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Three particles have the same electon configuration. One is a cation of an alkali metal, one is an anion of the halide in the third period, and the third particle is an atom of a noble gas. What are the identities of the three particles (including charges)? Which particle should have the smallest atomic/ionic radius, which should have the largest and why?
This reaction is a catalytic hydrogenation that only partially reduces an alkyne. Consider whether the hydrogenation
Calculate the pressure of dry oxygen. If the total pressure of oxygen generated over water is measured to be 638 torr and the temperature is 22 degress celcius?
the smallest whole-number coefficients: C2H6 (g) + O2 (g) = CO2 (g) + H2O (g)
Multiple choice questions in nuclear chemistry - which equation represents the balanced nuclear equation
what mimimum hydronium ion concentration m would be needed to prevent precipitation of cupric hydroxide cuoh2 ltgt cu2
The equilibrium constant for the reaction, 2HI = H2 + I2 is 0.49. Calculate the number of moles of hydrogen produced when one mole of HI
an antacid tablet containing magnesium hydroxide as an active ingredient requires 22.6 ml of 0.597 m hcl for complete
A person weighing 77kg jogs at 1.5m/s. Calculate the momentum and wavelength of the person. Can you observe the wavelength of this person
Ferrophosphorus reacts with pryite producing iron(II) sulfide and a compound that is 27.82% P and 72.13% S by mass and has a molar mass of 444.56 g/mol. a) determine the empirical and molecular formulas of this compound. b) Write a balanced chemic..
The balanced equation for trans-1,2-dibenzoylethylene in ethanol to give the product cis-1,2-dibenzoylethylene
A 20.0-mL sample of 0.800 M HBr solution is titrated with 0.800 M NaOH solution. Calculate the pH of the solution after the following volumes of base have been added.
Use a table of standard thermodynamic values to predict the standard cell potential at 81 C: Cu(s)|CuSO4||AgNO3|Ag(s) Assume that the values of ?H and ?S are independent of temperature.
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