Calculate the number of moles of O atoms in 13.27 g Mn(NO3)2. Hi I did this question and it seemed pretty easy but there is this online assignment I am...
Molalityis the number of moles of solute per kilogram of solvent. Because the density of water at 25°C is about 1 kilogram per liter, molality is approximately equal to molarity for dilute aqueous solutions at this temperature. This is a useful approximation, but remember that it is only an...
The method is based on assessment of the enthalpy change (螖 H ) of feedstock components and reaction products, with the formation enthalpies of molecules being presented as a linear function of the number of moles of the elements C, H, N, O, and S. The results of computational study ...
number of moles in the equation n number of moles of a component or number of experiments s standard deviation of experimental data V solution volume, mL x mole fraction y molar activity coefficient γ molar activity coefficient δ root-mean-square relative deviation of the calculated data...
The percent composition is obtained by dividing the amount (number of moles of the element multiplied by its atomic mass) of individual elements present in a compound by the molecular mass (sum of atomic masses of all the elements present in the compound) of the compound, multiplied by hu...
Finally, we can use the key equation number of moles is equal to mass divided by molar mass to determine the mass of aluminum produced. We can rearrange the key equation and multiply moles by molar mass, substituting in the mole value that we have just calculated, 1,492.23 moles, multiplie...
Let M be the molar mass of water (unit: g/mol) Let Vibe the volume of phase i (unit: m3) Let nibe the number of moles in phase i (unit: moles) Let VM,Lbe the molar volume of liquid water (unit: m3/mol) Consider Vapour Phase, ...
Additionally, changes in pressure can be accounted for by using the ideal gas law, PV = nRT, where n is the number of moles, R is the gas constant, and T is the temperature in Kelvin. Are there any limitations to using q, w, H, and U in a practical setting?
Once the researcher had obtained this information, the researcher was then able to apply the following formula to work out the primer concentration in moles/liter [1]. Concentration in moles/liter (C) = (dilution factor × A260) ÷ (sum of exti...
2, detonation velocities by the equationD=Aφ1/2(1+Bρ0), A=1.01, B=1.30.Nis the number of moles of gaseous detonation products per gram of explosive,Mis the average weight of these gases,Qis the chemical energy of the detonation reaction(ΔH0per gram), andρ0is the initial density...