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1 mole of an ideal gas undergoes an isothermal change at temperature T so that its volume V is doubled.
R is the molar gas constant. work done by the gas during the change is?
Putrescine [NH2(CH2)4NH2], found in rotting animal tissue, is now known to be in all cells and essential for normal and abnormal (cancerous) growth. It also plays a key role in the formation of GABA, a neurotransmitter.
the volume of NaOH needed to neutralize it and repeats the process several times to determine the concentration of the NaOH solution. She calculates the concentration and uncertainty in the concentration of the NaOH from the titration data.
From these data, and assuming that air obeys Charles's law, determine a value for the absolute zero of temperature in degrees Celsius.
Question- Calculate the theoretical yield for water in grams, if you start with 25.0 grams of methane. CH4 + O2 = CO2 + H20 unbalanced.3
A solution of KHC2O4.H2C2O4.2H2O three replaceable hydrogens is 0.200 N as an acid. Define what is its normality as reducing agent
If 67.0 mL of 0.119 mol/L NaOH(aq) and 35.0 mL of 0.193 mol/L HA(aq) are mixed, then what is [HA] at equilibrium. Assume that HA is a weak monoprotic acid with pKa=6.23 at 25oC.
an aluminum tank of volume 0.0300 m3 is filled to the top with mercury at 20.0 degc. the tank is placed inside a
question in a reaction 34.6 g of chromiumiii oxide reacts with 12.3 g of aluminum to produce chromium and aluminum
Several artificial nitrogenous bases, called base analogues, can be taken up by cells, converted to nucleotides, and incorporated into nucleic acids. They are often potent mutagens, and some are used in cancer chemotherapy.
A solution of glycerol in 701 g of water has a boiling point of 103.8 C at a pressure of 760 mm Hg. What is the mass of the glycerol in the solution?
Use the graph of solubility of O2 in water versus temperature to calculate the value of Henrys law constant Kh for O2 at 8 and 33 degrees Celcius.
The bond distance and dipole moment calculated for the highly reactive gas phase OH molecule are 0.98Ao and 1.78D, respectively. Compute the effective charges on the O and H atoms of the OH molecule (in units of the electronic charges).
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