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In order to induce the error in the precision and accuracy section ,a) would the balance be registering masses too low or too high? b)would the pipette be delivering more or less than the graduation indicate? explain briefly
What is the half-life of a second-order reaction in which 45.0% of the original concentration of 1.00 M remains after 325 seconds?
What is the equilibrium constant for K2CrO4 and what is the equilibrium constant for K2Cr2O7?
Determine the pressure change when a constant volume of gass at 1.00 atm is heated from 20.0 C to 30.0C.
What liquid is insoluble in water and soluble in cyclohexane and alcohol; and has a boiling pint of 58 degress Celsius at 670 mm Hg.
53.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139-mL portion of that solution is diluted using 189 mL of water.
The concentration of an enzyme within a cell is extremely low realtive to other material present, yet functions effectively in its metabolic rate. How can enzyme function and never seem to run out?
what statement about alcohols, ethers, and amines is not correct? a- ethyl group is represented by C2H5 b- CH3 is known as methyl group c- there are primary, secondary, tertiary classifications for alcohols
A 51-kg person drinks 390. g of milk, which has a "caloric" value of approximately 3.0 kJ g-1. If only 16% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake?
For a current of 360 A at 3.67 V, how much electrical energy (in kw-hr) is consumed in the production of 1 kg of aluminum? (A kW-hr is 3.6 x106 J.)
If a sample has an initial mass of 2.24 grams and undergoes decay until it has a mass of 0.140 grams, how many half-lives have passed?
Silver has an average atomic mass of 107.87 u. If 48.18% of Ag exists as Ag-109 (108.9047 u), what is the identity and the atomic mass of the other isotope?
Calculate the mass of pure water recovered per mass of water in the process feed. A.3) Calculate the weight percent of salt leaving the 5th evaporator. (Note: Thoughtful selection of control volume can save you a lot of algebra.)
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