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The International Union of Pure and Applied Chemistry (IUPAC) have adopted 273.15 K as well as 1 bar as standard temperature and pressure (STP) for gases. Under these conditions the molar volume of ideal gas is 22.71 L. Explain what is the molar volume of ideal gas at 351.0 K and 2.3bar?
when 1.150 grams of an unknown nonelectrolyte dissolves in 10.0 grams of water the solution freezes at -2.16degc. what
Calculate the volume of glacial acetic acid (17.6M) and eight of sodium acetate (mm=82.03) that is required to make 102 mL of 0.2M buffer at ph 4.85. The Ka of acetic acid is 1.4*10^-5.
H2SO4, for the first step instead of concentrated HNO3 . What changes will be observed for the initial reaction with copper metal?
This is equal to the number of moles of HCL present in the 5.00mL of HCL delivered to the flask. Compute the molarity of the HCL.
A 14.0 g sample of CaCl2 is dissolved in 121 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C·..
Deduce the structure of the molecule with the molecular formula C3H6 with a C13 NMR delta peak value of 27.8
What bromination product(s) would you expect to obtain when the following compound undergoes ring mono-bromination upon reaction with Br2 and FeBr3. Only the organic product is required (draw the molecule)
What total mass of hydrogen is contained in 7.1 g of solution that is 51 % hydrogen peroxide
container a with 150ml contains a gas with an unknown pressure. container b with volume 250ml contains a gas under 628
The wave function for the ground state of the quantum harmonic oscillator
Calculate the initial volume of a sample of a gas if its final volume is 344 mL after being heated from -10 °C to 40 °C.
A piston performs 450 L*atm of irreversible work on the surrounding, while the cylinder in which it is placed expands from 10. L to 25L. At the same time, 45 J of hear is transferred from the surroundings to the system.
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