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Write the ground state electron configuration , both full notation and noble gas abbreviation and indicate the number of valence electrons for Al, I, Rb, Ar, Mg
The pressure in the eye of a hurricane is less than atmospheric pressure. Which one of the following pressure readings could not have been taken
Hydrogenation reactions are used to add hydrogen across double bonds in hydrocarbons and other organic compounds. Use average bond energies to calculate DELTA Hrxn for the following hydrogenation reaction:
In a 50.0 L container, 4.00 moles of chlorine and 2.00 moles of bromine are placed and kept at 293.0 K until equilibrium is reached. At equilibrium there are 82.63 g of Br2
How much heat is required to raise the temperature of 42.5 g of water from its melting point to its boiling point?Express your answer numerically in kilojoules.
Combine your results in b with the total experimental value of BEta Mu ^x to obtain the attractive contribution to BEta mu ^x and estimate the value of cohesive coefficient t?
the resulting solution required 38.10mL of 0.08765M AgNO3(aq)to precipitate the Cl(aq) and BrCl(s)and AgBr(s) calculate the mass percetage of NaCl(s)in the mixture
A solution of phosphoric acid was made by dissolving 10.0g H2PO4 in 10.0 mL of water. The resulting volume was 104 mL. Calculate density, mole fraction, molarity, and molality of the solution.
What is the energy of a violet photon with wavelength 4.0 x 10^-7 m?
How many moles of air are present in the RV at 1.0 atm and 37oC? b) How many molecules of gas are present under these conditions
How do the spacings of the energy levels of X and H compare, where X has one electron like the H atom but has different energy levels and for X: E = - (RH / n3) and RH is the same as H (2.179 ×10?18J)?
report the total heat needed and the heat needed for each individual step in the process.
When 1.150 grams of an unknown nonelectrolyte dissolves in 10.0 grams of water, the solution freezes at -2.16°C. What is the molecular weight of the unknown compound
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