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Which atom has the largest partial positive charge in these bonds? C-H, C-O, C-F, C-Cl C in C-O Cl in C-Cl O in C-O F in C-H C in C-H C in C-Cl C in C-F
A living organism has an activity of 15.2 counts per minute (cpm) per gram of carbon. If a bone is determined to have an activity of 3.80 cpm per gram of carbon, how old is the bone?
What is the concentration ratio of CO2 (usually written as H2CO3) to HCO3- in blood at pH = 7.40. (carbonic acid Ka1 = 4.3 x 10-7)
A flask contains 0.180 of liquid bromine br2, . Determine the number of bromine molecules present in the flask.
What is the Slater determinant for the GS of Be? I need to also find an expression for its energy in terms of Coulomb and Exchange integrals.
Consider all the valence electron pairs of the central atom-both those that are shared in covalent bonds, called bonding pairs, and those that are unshared, called non-bonding pairs or unshared pairs.
To what temperature must the specimen be heated and how much Sn should be mixed to the 1.5-kilograms specimen at the temperature of twenty five degree celsius to achieve this state?
2.00 moles of a gas occupies 62.2 L at a par- ticular temperature and pressure. Its density is 0.900 g/L. What is the molar mass?
A mixture consisting of 7.0g CO and 10.0g SO2, two atmospheric pollutants, has a pressure of 0.33 atm when placed in a sealed container. What is the partial pressure of the CO?
which two metals are plated, and what is the total potential? c) If 3.00 g of metal is plated in the voltaic cell, how much metal is plated in the electrolytic cell?
you are given solid AgNO3, distilled water and 250ml volumetric flask. describe how to make up the required solution
A 70.0 g piece of metal at 22.0°C is placed in 100.0 g of water at 80.0°C in a coffee cup calorimeter (with negligible heat capacity), and the metal and water come to the same temperature at 75.6°C. What is the specific heat capacity of the metal
Write a chemical equation describing the condensation process for CO2 and a chemical equation describing the freezing
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