course hero if 45.0 g of ch4 reacts completely, how much heat s released?

What is the thermochemical equation for the combustion of methane?

If 45.0 g of CH4 reacts completely, how much heat s released? A. negative 802 k J. B. 802 kJ. C. 225 kJ. D. 2.25 x 103 kJ. Expert Answer. Who are the experts? Experts are tested by Chegg as specialists in their subject area. We review their content and use your feedback to …

What is the enthalpy change of combustion?

Jan 18, 2015 · The answer is 116 kJ. You need to go through two stages in order to find the total heat required to completely boil 45.0 g of water. First, you must provide enough heat to get the water to 100∘C. This is calculated by using. q1 = m⋅ c ⋅ ΔT, where. c - water's specific heat - …

What is the total heat required to boil 45g of water?

CH4(g) + 2 02(g) + CO2(g) + 2 H2O(g) AH° = -802 kJ If 45.0 g of CH4 reacts completely, how much heat s released? A. -802 kJ B. 802 kJ C. 225 kJ D.2.25 x 103 kJ Question : QUESTION 11 Consider the combustion reaction of methane shown below.

What is the specific heat of water in JG?

Jul 14, 2020 · When 10.00 moles of H2(g) reacts with 5.000 mol of O2(g) to form 10.00 mol of H2O(l) at 25°C and a constant pressure of 1.00 atm. If 683.0 kJ of heat are released during this reaction, and PΔV is equal to - 37.00 kJ, then ΔE° = X and ΔH° = X ΔH° = - 683.0 kJ and ΔE° = - …

Chemistry

Consider the following reaction: 2Na + Cl2  2NaCl ΔH = -821.8 kJ (a) Is the reaction exothermic or endothermic? (b) Calculate the amount of heat transferred when 5.6 g of Na reacts at constant pressure. (c) How many grams of

chemistry

Consider the reaction, C2H4 (g) + H2 (g)- C2H6 (g) where -137kJ of heat is released. How many kilojoules are released when 55.3g of C2H4 reacts?

chem 101

How many kilojoules of heat are needed to completely vaporize 42.8 g of C4H10O at its boiling point? Given Hvap=26.5kj/mol

EPCC

how to calculate the heat (kJ) released to thesurroundings when a 23.0 g of HCL if formed, from a CH4 + Cl2=CHCl3+3HCL

CHEM

Consider the reaction, 3 NO2 (g) + H2O (l) ® 2 HNO3 (aq) + NO (g), where DH = – 137 kJ. How many kilojoules are released when 92.3 g of NO2 reacts?

Chemistry Enthalpy of a Reaction

How many kJ of heat are released when 15.75 g of Ba reacts completely with oxygen to form BaO? The enthalpy for the reaction below is -1107 kJ. 2Ba (s) +O2 (g) --> 2BaO (s) Group of answer choices 20.8 63.5 114 70.3 127