How do I count sigma and pi bonds and how do you determine the hybridization of certain atoms? How many calories will it take to melt 75 grams of ice? How do I calculate the standard reduction potential of 2 MnO2(s) + 2 NH4+(aq) + 2 e- -Mn2O3(s) + 2 NH3(g) + H2O(l) ...
How to calculate enthalpy of vaporization? How do you calculate the enthalpy of steam? What is enthalpy a measure of? Determine the change in enthalpy for each reaction. Then, using Hess's Law, determine the net change in enthalpy. 3A+3B=6C 2C=A+B 4C=2A+2B ...
My attempted answer is below: I'm struggling to find the mass. Is the mass 50.0mL + 25.0mL = 75.0mL solution It says to assume 1mL solution = 1g solution Is this referring to the solution or just the water? If it is referring to the solution, would the mass be 75.0g? q(soln)=...
One of the difficulties associated with this measurement includes the enthalpy effects because of the irreversible structural changes at 700–800°C. - Adiabatic low temperature calorimetry. This is performed on the anhydrous and hydrated compounds to determine the third law of entropy for the ...
Several methods to reliably determine equilibrium vacancy concentrations in metals are discussed, namely: (1) Observations of the relaxation in specific heat caused by the vacancy equilibration. (2) Determinations of the high-temperature enthalpy of metals under various heating rates. (3) Observations ...
An endothermic reaction is when energy is absorbed. An exothermic reaction releases energy. At times, it is difficult to remember the difference. Answer and Explanation:1 The prefixes of the words help one to remember which is which. Thermionic is related to heat, like thermal underwear.You als...
Enthalpy is determined by converting the return and supply wet-bulb measurements using the enthalpy chart provided here or at the beginning of this document. Use the Commissioning Worksheet to determine the capacity of the system. Wireless Probes Digital Gauges Smart Systems Anemometers Vacuum ...
How to determine the rate of decay? How many years would it take for an isotope to be completely non-reactive if the isotope had a half life of 200 years? How would you figure this problem when you are not given a starting amount of sub ...
What property of enthalpy provides the basis of Hess's law? Explain. Use the chemical equation and Hess's law to determine the heat of formation and if this reaction is exothermic or endothermic. C(s) + 2H_2O(g) \rightarrow CO_2(g) + 2H_2(g)\ Delta H = ?\...
Given: SO2 + 1/2 O2 rightarrow SO3 Discuss how to find the enthalpy of the reaction. Explain the relationship between the rate of the forward reaction and the rate of the reverse reaction at chemical equilibrium, and determine and explain if the following reaction will change un...