to find out the answer that
1 determine how many grams of o2 are present when mass of a sample of earths crust is of 328rm gg note down that o2 makes up 467 by mass of
1using a sample of 212 ml of a weak monoprotic acid hx requires 500 ml of 0045 m sodium hydroxide to reach to the equivalence point explain what is
1given that the density of a solution of h2so4 is 11548 then calculate the molality of a 194 wt solution of sulfuric acid2assume that a compound is
1a student measures that the solution freezes at temperature of -724 degree celsius when 64311 f of an unknown compound is dissolved in 250 g of
1the chemical reaction is given cacn2 3 h2o rarr caco3 2 nh3 follow this equation and calculate how much cacn2 is required to form 126 moles of
1determine the density of the object in gcm3 if an object weighing 1840 kg has volume of 00015m32a man wants to determine what ventilation rate
1two metal strips weighing 100g each that are placed into a cylinder that contains h2oin one case we observed the volume of water displaced is 88ml
1a 400 l vessel contains 240 moles h2o 100 mole co2 240 moles of co and 100 mole h2 at equilibrium determine how many moles of carbon dioxide
it is noted that at some conditions consists atmospheric pressure 10atm and temperature 266c a container is completely full then you just need to
1i need to prepare a solution of 02 l 04 m then determine how many cm3 of a solution of h2so4 sulfuric acid 800 density 1727 gml should be diluted
1the aquous solution of sodium bromide has the molality of 250m and the molar mass was found 1029 gmol then compute the weight percent of sodium
1isobutene is formed by following radical polymerization process that follows chain transfer to monomer is the predominant chain breaking reaction
1a pepsin of 3 grams get dissolved in water and formed a solution of 1000 ml it was found that the osmotic pressure was 0213 atm at 25 degree
1 assume that the specific heat of the waterh2o 100 cavg xc then calculate how many calories of heat are needed to increases the temperature of 550
assume that an escape velocity is 50 ms for an asteroid x but we also have asteroid y that has twice the radius and twice the mass as compared to
1calculate the final pressure in atm while using a sample of helium gas that was initially at 785 torr 370degc and 100 l was heated to 680degc while