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a beaker containing 5000 ml was determined to contain 0150 mammonia nh3 and 0150 m ammonium chloridenh4cl to this
if 251 ml of a 0101 m agno3 reacts with a278 ml sample of a sodium chloridesolution what is the molarity of sodium
the cl-cl bond energy is 242 kilo joule mole what wavelength of electromagnetic radiation is necessary to break the
the heat of solution of ammonium chloride is 152 kjmol if a 6134 g sample of nh4cl is added to 650 ml of water in a
the overall order of the reaction 2x 3y --gt 2z given the rate law rate kx2y2nbspis whatfor reaction 2a --gt b the
what effect will adding some c have on the system what is the change in entropyconsider the following reaction at
please explain an element has the following natural abundances and isotopic masses 9092 abundance with 1999 amu 026
please explain the gas tank of a certain luxury automobile holds 223 gallons according to the owners manual if the
for a classroom demonstration a chemistry teacher puts 5 ml of water into a soft plastic pop bottle and with tongs
a small glass bead weighs 287 mg and a small marble weighs 842 g a quantity of small glass beads weighs 509 kg what
consider a process that is spontaneous at high temperatures but becomes non spontaneous at low temperatures the sign
how many grams of amino acids are in 240 ml of solutionhow many grams of amino acids does the patient receive in 1
when performing an n-doping for a molecule atoms with higher valence electron atoms are used here does it matter if the
there is 782 g of water and the specific heat of water is 10 calgdegcnbsphow many calories per gram are produced from
what effect will increasing the volume of the reaction mixture have on the system what is the change in entropyconsider
a container contains 317g of co2g the partial pressure of co2 is 280 atm and the volume of the container is 324l so
a chemical or biological hazardnbspand howchemical properties vapor pressure vapor density molecular weight relative
from the moles of carbon dioxide calculate the moles and mass of carbon producednbspcalculation we must understand that
the bodies of adult humans are composed of 55-60 water on specific heat and heat transfer how does the water help us to
in the balanced chemical reaction the coefficients represent the mole relationship of each substance needed or produced
a given 5000 g of sodium hydroxide how many moles of sodium hydroxide do you havenbspanswerb what is the molar ratio
for the balanced equation shown below if the reaction of 243 grams of so2nbspreact with 423 g of h2s producing 458
nitrogen gas can be combined with oxygen gas to form nitrogen dioxide gas no2nbspusing this information and the
an unknown organic compound gave the following elemental analysis data c 6663 h 1118 and molecular weight 72107