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the reaction between n2 and h2 to produce nh3 is an important industrial process using the information from your text
a device has been designed to measure the flow rate of carbon dioxide evolved from a fermentation reactor the reactor
a hot water bottle contains 960 g of water at 59 degree c if the water cools to body temp 37 degree c how many
suppose that 413 l of methane at a pressure of 800 torr is transferred to a vessel of volume 242 l what is the final
an electron in the hydrogen atom makes a transition from an energy state of principal quantum number ni to the n2 state
a 2500-ml aliquot of a nitric acid solution of unknown concentration is pipetted into a 125-ml erlenmeyer flask and 2
the half-life of carbon-14 is 5730 yearsif only 546 of the carbon-14 initially present in a bone is found to exist
a high protein diet contains 78 g of carb 150 g of protein and 68 g of fat how many kilojoules does this diet
determine the shortest frequency of light required to remove an electron from a sample of ti metal if the binding
a hydrogen atom in a certain excited state has its electron in a 5f subshell the electron drops down to the 3d subshell
nitrogen oxides undergo many interesting reactions in the environment and in industry given the following information
a 286 g sample of ethylene glycol a car radiator coolant loses 700 j of heat what was the initial temperature of
calculate heat of reaction in kj per mole of khco3s for the reaction of potassium bicarbonate and hydrocholric acid
what is the change in internal energy in j of a system that absorbs 0524 kj of heat from its surroundings and has 0344
draw two chair conformers for each of the two isomers for trans-1-tertbutyl-3-methylcyclohexane which is more stable
if a molecule having an ionization energy of 1183 ev produces a photoelectron having a kinetic energy of 77697e-19 j
it is recommended that we drink 8 glasses of water a day each glass of water weighs 240grams if the human body contains
when lcao molecular orbitals of methane ch4 are formed from the carbon 2s and 2p atomic orbitals along with the 1s
if the total number of electrons in a homonuclear diatomic molecule is 16 what is the overall bond order of the
if a second-period diatomic molecule has 13 electrons in its valence shell total of 2s and 2p electrons what is the
what is the formula for the principle molecular or ionic species present in a aqueous solution of hydrogen
what is the formula for the principle molecular or ionic species present in a aqueous solution of
compare and contrast visual and non-visual means of identifying a reaction and the importance of
if 270 ml of agno3 is needed to precipitate all the ions in a 0800mg- sample of kcl forming agcl what is the molarity
calculate the ph of a solution containing 15 m acetic acid and 025 m sodium acetate for acetic acid ka 18 x 10-5 hint