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Curve 3 best represents which species?
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Ne at 600 K |
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Ne at 450 K |
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Ar at 600 K |
Which curve best represents Ar at 600K and 300K
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- If qrxn =-2000 J, the equation has 1:1 mole ratio, and their are 0.00125 moles of limiting reagent. What is deltaH, when deltaH = q/n?Quick handwritten Consider the equilibrium reaction H2O H2 + 0.5 O2, at 1 atm and 298K. The mass fractions of H2O. H2 and O2 are respectively 0.9, 0.03 and 0.07. Determine the Gibbs free energy for H2O at latm 298K.Choices: -GREATER THAN parameter in column I is greater than that in column II -LESS THAN parameter in column I is less than that in column II, -EQUAL TO parameter in the column I is equal to that in column II -CANNOT BE DETERMINED
- 1. CaCO3(s) <--> CaO(s) + CO2(g) ΔH° = +178 kJ exo or endo - thermic remove mass(CaO) --> shift: __ (increase) P(CO2) shift? __ ... two ways to lose mass(CaCO3)? __________ higher T shift? __ 2. SO2(g) <--> (1/8)S8(s) + O2(g) ΔH° = +297 kJ exo or endo - thermic Δν(gas)= _, (increase)Vtot --> P(gas)_ > on _hs shift? __ (decrease)P(SO2) shift? __ ... two ways to make mass(S8)? ___________ lower T shift? __ 3. C(s) + 2H2(g) <--> CH4(g) ΔH° = –75 kJ exo or endo - thermic Δν(gas) = _, (decrease)Vtot -->P(gas)_ > on _hs shift? __ (increase)P(CH4) shift? __ ...two ways to to lose mass(C)? ___________ higher T shift? __Hydrogen peroxide has several advantages and disadvantages as a potential chemicalfor pharmaceutical industry and cosmetic industry. 2 H2O2 (g) ⇌ 2H2O (g) + O2 (g) K eq = 7.3 X 10 -5 If 0.5mol of H2O2 (g) was placed in a 2.0L flask, what is the equilibrium concentration ofwater vapour, oxygen and hydrogen peroxide at 800oC? If you make any assumption,you need to check it for validity.I cannot see how that is happening. Need mechanism
- Determine AGrxn for 2 A(g) + B₂(g) → 2 AB(g) A. -400 kJ B. -250 kJ C. -200 kJ D. -100 kJ E. -50 kJ Compound(state) AG (kJ/mol) A(g) B₂(g) AB(g) 0 -100 -150In Heat of solution from Solubility experiment: the slope of plot of Ln Sversus 1/T (K) = - 534 and the intercept = 2.964, calculate the solubility SHow does the heat or enthalpy of the reaction (ΔHrxn) change when the concentration of a Strong acid (HCl) is increasing and the concentration of strong base (NaOH) is kept constant in a solution mixture? plz answer showing the steps to solve quantatiavely using hess's law. ive also attached images of my lab data for reference