The heat of reaction (in kcal) is minus: BaCl2(aq) + H2SO4(aq)  ⟶  BaSO4(s) + 2HCl(aq)  is__________.

The  ΔfH∘  of  BaSO4(s), Ba2+(aq)  and  SO42−(aq)  are  −350.6, −128.3  and  −216.3kcal . The heat of reaction (in kcal) is minus:

Calculate the heat of reaction ΔH for the following reaction:CCl4(g)+  H2(g)→CHCl3(g)+  HCl(g)You can find a table of bond energies by using the Data button on the ALEKS toolbar.Round your answer to the nearest /kJmol

ΔH for the following reaction is -431 kJ. How much heat is released when 200 g of Ba(s) are reacted with an excess of H2O(l)? The molar mass of Barium is 137.3 g/mol. Ba(s) + 2 H2O(l) –> Ba(OH)2(aq) + H2(g) Group of answer choices191 kJ491 kJ391 kJ628 kJ

For the reaction below at standard conditions, what would be K?2Ag+(aq) + Cd(s) → Cd2+(aq) + 2Ag(s) ;     E°cell = 1.20 V3.9 × 10402.0 × 10202.4 × 10441.6 × 1022

Calculate the heat of the following reaction:2C2H2 + 5O2 → 4CO2 + 2H2OGiven the following heats of formation:C2H2                    ΔH°f= 226.7 kJ/molO2                       ΔH°f= 0.0 kJ/molCO2                    ΔH°f= -393.5 kJ/molH2O                    ΔH°f= -241.8 kJ/molGroup of answer choices-2284.3 kJ/mol-2511 kJ/mol408.6 kJ/mol0.0 kJ/mol