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Arrange the following gases, at the temperature indicated, in order of increasing rms speed of the particles: helium at 100 degrees C, neon at 50 degrees C, and argon at 0 degrees C.
can someone please help explain why the negative slope of thesolid liquid line in the h2o phase diagram is unique?
how many grams of sodium fluoride used in water fluoridation and manufacture of insecticides are needed to form 485 g
What is the concentration of Ag+(aq) remaining in solution when the second metal iodide begins to precipitate from the solution? Ksp1(AgI)=1.5E-16 and Ksp2(PbI2)=1.4E-8
What type of chemical reactions is used to liberate energy from the fuel in the form of heat? What are the products of the reactions? Write a representative reaction equation.
Calculate the standard reaction enthalpy for the reaction above (as written) using the following data: N2(g) + O2(g) -→ 2 NO(g)
Determine the volume measured in a buret of a 0.2750M solution of HCl needed to consume all the calcium carbonate in a 2.5 x 1.0 x 0.5 in block. Density of CaCO3 es 2.71g/cm3.
How many grams of sodium bromide must be added to 309 grams of water in order to prepare a 0.108 molal sodium bromide solution?
determine the empirical formula for each substance.1. a dead alkaline battery is found to contain a compund of mn and
A balloon 15m in diameter is inflated with helium at 20 degrees Celsius. How much work is done during inflation against an external pressure 1atm.
Calculate the change in entropy when 54 ml of hot (95 C) water is added to 90 ml of cold (5 C) water is a closed cup, given that Cp (H2O, l) = 75.5 J/molK
Compute the atomic mass of 109Ag if natural abundance of 107Ag is 51.87% & atomic mass =106.905 amu and determine the probability of particle would be located in the range
If 5.0L of nitrogen at 12°C and 1.30atm pressure reacts with the same volume of hydrogen at the same temperature and pressure, what volume of ammonia is obtained at that temperature and pressure
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