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what is the purpose of hydrochloric acid hcl in an vanillin reduction experiment explain how to differentiate between
a sample of a substance with the empirical formulanbspxcl3nbspweighsnbsp05292nbspg when it is dissolved in water and
how much heat is generated when 157 g of lead changes in temperature from 104 kelvin to 217 kelvin report your answers
if the mass of acetic acid taken for titration is 2928 g and the net volume of naoh is 1198 mlinitial 55 ml final 1749
1 a copper atom has a radius of 135 pmnbspif you place copper atoms side by side how many atoms would it take for the
your lab partner has taken too much of one of the reactants in your experiment because of course you would always take
based on the numbers gathered from the lab in finding the freezing point of cyclohexane and given the percentages of c
erioglucine is a blue-colored dye that absorbs its complementary color red in aqueous solution around 645 nm
how would you know which would have a higher volatility and who will have the lowest volatility from n-decane n-heptane
question 1nbspnbspreferring only to the periodic table tellanbsphow the electron configurations ofnbspfluorinenbspf
what are the importance of electrons in chemistry what do electrons have to do with chemistry and why are they
magnesium has a 2 charge mg2 in combination with the nitrate ion it forms the compound mgno32a what is the charge on
in a 10times 10-2 m solution of ch3nh3braq identify the relative molar amounts of these
a 05736g sample of an unknown solid acid titrated with the above standardized sodium hydroxide required 4324 ml of base
the specific heat is the amount of heat required to raise the temperature of one gram of a substance one degree celsius
cobalt forms a colored complex when a solution of cobaltii ions is mixed with a solution of ammonium thiocyanate the
which of the following choices is the correct measurement to record in your data if the digital readout on a balance
stock standard mother methyl orange 01000 gl 100 mglhow to find concentration of sample when taken 5ml of the mother
indium iii oxide is reacting with acetic acid water and oxygen gasnbspthe only product of this combinationsynthesis
please explain the steps to this problema solution of naoh is standardized by titration with 0100 n hcl a total of 100
questions please provide detail information and not just a sentence1 what are some differences between an ionic bond
a thermodynamics finds that the enthalpy of formation of ozone o3 gnbspat 500 cdeg and 140 kj mol-1 what is the value
when 80 g of water c 419 jgc initially at 48 degree c is poured into an 80 g glass container c 050 jgc initially at
a 10ml sample of aqueous hcl requires 2432ml of 0134m naoh to reach the endpoint what is the molar concentration of hcl
use the ideal gas law equation and derive a formula that relates pressure and number of moles of gas at constant