Homework Answers
In the above reaction delta H value is given as negative. For all exothermic reactions delta H value usually represented by a negative sign. So the above given reaction is an exothermic reaction which means that heat is released during the reaction. The last option will be correct the reaction is exothermic
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QUESTION 7 AH® - -560 kJ Look at this reaction: 2H2(g) + O2(9) --> 2H20(1 Which...
NEED ANSWERS ASAP PLZ QUESTION 4 AH° = -560 kJ Look at this reaction: 2H2(g) +...
NEED ANSWERS ASAP PLZ
QUESTION 4 AH° = -560 kJ Look at this reaction: 2H2(g) + O2(g) --> 2H20(1) Which one of the following statements is true? O Heat is absorbed during the reaction O The reaction is endothermic O The enthalpy change is positive O This reaction is exothermic QUESTION 3 If AH = 25 J for a certain process, that process O releases heat O is exothermic. O is endothermic. O can't tell
2 pts Question 14 Consider the reaction 2H2(g) + O2(g) → 2H2O(l) AH = -286 kJ...
2 pts Question 14 Consider the reaction 2H2(g) + O2(g) → 2H2O(l) AH = -286 kJ Which of the following is true? The reaction is exothermic The reaction is endothermic The reaction is neutral with respect to energy change Heat is absorbed by the system Information is not enough to tell about the energy change
Part C Given the following reactions 2H2 (9) + O2(g) → 2H20 (9) AH = -...
Part C Given the following reactions 2H2 (9) + O2(g) → 2H20 (9) AH = - 483.64 kJ 2H20 (1) ► 2H2(g) + O2 (9) AH = 571.66 kJ Calculate the enthalpy for the condensation of water vapor to liquid, given by this reaction: H2O(g) + H20 (1) +44.01 kJ +88.02 kJ 0 -44.01 kJ -88.02 kJ Submit Request Answer
6) Given the following reactions H20 (1) H20 (8) AH = 44.01 kJ AH = -483.64 kJ 2H2 (8) + O2(g) +2H20 (g) the enthal...
6) Given the following reactions H20 (1) H20 (8) AH = 44.01 kJ AH = -483.64 kJ 2H2 (8) + O2(g) +2H20 (g) the enthalpy for the decomposition of liquid water into gaseous hydrogen and oxygen 2H20 (1) +2H2 (g) + O2(g) _kJ.
Consider the reaction: H2(g) + (1/2)O2(g) -------> H2O(l) ΔH° = -286 kJ Which of the following...
Consider the reaction: H2(g) + (1/2)O2(g) -------> H2O(l) ΔH° = -286 kJ Which of the following is true? (Select all that apply) the reaction is endothermic heat is given off by the surroundings the reaction is exothermic heat is absorbed by the system the enthalpy of the products is less than the that of the reactants
A chemist measures the energy change an during the following reaction: CH (9)+20,(9) - CO2(9)+2H20(1) AH=...
A chemist measures the energy change an during the following reaction: CH (9)+20,(9) - CO2(9)+2H20(1) AH= -882. kJ Use the information to answer the following questions. endothermic exothermic. Yes, absorbed. Yes, released No. х 5 This reaction is... Suppose 40.0 g of CH 4 react. Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. ? Round your...
A chemist measures the energy change AH during the following reaction: CH (9)+202(9) — CO2(9)+2H20(1) AH=-882....
A chemist measures the energy change AH during the following reaction: CH (9)+202(9) — CO2(9)+2H20(1) AH=-882. kJ Use the information to answer the following questions. This reaction is... Suppose 68.4 g of CH4 react. endothermic. exothermic. Yes, absorbed. Yes, released. No. * 5 ? Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. IN Be sure your...
Please explain Data: C(graphite) + O2(g) => CO2(g) AH = -393.5 kJ H2(g) + 1/2O2(g) =>...
Please explain
Data: C(graphite) + O2(g) => CO2(g) AH = -393.5 kJ H2(g) + 1/2O2(g) => H2O(1) AH = -285.8 kJ CH3OH(1) + 3/202(9) A CO2(g) + 2H20(1) AH = -726.4 kJ Using the data above, calculate the enthalpy change for the reaction below. Reaction: C(graphite) + 2H2(g) + 1/2O2(g) => CH3OH(1) A. +238.7 kJ B.-238.7 kJ C. +548.3 kJ D.-548.3 kJ E. +904.5 kJ
A chemist measures the energy change AH during the following reaction: 2 NO2(g) N204(9) AH=-55,3 kJ...
A chemist measures the energy change AH during the following reaction: 2 NO2(g) N204(9) AH=-55,3 kJ Use the information to answer the following questions. This reaction is... Suppose 36.3 g of NO, react. endothermic. exothermic Yes, absorbed. Yes, released No. х Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round your answer to 3 significant digits.
A chemist measures the energy change AH during the following reaction: 2 Fe,O3(s) — 4 FeO(s)+0...
A chemist measures the energy change AH during the following reaction: 2 Fe,O3(s) — 4 FeO(s)+0 (9) AH= 560. kJ Use the information to answer the following questions. This reaction is... Suppose 73.4 g of Fe, O2 react. endothermic. exothermic. Yes, absorbed. Yes, released. No. Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round your answer...
NEED ANSWERS ASAP PLZ
QUESTION 4 AH° = -560 kJ Look at this reaction: 2H2(g) + O2(g) --> 2H20(1) Which one of the following statements is true? O Heat is absorbed during the reaction O The reaction is endothermic O The enthalpy change is positive O This reaction is exothermic QUESTION 3 If AH = 25 J for a certain process, that process O releases heat O is exothermic. O is endothermic. O can't tell
2 pts Question 14 Consider the reaction 2H2(g) + O2(g) → 2H2O(l) AH = -286 kJ Which of the following is true? The reaction is exothermic The reaction is endothermic The reaction is neutral with respect to energy change Heat is absorbed by the system Information is not enough to tell about the energy change
Part C Given the following reactions 2H2 (9) + O2(g) → 2H20 (9) AH = - 483.64 kJ 2H20 (1) ► 2H2(g) + O2 (9) AH = 571.66 kJ Calculate the enthalpy for the condensation of water vapor to liquid, given by this reaction: H2O(g) + H20 (1) +44.01 kJ +88.02 kJ 0 -44.01 kJ -88.02 kJ Submit Request Answer
6) Given the following reactions H20 (1) H20 (8) AH = 44.01 kJ AH = -483.64 kJ 2H2 (8) + O2(g) +2H20 (g) the enthalpy for the decomposition of liquid water into gaseous hydrogen and oxygen 2H20 (1) +2H2 (g) + O2(g) _kJ.
A chemist measures the energy change an during the following reaction: CH (9)+20,(9) - CO2(9)+2H20(1) AH= -882. kJ Use the information to answer the following questions. endothermic exothermic. Yes, absorbed. Yes, released No. х 5 This reaction is... Suppose 40.0 g of CH 4 react. Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. ? Round your...
A chemist measures the energy change AH during the following reaction: CH (9)+202(9) — CO2(9)+2H20(1) AH=-882. kJ Use the information to answer the following questions. This reaction is... Suppose 68.4 g of CH4 react. endothermic. exothermic. Yes, absorbed. Yes, released. No. * 5 ? Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. IN Be sure your...
Please explain
Data: C(graphite) + O2(g) => CO2(g) AH = -393.5 kJ H2(g) + 1/2O2(g) => H2O(1) AH = -285.8 kJ CH3OH(1) + 3/202(9) A CO2(g) + 2H20(1) AH = -726.4 kJ Using the data above, calculate the enthalpy change for the reaction below. Reaction: C(graphite) + 2H2(g) + 1/2O2(g) => CH3OH(1) A. +238.7 kJ B.-238.7 kJ C. +548.3 kJ D.-548.3 kJ E. +904.5 kJ
A chemist measures the energy change AH during the following reaction: 2 NO2(g) N204(9) AH=-55,3 kJ Use the information to answer the following questions. This reaction is... Suppose 36.3 g of NO, react. endothermic. exothermic Yes, absorbed. Yes, released No. х Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round your answer to 3 significant digits.
A chemist measures the energy change AH during the following reaction: 2 Fe,O3(s) — 4 FeO(s)+0 (9) AH= 560. kJ Use the information to answer the following questions. This reaction is... Suppose 73.4 g of Fe, O2 react. endothermic. exothermic. Yes, absorbed. Yes, released. No. Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round your answer...
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