Consider the following chemical equation: 2A+B+C AH = 131 J Part A What is AHxn for the reaction: 2C + 4A + 2B E...

Question

Question

Answer 1

Answer #1

This reaction = -2*given reaction

So,

ΔHA = -2*ΔHrxn

= -2*(131 J)

= -262 J

Answer: -262 J

Answer 2

Similar Homework Help Questions

Part A AH = 127 kJ , AS. = – 253 J/K, T =301 K. Express...

Part A AH = 127 kJ , AS. = – 253 J/K, T =301 K. Express your answer using three significant figures. IVO AO R O ? AS univ= J/K Submit Request Answer Part B AH..= -127 kJ AS. = 253 J/K T=301 K Express your answer using three significant figures. VALD O ?
Part A Calculate the standard enthalpy change for the reaction 2A+B=2C + 2D Use the following...

Part A Calculate the standard enthalpy change for the reaction 2A+B=2C + 2D Use the following data: Γ ΔΗ; Substance (kJ/mol) -231 -421 225 -491 Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) TuAE ? AH..= Value Units Submit Part B Complete previous part(s) Provide Feedback Pearson
Part A Use standard enthalpies of formation to calculate AH, for the following reaction: CH,OH(1) +...

Part A Use standard enthalpies of formation to calculate AH, for the following reaction: CH,OH(1) + 302(g) 2002(g) + 3 Express your answer using four significant figures. IVO ALOO ? AH...= Submit Request Answer Part B Use standard enthalpies of formation to calculate AH.for the following reaction CH,(g) + 202(g) –CO2(g) + 2H2C Express your answer using three significant figures. GOAL Oa? AH...= Submit Request Answer

Part AH X = 90 kJ , ASrxn = – 149 J/K , T = 293...

Part AH X = 90 kJ , ASrxn = – 149 J/K , T = 293 K Express your answer using three significant figures. 10 AJO O O ? AG = Submit Request Answer Part D AHX = - 90 kJ, A Srxn = 149 J/K, T = 401 K Express your answer using three significant figures. IVO AQ R o o ?
do part b Calculate the standard enthalpy change for the reaction 2A+B=2C+2D Use the following data...

do part b Calculate the standard enthalpy change for the reaction 2A+B=2C+2D Use the following data Substance ΔΗ: (kJ/mol) А -227 B -419 с 195 D -525 Express your answer to three significant figures and include the appropriate units. View Available Hint(s) AH x = 213 kJ Previous Answers ✓ Correct Part B For the reaction given in Part A how much heat is absorbed when 3.20 mol of A reacts? Express your answer to three significant figures and include...
Part A Calculate AHxn for the following reaction: Cao(s) + CO2(g) +CaCO3(s) Use the following reactions...

Part A Calculate AHxn for the following reaction: Cao(s) + CO2(g) +CaCO3(s) Use the following reactions and given AH values: Ca(s) + CO2(g) + O2(g) +CaCO3(s), AH =-812.8 kJ 2Ca(s) + O2(g)+2CaO(s), AH = -1269.8 kJ Express your answer using four significant figures. V AE ? AH, = Submit Request Answer

Part A AH.. = 90 kJ.AS. - 149 J/K T - 310 K Express your answer...

Part A AH.. = 90 kJ.AS. - 149 J/K T - 310 K Express your answer using two significant figures. V AED 0 J/K A Suniv- Submit Reguest Answer Part B AH - 90 kJ AS... = 149 J/K T = 756 K Express your answer using one significant figure. VAX J/K Submit Part C AH.. = 90 kJ.A.S. - - 149 J/K T = 310 K Express your answer using two significant figures. AED 0 AS- TU Submit Resest...
PART A. Calculate the standard enthalpy change for the reaction 2A+B⇌2C+2D Use the following data: Substance...

PART A. Calculate the standard enthalpy change for the reaction 2A+B⇌2C+2D Use the following data: Substance ΔH∘fΔHf∘ (kJ/mol)kJ/mol) AA -273 BB -417 CC 223 DD -475 =459kJ PART B. Express your answer to three significant figures and include the appropriate units. For the reaction given in Part A, how much heat is absorbed when 3.80 mol of A reacts? Express your answer to three significant figures and include the appropriate units.
essure Units Part C 16.9 psi Express your answer using three significant figures. IVO AEO o...

essure Units Part C 16.9 psi Express your answer using three significant figures. IVO AEO o ? P = atm Submit Request Answer Part D 882 torr Express your answer using three significant figures. 9 AZO

Part A Use standard enthalpies of formation to calculate A n for the following reaction: 2H,...

Part A Use standard enthalpies of formation to calculate A n for the following reaction: 2H, S(g) + 302 (g)+2H, O(1) + 2S02 () Express your answer using four significant figures. YO ALQ * R O 2 ? AH,n= Submit Request Answer Part B Use standard enthalpies of formation to calculate AHan for the following reaction: SO2(g) + O2(g)SO3(g) Express your answer using three significant figures. 90 ALM + A o ai ? ΔΗΣΗ Submit Request Answer Part C Use...