How much heat is absorbed when 2.5 moles of C(s) reacts in the presence of excess SO2(g) to produce CS2(l) and CO(g) according to the following chemical equation? 5 C(s) + 2 SO2(g) –> CS2(l) + 4 CO(g)   ΔH° = +239.9 kJ Group of answer choices96.0 kJ600.0 kJ2399 kJ120.0 kJ

When 42 g of C(s) reacts in the presence of excess SO2(g) to produce CS2(l) and CO(g) according to the following chemical equation, is the reaction endothermic or exothermic? 5 C(s) + 2 SO2(g) –> CS2(l) + 4 CO(g)   ΔH° = +239.9 kJGroup of answer choicesendothermicexothermic

YouCalculate the heat released when 74.6 grams of SO2 reacts according to the following equation?2SO2+O2-->2SO3 deltaH=-99.1 kJ

What type of chemical reaction is represented by the following equation: C(s) + O2(g) → CO2(g) accompanied by the release of heat?

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

A chemist measures the energy change ΔH during the following reaction:CH4(g)+2O2(g)→CO2(g)+2H2O(l) =ΔH−882.kJUse the information to answer the following question.Suppose 66.0g of CH4 react.Calculate how much heat will be released or absorbed.kJBe sure your answer has the correct number of significant digits.