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A gas cylinder of 55.0L volume contains N2(g) ata pressure of 32.5atm and 23.0C. What mass of Ne(g) must be introduced into this same cylinder to raise the total pressure to 65.0atm?
What is the molarity of a solution that contains 35.0 g of vitamin B1 hydrochloride (molar mass = 337 g/mol ) in 110 g of solution?
Calculate the vapor pressure of Hg at 86 oC (in atm). Hg(l) ? Hg(g) ?Ho = 61.32 kJ and ?So = 98.83 J/K
1. calculate the mass in grams for a sample of al that absorbs 1.70kj when the temperature increases from 56 degree
The atmospheric pressur on Pluto is 3 microbars. Express this pressure in bars, kPa, atm, and torr.
the following interactions can contribute to the intrinsic binding energy during enzymatic catalysis? Choose all that apply.- hydrogen bonding
The activation energy for the reaction is 48.1kj/mol. What is the half-life (in hr) in the winter (10.0 C)?
arrange the elements in order of decreasing ionization energy. rank elements from largest to smallest. to rank items as
The following reaction is used in some labs to produce greenhouse gas: CaCO3(s) + 2HCl(aq) ? CaCl2(aq) + H2O(l) + CO2(g) a) (6 pts) In an experiment 25.0 mL of 1.00M HCl and 1.73g of CaCO3 were used. How much CO2 in grams can form
A first order decomposition reaction has a rate constant of 0.0418yr-1. What is the half-life of the reaction in yr
A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees C. it decolorized a Br2-CH2Cl2 solution and gave a positive ceric nitrate test, Treatment of Compound A with ozone, followed by hydrolysis in the ..
considering the given equation as 2fe2o3s 3cs rarr 4fes 3co2g and compute w when 181 grams of iron iii oxide mm
What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA-, A2-) at pH 8.26.
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