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determine an expression for the change in entropy when two blocks of the same substance and of equal mass one at
utilize the subsequent data compute the heat of reaction for the production of coal gas- 2 cs 2 h2og ch4g co2gcs h2og
if 200ml of 00850 m naoh is added to 750ml of the buffer solution explain what will be the ph of the final
on the bottom of a sea depth 10m a bubble of a mathane gas if formed diameter d bottom1 cm explain what is the diameter
briefly draw a procedure you could use to determine the hc2h3o2 concentration in a vinegar sample explain what would be
how do you figure out formal charges on the lewis dot structures for instance i require help with finding sulfur
state a detailed mechanism for the formation of ethyl acetate from ethanol and acetic acid with h2so4 as catalyst b
h-nmr has chemical shifts between 12 to -4 explain what does having chemical shifts in the negative region
forecast whether an aqueous solution can be made up to have the subsequent concentrations or whether a chemical
if sodium hypochlorite naclo is the active ingredient in household laundry bleach explain what is the ph of 043
an al strip is placed in cuso4 solution 1 would you expect a spontaneous reaction to take place based on the net
explain what is the net ionic equation for the solute nacl in h20 we are told to write the dissociation first if it
define this observation as concentrated h2so4 is added to water the temperature of the resulting mixture
define this observation- while zinc metal is added to a solution of dilute h2so4 bubbles of gas are formed and the zinc
can someone do the mechanism for the two step reaction where a benzyl gets converted to a meso-hydrobenzoin regent for
explain how much energy must be invested for a proton to approach a lithium atom without any electrons at the distance
a volume of 50 ml of 400 m hbr at 2435 c is added to 50ml of 400 m naoh as well at 2435 c the final temperature is 2706
at 25 c an unknown gas q diffuses at a rate 165 times faster than that of propane c3h8 explain which of these gases is
forecast what volume ml of 03000 m naoh is needed to titrate the 2500 ml of 03000 m hcl to the equivalence
state two sets of equations both molecular and total ionic with different reactions that have the same net ionic
concentrated hydrochloric acid is 375hcl by mass and has a density of 1205gcm-3 define what volume in ml of
while a 1150 g sample of iron ore is treated with 500 ml of hcl the iron dissolves in the acid to form a solution of
1 find out the normal boiling point in celsius of pure acetic acid giving that the liquid has a vapor pressure of 139
explain what would be the nal ph if 00100 moles of solid naoh were added to 100ml of a buffer solution containing 0600
explain how to do this problem a gas sample has a volume of 500 ml at 20 degree celsius define at what temperature