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what would the pressure of the gas in the flask for an open-tube manometer if the level of the mercury that is open to
with ammonium carbonate and calcium chloride on the basis of general solubility rules predict the identity of the
beers law states aebc which directly relates the concentrationc of a sample its molar absorptivity e and the
use the ideal gas laws to calculate the mass of 25 m3 of a mixture of 21 vv oxygen o2 and 79 nitrogen n2 which is at a
suppose that you add 25 g of naoh to 50g of hno3 in a calorimeter and you measure a resulting temp increase of 1517 c
when using bromothymol blue as the indicator what is the ph of the solution when the concentration ratio of the acid to
a bomb calorimeter has a heat capacity of 247 kjk when a 0105 g sample of c2h4 was burned in this calorimeter the
what is the specific heat capacity of gold if it requires 488 j to raise the temperature of 15 grams of gold 25
light with a wavelength of 491 nm lies inthe blue region of the visible spectrum what is the frequency of this
the weather stations give the atmospheric pressure in inches of hg what is your measured atmospheric pressure in inches
how do you calculate enthalpy neutralization when you are given a situation where a coffee cup calorimeter 500 ml of
a sample of gas in a balloon has an initial temperature of 20 c and a volume of 175x103 l if the temperature changes to
cu2co3oh22cuoh2oco2if there is 127 g of copper ii carbonate hydroxide cu2co3oh2 what mass of copper ii oxide is
for thenbspdecomposition of hydrogen iodide on a gold surface at 150 degc2 high2g i2gthe average rate of disappearance
analysis of a white solid produced in a reaction between chlorine and phosphorus showed that it contained 7744 chlorine
how do you calculate the heat capacity of the calorimeter when you have a combustion of 01584 grams of benzoic acid
how do you calculate the heat released when 00100 mole sample of butane is burnt in bomb calorimeter with a heat
an electrical heater delivers 8450 kj of energy as heat to asystem consisting of the gas inside a cylinder having a
silver carbonate ag2co3 is a sparinglysoluble solid please answer the following questions about asaturated solution
a 1291-g sample of a solid weak monoprotic acid is used to make1000 ml of solution 600 ml of this solution was titrated
the heat of vaporization of acetone is 320 kjmol the normal boiling point of acetone is 565 c what is the vapor
a tennis ball contains 250ml of air at 125atm a tennis star soupsit up by injecting 50ml of air at 1 aim into the
a solution containing a buffer has an initial ph of 878 if a student adds 5 drops of naohaq to this solution what would
when 1160 ml of water at 260degc is mixed with 710 ml of water at 850degc what is the final temperature assume that no
how do you find which compounds are electrolytes nonelectrolytes strong electrolytes weak electrolytesin