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is 1s2 2s2 2p6 the symbol for a macroscopic property or a microscopic property of an element explain your
an aqueous solution containing 345 g of an unknown molecular nonelectrolyte compoundin 1565 g of water was found to
a solution is prepared by mixing 00300 molch2cl2nbspand 00500 mol ch2br2nbspnbspat 25degrees c assuming the solution
a non-volatile solute depresses the freezing point of cyclohexaneby 4 degrees celcius if cyclohexane has the
you transferred 20 ml of acetic acid solution to an erlenmeyer flask and added 2 drops of phenolphthalein solution you
for the reaction hg2aqnbsp 4i-nbspaq harrhgi42-aqnbsp the overallformation constant of hginbsp42-nbspis 10 x 1030what
fluorine reacts with sodium chloride in a single displacement reaction if 25 mol of fluorine gas are used how many
a mixture containing 39 moles of no and 088 mole ofco2nbspwas allowed to react in a flask at a certaintemperature
the hydrolysis of sucrose to fructose is first order in sucrosewith a half-life of 26e03 s at some temperaturewhat
a 505-g piece of copper tubing is heated to 999 degrees c and placed in an insulated vessel containing 598 g of water
what is the expected observed rotation of a 10 x 10-4 mmethanol solution of the potent anticancer drug paclitaxel
photons emitted from atoms with energies in the visible light portion of the spectra produce colored lines called
the total concentration of dissolved particles in blood is 030m an intravenous iv solution must be isotonic withblood
the bodies of adult humans are composed of 55-60 water how does the water help us to disperse heat and regulate body
what volume will a 32g sample of butane gas c4h10 g occupy at a temperature of 45 degrees celsius and a pressure of 728
a 05750 g sample of a gas was measured as having a volume of 3433 ml at 1029 kpa and 24 degrees celsius what is the
5 g of octane are burned in a bomb calories meter containing 200 10nbsp2nbspg of h2o how much energy is released if the
the bodies of adult humans are composed of 55-60 water using information on specific heat and heat transfer how does
1 what volume of of oxygen is required to react completely to produce 341 l of hydrogen cyanide assume that all
what is the mass of a 303 l sample of carbon dioxide gas at a temperature of 300nbspoc and anbsppressurenbspof 124
do you agree or disagree with the following statement any part of a chemical equation can be changed to balance the
a neon sign made of glass tubing whose inside diameter is 20 cm and whose length is 40 m if the sign contains neon at a
a patient received 50nbspg ofnbspnacl in 8 hourshow many milliliters of a 040nbspnbspmvnbspnaclnbspsaline solution were
design a procedure to distinguish between the following four substances1 ch3oh l2 ki s3 c12h22o11nbsps4 c6h6nbsplfirst
match the compound with the correct descriptionna2so4nbsp c11h22o11 c10h8nbspfef2solution conducts electricitysolution