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A layer of peat beneath the glacial sediments of the last ice age has a carbon-14/carbon-12 ratio that is 22.6% of that found in living organisms.
Part A:
How long ago was this ice age?
How can you outline a multistep synthesis of trans-stilbene (Ph-CH=CH-PH) using benzaldehyde
What time will it take 10.0 mL of Chlorine gas to effuse through a porous barrier when it has been noticed that 76.3 min are needed for 10.0 mL of Hydrochloric acid gas to effuse through the same barrier.
Vanadium crystallizes in a body centered cubic lattice (the V atoms occupy only the lattice points). How many V atoms are present in a unit cell?
health risk does each of the following classification represent Corrosive Carcinogen Teratogen Mutagen
B)if water is added to 150ml of a 1.2M KCL solutionuntil the volume is 150 ml what is the new molarity?
write the structural formulas for the two 2 chloro-isomers that can be formed from 2-methylpropane(isobutane)
Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2.
When two atoms of 2H (deuterium) are fused to form one atom of 4He (helium), the total energy evolved is 3.83 × 10-12 joules. What is the total change in mass
What is the osmotic pressure of a solution made from dissolving 85.0 g of glucose, rm C_6H_{12}O_6, in 300 mL of water at 45.0{^circ}C?
Nitric acid is a strong acid, but nitrous acid is a weak acid. Why? A. there are more electronegative oxygen atoms bonded to the N atom
What is the molarity of a solution that contains 60.0 of vitamin B1 hydrochloride (molar mass = 337 ) in 180 of solution?
what is the concentration of toluene in air produced by vaporizing 1 ml of liquid toluene into clean air to produce a total volume of 100 liters? Toluene has a molecular weight of 92
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