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an ice cube of 151 grams is placed into 304 grams of h2o compute the change in temperature in the h2o upon completing melting of the ice hint
when carbon monoxide was burned with excess air at constant pressure and the measured temperature of exit gases observed at 981 degrees celsius
explain why does atp synthesis occur in the presence of rotenone an inhibitor of one the reactions in the electron transport system if succinate is
p4 white phosphorus ignites in air to make light heat and p4o10 according to the p4s 5o2g p4o10s reaction it is observed that when p4 of 672 grams
considering the given equation hcl x3po42 h3po4 xcl2 it is given thatnbspwhen a particular metal a reacts with hydrochloric acid then the
a metal piece of mass 27 grams at the temperature of 99 degree celsius is positioned in a calorimeter having 451 g rams of h2o at the temperature of
name the highly volatile liquid may cause grave danger to the environmental health amp safety and fire safety professionals at happening scenes as
the drops in temperature is measured by 113 degreed celsius when a 55 g sample of a certain metal and it loses heat of 837 cal calculate what is the
doctors commonly used a syringe for drawing blood this syringe commonly has an opening with a 0514mm of diameter determine what is the pressure of
a tweezers pair with a 227 grams of mass is dropped from roof and hits the floor it is observed that the acceleration 981 msec2 tweezers part that
a student weighs out ten thousands grams of magnesium sulphate from a bottlethe sample was 5720 g after heating the chemical reaction that occurs
normal c7h16 is dehydrocyclicizedc7h8g 4h2gbrvbarc7h16g to hydrogen and toluene in a continuous gas-phase reaction in this reaction pure heptanes
write down the product for the reaction butane forward and backward reactionin the presence of aluminium bromide and hbr at the temperature of 27
calculate the radius of a au gold atom if au atom has a face-centered unit cell it is given that its density 1932 gcm3 assuming freezing point of
a sample of 15 grams of unknown alkali metal carbonate that was dissolved in h2o and 3110ml of 0350m cacl2 was needed to precipitate all the
1764 lbs of ammonia is being deposited into 1 hectare of farm land suppose all of the 1764lbs of ammonia will be nitrified into no3 then determine
we have a compound that is determined to contain 436 grams of nbspphosphorus and 564 grams of oxygen and a molar mass 284 gmol find out the molecular
assume that while titration of vinegar sample with standard naoh takes place you misread the buret and the observed that the intended volume of
describe in brief the risk connected with solutions of 1m nh3 1m hcl and 1m naohexternal pressure of 130 atm had by piston determine how much work w
using a solution of hoc2h23nhcl solution in which kb hoc2h23n 59 times 10-7 then determine what is the ph of a 0010 m triethanolammonium
if the formula for magnesium fluoride is mgf2 and the formula for potassium chlorate is kclo3 then what is the formula for magnesium chloratewhen
there are some solutions that are given as a ch4nbspb caoh2nbspc naohnbsp d co2nbsp e ch3nh2 find out which solution is with ph gt 7 but is not an
the given chemical reaction is 2nh3g n2g 3h2g in this the equilibrium is to be-2 established in a container of 10 litre at a temperature of 1000 k
if a sample of 316g at a pressure of 0750 atm and temperature of 45 degree celsius then calculate what is the molar mass of a gas if it occupies a
explain why a glacial acetic acid in a conductance set-up does forms gradually brighter lights that is dim to bright because it is frequently diluted