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Suppose that the atomic mass unit (amu) had been defined as one-sixth of the average mass of an atom of fluorine instead of one-twelfth of the mass of an atom of carbon-12.What would the average atomic mass of phosphorus be on this new scale?What would the value of Avogadro's number be on this new scale?
The volume of a gas is 2.80 L, measured at 1.00 atm. What is the pressure of the gas in mmHg if the volume is changed to 9.11 L
Enzyme labeling can be used to map the structure of the active site of an enzyme using an affinity label, a molecule that is structurally similar to the substrate
A 14.0-g sample of CaCl2 is dissolved in 131 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C ..
Assuming that the smallest measurable wavelength in an experiment is 0.670 fm (femtometers), what is the maximum mass of an object traveling at 605 m·s-1 for which the de Broglie wavelength is observable
In a solution mixture of a 0.010M weak acid and 0.10M weak base, the measured pH was 4.75 at 24C. calculate the Ka of this weak acid. if 10mL of this mixture was then diluted with distilled water to a total volume of 100mL, what would be the new p..
A 100.0-g sample of water at 27.0 oC is poured into a 77.4-g sample of water at 89.0 oC.What will be the final temperature of the water?
Some watch dials are coated with a phosphor, like ZnS , and a polymer in which some of the first H atoms have been replaced by third H atoms, tritium.
How many grams of potassium nitrate are required to prepare 0.250 L of a 0.700 M solution?
CCl4 dipole-dipole dispersion ion-dipole ion-ion (b) CsBr dipole-dipole dispersion ion-dipole ion-ion (c) BaCl2 dipole-dipole dispersion ion-dipole ion-ion
Put the following steps of GroEL-GroES chaperonin function in order, starting with an unfolded polypeptide and ending with a polypeptide in its native conformation
Assume that an incorrectly adjusted lawn mower is operated in a garage such that the combustion reaction in the engine is:
rank the following compounds in order of decreasing vapor pressure. rank from highest to lowest vapor pressure. to rank
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