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The model of the atom has been improved to match experimental results over time. Discuss the historical models of the atom. Include the scientist most recognized for the model and any significant experiments conducted to advance our understanding of the atom.
1.at what ph is amino acid glycine with ka of 2.51 x 10-10 66 dissociated2. what is the ph of a solution made by mixing
the mass of ahydrogen atom is 1, and the mass of an oxygen atom is 16 daltons,how many molecules does one mole of sugar(C12H22O11) contain?
Problem- Calculate the equilibrium distribution of Cu(II) species in a carbonate-bearing water at pH 8 where Cut = 5*10^-8 M and Ct = 2*10^-3 M
A mixture of 40 Ml of methyl butyrate (MW-102.1 g/mol,d-0.89 g/mL) and 10 mL butyric acid (MW=88.1 g/mol, d=0.96 g/ML) is distilled.
the average human body contains 6.50 l of blood with a fe2 concentration of 1.60times10-5 m. if a person ingests 7.00
Estimate the osmotic pressure of human blood at 37°C. Assume blood is isotonic with a 0.16 M NaCl solution, and assume the van't Hoff factor i is 1.9 for NaCl.
The experimentally measured density under the same conditions is 3.10 g/L. Account for the discrepancy between your calculated value and the experimental result.
Question- After 47 min 20 % of a compound has decomposed. What is the half life of this reaction assuming first order kinetics
We can measure the concentration of HCl solution by reaction with pure sodium carbonate: 2H+ + Na2CO3 --> 2Na+ + H2O + CO2. Complete reaction with 0.967 4 (+/- 0.000 9) g of Na2CO3
Large quantities of hydrogen are needed for the synthesis of ammonia. One preparation of hydrogen involves the reaction between carbon monoxide and steam at 300 degrees Celsius in the presence of a copper-zinc catalyst
An electromagnetic wave of free space wavelength 0.5mm propagates through a piece of indium antimonide that is placed in an axial magnetic field. There is resonant absorption of the elctromagnetic wave at a magnetic field, B = 0.323 wb m-2.
Match the detector or detectors that can be used in gas chromatography for the detection of the following list of analytes by dragging the detector into the box to the left of the analyte.
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