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How do you find the stability of a molecule, for example for NO (nitric oxide)? It would be great if you could explain the bond number and the lone pair number for NO as well.
If a non-cyclic alkane shows a molecular ion peak at m/z 464, what is the chemical formula
Calculate the change in internal energy, u2-u1 in kJ/kg of Oxygen (O2) when the temperature of the gas is increased from 250K to 800K. Assume a constant specific heat. Use table A-20 to determine an appropriate value of the specific heat.
A molecule of unknown structure has a molecular formula of C9H8O2. In the infrared spectrum there are absorptions at 1761, 1145 and 761 cm-1. In the 13C NMR spectrum there are absorptions at? 168.4, 152.0, 128.2, 128.0, 124.3, 122.8, 116.8, 29.1 a..
How much KOH (in grams) is required to neutralize a sample of 125mL of 0.5N HCl that has just been added to 875mL of distilled water
It takes 24.0 min for the concentration of a reactant in a second-order reaction to drop from 0.40 M to 0.30 M. What is the rate constant (in min-1) for this reaction
Determine the ksp magnesium hydroxide where the solubility of Mg(OH)2 is 1.4x 10-4
The standard enthalpy of formation of K+(aq) is -252.14 kJ/mol. How much heat is evolved when 0.1047 g of K(s) reacts with excess HCl?
a sample of 40.0 ml of .1 m acetic acid is titrated with .150 m naoh ka 1.8 x 10-5 what volume of naoh is used in the
The concentration of sulfuric acid, H2SO4 is 36M. What volume is required to prepare 6.0 L of 0.12 M acid
Use the letter from the reagent table for inorganic reagents and write the IUPAC substitutive name for the bromoalkane.
Question- When a 3.00-g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of 1.348 kJ•K-1, the temperature decreases by 0.400 K. Calculate the molar heat of solution of KCN.
The assay of a soda ash sample was reported as 65.21% Na2CO3. Express the carbonate content in terms of percent CO2 and percent carbonate ion.
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