Example How much heat is evolved when 266 g of white phosphorus (P4) burn in air?...

Question

Question

Answer 1

Answer #1

123 896 ニ 2-15 X (-3013) 二 -6468.8 K丁 means heat % evslued

Answer 2

Similar Homework Help Questions

Enter your answer in the provided box. Calculate the heat (in kJ) associated with 266 g...

Enter your answer in the provided box. Calculate the heat (in kJ) associated with 266 g of white phosphorus burning in air according to the equation P4() + 502(g) → P4010(5) AH = -3013 kJ / mol
How much heat must be added to 26.3 g of solid white phosphorus, P4, at 14.4°C...

How much heat must be added to 26.3 g of solid white phosphorus, P4, at 14.4°C to give the liquid at its melting point, 44.1°C? The heat capacity of solid white phosphorus is 95.4 J/(K∙mol); its heat of fusion is 2.63 kJ/mol. Heat = ____ J
How much heat (J) is evolved when 450 g of Fe,O3 is reacted with excess carbon...

How much heat (J) is evolved when 450 g of Fe,O3 is reacted with excess carbon monoxide using the equation below? Fe2O3(s) + 3C09) - 2 Fe(s) 3 CO2(g) AH -248 kJ/mol.

. Use the equation below to calculate how much heat (in kJ) is evolved when 5.0...

. Use the equation below to calculate how much heat (in kJ) is evolved when 5.0 g of aluminium reacts with a stoichiometric amount of Fe2O3? 2 Al (s) + Fe2O3 (s) —>2 Fe (s) + Al2O3 (s) AH° = -852 kJ Determine the AHPrxn for the following reaction. {AH® (NH3) = -45.9 kJ/mol; AH°(O2) = 0; AH® (NO) = +91.3 kJ/mol; AH° (H2O) = -241.8 kJ/mol; 4 NH3 (g) + 5 O2 (g) — 4 NO (g) + 6...
Classwork: Ch. 6 Thermodynamics 1. A sample of nitrogen expands in volume from 1.6 L to...

Classwork: Ch. 6 Thermodynamics 1. A sample of nitrogen expands in volume from 1.6 L to 5.4 L at constant temperature. What is the work in joules if the gas expands (a) against a vacuum and (b) against a constant pressure of 3.7 atm? 2. How much heat is evolved (given off) when 266 g of white phosphorus (P) burn in air? P, (s) + 50,0) - P.O.(s) AH--3013 kJ/mol 3. Benzene (CH) burns in oxygen to produce carbon dioxide...
How much heat is evolved upon the complete oxidation of 9.41 g of aluminum at 25°C...

How much heat is evolved upon the complete oxidation of 9.41 g of aluminum at 25°C and 1 atm pressure? (AH° for Al2O3 is - 1676 kJ/mol.) 4Al(s) + 302(g) --> 2Al2O3(s) O 146 kJ O 1169 kJ O 292 kJ 0 585 kJ O 1.58 x 104 kJ

How much heat is evolved if 0.600 kg of SO2 is burned in excess oxygen? 2SO2(g)...

How much heat is evolved if 0.600 kg of SO2 is burned in excess oxygen? 2SO2(g) + O2(g) → 2803(g) AH°rxn=-198 kJ/mol O 3.71x 103 kJ O 5.46 x 10-2k) 0 1.85 x 103 kg O 927 kJ O 59,400 kJ
How much heat (in kilojoules) is evolved or absorbed in the reaction of 3.40 g of...

How much heat (in kilojoules) is evolved or absorbed in the reaction of 3.40 g of Fe2O3 with enough carbon monoxide to produce iron metal? Fe2O3(s) + 3CO(g) + 2Fe(s) + 3C02(g) AH° = -24.8kJ. IVO AQ o 2 ?
According to the following reaction, how much energy is evolved during the reaction of 32.5 g...

According to the following reaction, how much energy is evolved during the reaction of 32.5 g B2H6 and 72.5 g Cl2? The molar mass of B2H6 is 27.67 g/mol B2H6(g)6 Cl2(g)2 BCI3(g) +6 HCl(g) AHorxn-1396 kJ O 238 kJ O 1640 kJ O 429 kJ O 1430 kJ O 3070 kJ QUESTION 2 0.5 points Save Answer The value of AH° for the reaction below is -1107 kJ: 2Ва (s) + O2 (g) — 2ВаО (s) How many kJ of...

51. How much heat (in kJ) is evolved (under standard conditions) when 103.23 g of copper...

51. How much heat (in kJ) is evolved (under standard conditions) when 103.23 g of copper reacts to form copper(II) oxide?