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a 155-g piece of copper at 159oc is dropped into 2500 g of water at 187oc the specific heat of copper is 0385 jgoc
if 133 g of ice at 00degc is added to 196 l of water at 76degc what is the final temperature of the
the ksp of calcium carbonate caco3 is 336 times 10-9 calculate the solubility of this compound in
what concentration of so32- is in equilibrium with ag2so3s and 710 times 10-3 m ag the ksp of ag2so3 can be found
what are the abbreviated electron configurations for ti2- ge3 w au pd 1- mo2-cr
what shell do i takeadd electrons from when i do electron configurations for transition metal anions and cations is
how much heat in kj is needed to convert 866g of ice at -10 degree c to steam at 126 degree c the specific heats of ice
co cl2 lt---gt cocl2 k 46 x 109 if the concentration of the product were to double what would happen to the
a compound has the empirical formula cocl3 x 4nh3 one mole of the compund yields one mole of silver chloride when
producing hydrogen atoms from h2 molecules requires 436 kjmol to break h-shyh bonds for the longest-shywavelength
researchers analyzing an unknown hydrocarbon with chemical formula cxhy found that 225 grams of o2g were required for
the first ionization potential of potassium is 419 kjmol if uv-shyradiation with wavelength 250 nm is used to eject
estimate the enthalpy change for the combustion of one mole of ethanol c2h5oh using average bond dissociation
what is the total pressure when 100 l of methane ch4 at stp and 400 l of oxygen at stp are mixed in a 120-shyl
which group has the highest rank when precedence is assigned according to the cahn-ingold-prelog system a -ch2ch210ch3
a substance x has the following properties size of mass is 250 g specific heat capacities hvap 20 kjmol cs 30
what is ionization energy why are the second and subsequent ionization energies higher than the first ionization energy
choose a process in any industry that involves using a reactor talk about that reactors and its role in the
in stm atomic defects such as missing atoms can be resolved but not in afm what limits the spatial resolution of an afm
explain what is meant by phase imaging afm and what is an example of an experiment where specific properties can be
in afm force-distance curves the potential energy of the lever bent under the surface forces acting between tip and
what is the basis for signal generation in this technique ie describe how and what signal is measured by the scanning
a newly synthesized drug called numb3rcaine contains an amine group an aromatic group a carbonyl group and an ester
in an atom how many electrons can have the quantum number designations n3 ml0
the following reaction is used in some labs to produce greenhouse gas caco3s 2hclaq cacl2aq h2ol co2g a 6 pts in an