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Problem- Carbon-14 has a half-life of 5,700 years. How old to the nearest integer is a mummy that has lost 53% of its carbon-14?
I am not able to solve the above problem somebody help me to get the correct answer
Carotene is a tetraterpenoid consisting of eight isoprene units bonded in head-to-tail as well as tail-to-tail fashion and cross-linked to form six-member rings at either end. Desire the bond formed by tail-to-tail linkage of the isoprene units.
A solution of 350mg of optically active 2-butanol in 10 mL of water, placed in a 20 cm cell shows an optical rotation of +6 .24 degrees. What is the specific rotation of this compound
Question- If polluted air (1m^3 / s at 300K and 1 atm) contains 200ppm of benzene and the amount of available adsorbent material (whose density, adsorbtion capacity and mass transfer coefficient are 1000kg/m^3, 0.4kg/kg and 1.0s^-1) is 4000kg, the..
A 24-kg child receives 2.85x10^6 B particles, each with an energy of 4.30x10^-13 J. If the RBE=0.40, how many millirem did the child receive?
The pKa of the acid function at the 2-position is approximately 2, whereas that at the 1 position is about 3. Which of the 2 is more acidic and why
C3H8 + O2 -> CO2 + H2O Calculate how many grams of carbon dioxide formed and the percent yield, if 35.2 grams of carbon dioxide.
a volume of 200mlk of nitrogen is collected over water at a temperture of 24 degrees celcius and the atmospheric
Calculate the mass of silver chloride required to plate 235 mg of pure silver. Silver chloride, often used in silver plating, contains 75.27% .
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity as 0.030 M CaSO4 at 20,000 units
In the Hofmann Degradation of amines an amine is exhaustively methylated with Methyl Iodide and the resultant compound treated with Silver Hydroxide and heated. An alkene is formed which is not the Saytzeff product.
The solution is also at it's equivalence point, where all moles of scid have nuetralized all moles of base. What is the pH of this solution when it's at its equivalence point
what is meant by hydrogenation? please answer in a simple and easy to
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