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Mass Mol Atoms Moles Mol Mass Moles Atoms g mol Atoms Moles How many atoms are in 1 g of What is the mass of 1 the substance shown below? Mole of the substance shown below? 10 g of the substance below equals how many moles? If 1/8 of the 1 mole of iron atoms shown here turn to rust (Fe2O3) upon exposure to moisture, what is the mass of how many What is the mass of 5,000 Fe2O3 and moles of Fe2O3 are formed? Copper atoms?
If 138 mL of wet H2 is collected over water at 24°C and a barometric pressure of 748 torr, how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 torr at 24°C.)
Estimate the age of a bottled wine that has a tritium, 3^H, content 65.% that of freshly bottled wine. Tritium decays by beta decay and has a half life of 12.3 yr.
Calculated what is the pressure exerted by the tweezers on the floor at the moment of impact
consider the following unbalanced reaction.p4s f2g -gt pf3ghow many grams of f2 are needed to produce 120. g of pf3 if
The osmotic pressure of solutions of polystyrene in toluene were measured at 25?C and the pressure was expressed in terms of the height of the solvent of density 1.004 g cm-3.
To better understand why, scientists synthesized artificial protein mimics that were linked by ester bonds instead of the amide functionality ( the R-group side chains all remained the same). They found that these mimics did not form highly organi..
Draw an example of the change in molar volume during a 1st and 2nd order phase transition vs. temperature.
Provide the proper IUPAC name for the alkene shown below? choose your answere from the following answers provided. (a) 2-ehtyl-2-methylcyclohexene (b) 3-ethyl-3-methylcyclohexene (c) 6-ehtyl6-methylcycyclohexene
Explain how a calibration curve could be used to determine an unknown quantity
when 500 L of a 2.0 M solution of Pb(NO3)2 is mixed with an excess of 1.00 M solution of KI, how many grams of lead(II) iodine are formed?
the heat formation of Al2O3(s) is delta H final is -1669 kj/mol. calculate the heat evolved when 0.267 g of Al burns in oxygen
What generalization can you make about the rotation of a Fischer projection formula in the plane of the paper? Answer a. 90° rotation results in an enantiomer, 180° rotation results in the identical molecule.
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