Homework Answers
Add Answer to:
URGENTT!!!
Question 3: The formation reaction of 1 mole of liquid water is given below: H2(g)...
Given the following heat of formation values, calculate the heat of reaction for the following: C3H8(g)...
Given the following heat of formation values, calculate the heat of reaction for the following: C3H8(g) + O2(g) CO2(g) + H2O(1). AfH values in kJ/mol: C3H8(g): -103.8, O2(g): 0, CO2(g): -393.5, H2O(l): -285.8. 3.613 x 102 kJ/mol -2.220 103 kJ/mol 1.413* 102 kJ/mol -5.755 x 102 kJ/mol If a lighter contains 4.0 mL of liquid butane (density of butane = 0.8 g/cm3), how much heat can we get out of it, from the combustion of butane? 2 C4H 10(g) +...
4. The standard enthalpy of formation of NH3 (g) is -46.11 kJ mol-' at 298 K....
4. The standard enthalpy of formation of NH3 (g) is -46.11 kJ mol-' at 298 K. Given the heat capacity data below and the data in Problem 2, calculate the standard enthalpy of formation at 1200 K Cp.m (H2 (9))/ J mol K-1 = 29.1 - (0.84 x 10- K-)T Cpm (N2 (g))/ J mol K-1 = 26.98 +(5.9 x 10-'K-!)T
Which of the following is not a formation reaction? 1/2H2(g) + 1/2 Brale) > HBr(g) H2(g)...
Which of the following is not a formation reaction? 1/2H2(g) + 1/2 Brale) > HBr(g) H2(g) + 1/2O2(g) → H20(4) Ca(s) + 1/2O2(g) → Cao(s) • 4Al(s) + 3/202(g) → Al2O3(s) H2O(l) +SO3(l) → H2SO4()
Which of the following statements is false concerning the reaction of hydrogen gas and oxygen gas given below? H2(g)+1...
Which of the following statements is false concerning the reaction
of hydrogen gas and oxygen gas given below?
H2(g)+1/2O2(g)>H2O
Which of the following statements is false concerning the reaction of hydrogen gas and oxygen gas given below? H2(g) +029) - H20(1; AH = -285.8 kJ Select one: a. For the reaction H2(g) + O2(g) - H2O(g), AH is not equal to -285 b. If the equation is reversed, AH becomes +285.8 kJ. If the equation is multiplied by 2, AH...
Given the information below, calculate ∆?∘?,298.15? and ∆?∘?,400? for the following reaction: ??(?) + 2???(?) →...
Given the information below,
calculate ∆?∘?,298.15? and ∆?∘?,400? for the following
reaction:
??(?) + 2???(?) → ?2(?) + ????2(?)
Assume that heat capacities are constant over the desired
temperature range. All molar enthalpies of formation are at
298.15K.
∆?∘ Mg(g) ? = 147.1 kJ/mol
∆?∘ HCl(g) ? = -92.3 kJ/mol
∆?∘ H2(g) ? = 0 kJ/mol
∆?∘ MgCl2(s) = -641.3 kJ/mol
Cp,m Mg(g) = 20.8 J mol-1 K-1
Cp,m HCl(g) = 29.1 J mol-1 K-1
Cp,m H2(g) = 28.8 J...
Part 1) Use the following equations to calculate the heat of the reaction for the formation...
Part 1) Use the following equations to calculate the heat of the reaction for the formation of ethane (C2H6). C2H6(g) + 7/2 O2(g) → 2CO2(g) + 3 H2O(l) ∆ Ho = -1560 kJ C(gr) + O2(g) → CO2(g) ∆ Ho = -394 kJ H2(g) + 1/2 O2(g) → H2O(l) ∆ Ho = -286 kJ Calculate ∆Ho for the following reaction: 2 C(gr) + 3H2(g) → C2H6(g) ethane Use kJ for your answer. ΔHo = Part 2) Find the heat of...
The reaction for the formation of ammonia is shown as: N2(g) + 3 H2(g) ⇄ 2...
The reaction for the formation of ammonia is shown as: N2(g) + 3 H2(g) ⇄ 2 NH3(g) Kc=? Write the equilibrium constant expression (Kc) for this reaction. Calculate the value of Kc at 500. K for the formation of ammonia in part a) using the following measured concentrations for the equilibrium mixture: [N2] = 3.0 x 10-‐2 M; [H2] = 3.7 x 10-‐2 M; [NH3] = 1.6 x 10-‐2 M. [1.7 x 102] Now, calculate the value of Kc for the formation of...
1. How much heat is required at constant pressure to melt 1 mole of ice at...
1. How much heat is required at constant pressure to melt 1 mole of ice at -25 C to steam at 125° C? boiling point 100c melting point 0.000'C specific heat capacities are gas(steam) 2.08, liquid 4.184 solid (ice) 2.11. All in units of JigC AH(100°C) 40.7 kJ/mol AHu (0.000°C)-6.01 kJ/mol 2. Calculate AHrxn for the reaction: CH4(g)4 Cl2(g) -CC4(g) 4 HCl (g) + Use the following reactions and given AH's: CH4(g) AH =-74.6 kJ 2 H2(g) C(s) C(s)2 Cl2(g)...
Physical Chemistry Calculate the change in entropy when one mole of metallic aluminum is heated at...
Physical Chemistry
Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure from an initial temperature of 25 °C to a final temperature of 750 °C. The molar heat capacities of solid and liquid aluminum at one bar pressure are 29.2 J mol K1 and 31.75 J mol K, respectively. The specific enthalpy of fusion of aluminum at its melting point (660.46 °C) is 396.57 J g1. The molar mass of aluminum is...
Ti(a) transforms toTi(3) at 882°C (1155 K), with a heat of transforma- tion equal to 830...
Ti(a) transforms toTi(3) at 882°C (1155 K), with a
heat of transforma-
tion equal to 830 cal/mole (3,473 J/mol). Calculate the heat of
reaction
when Ti(3) is oxidized by pure oxygen gas to form TiO^ at 1400°C
(1673 K).
1.16 Ti(a) transforms to Ti(B) at 882°C (1155 K), with a heat of transforma- tion equal to 830 cal/mole (3,473 J/mol). Calculate the heat of reaction when Ti(B) is oxidized by pure oxygen gas to form T10, at 1400°C (1673 K)....
Given the following heat of formation values, calculate the heat of reaction for the following: C3H8(g) + O2(g) CO2(g) + H2O(1). AfH values in kJ/mol: C3H8(g): -103.8, O2(g): 0, CO2(g): -393.5, H2O(l): -285.8. 3.613 x 102 kJ/mol -2.220 103 kJ/mol 1.413* 102 kJ/mol -5.755 x 102 kJ/mol If a lighter contains 4.0 mL of liquid butane (density of butane = 0.8 g/cm3), how much heat can we get out of it, from the combustion of butane? 2 C4H 10(g) +...
4. The standard enthalpy of formation of NH3 (g) is -46.11 kJ mol-' at 298 K. Given the heat capacity data below and the data in Problem 2, calculate the standard enthalpy of formation at 1200 K Cp.m (H2 (9))/ J mol K-1 = 29.1 - (0.84 x 10- K-)T Cpm (N2 (g))/ J mol K-1 = 26.98 +(5.9 x 10-'K-!)T
Which of the following is not a formation reaction? 1/2H2(g) + 1/2 Brale) > HBr(g) H2(g) + 1/2O2(g) → H20(4) Ca(s) + 1/2O2(g) → Cao(s) • 4Al(s) + 3/202(g) → Al2O3(s) H2O(l) +SO3(l) → H2SO4()
Which of the following statements is false concerning the reaction
of hydrogen gas and oxygen gas given below?
H2(g)+1/2O2(g)>H2O
Which of the following statements is false concerning the reaction of hydrogen gas and oxygen gas given below? H2(g) +029) - H20(1; AH = -285.8 kJ Select one: a. For the reaction H2(g) + O2(g) - H2O(g), AH is not equal to -285 b. If the equation is reversed, AH becomes +285.8 kJ. If the equation is multiplied by 2, AH...
Given the information below,
calculate ∆?∘?,298.15? and ∆?∘?,400? for the following
reaction:
??(?) + 2???(?) → ?2(?) + ????2(?)
Assume that heat capacities are constant over the desired
temperature range. All molar enthalpies of formation are at
298.15K.
∆?∘ Mg(g) ? = 147.1 kJ/mol
∆?∘ HCl(g) ? = -92.3 kJ/mol
∆?∘ H2(g) ? = 0 kJ/mol
∆?∘ MgCl2(s) = -641.3 kJ/mol
Cp,m Mg(g) = 20.8 J mol-1 K-1
Cp,m HCl(g) = 29.1 J mol-1 K-1
Cp,m H2(g) = 28.8 J...
1. How much heat is required at constant pressure to melt 1 mole of ice at -25 C to steam at 125° C? boiling point 100c melting point 0.000'C specific heat capacities are gas(steam) 2.08, liquid 4.184 solid (ice) 2.11. All in units of JigC AH(100°C) 40.7 kJ/mol AHu (0.000°C)-6.01 kJ/mol 2. Calculate AHrxn for the reaction: CH4(g)4 Cl2(g) -CC4(g) 4 HCl (g) + Use the following reactions and given AH's: CH4(g) AH =-74.6 kJ 2 H2(g) C(s) C(s)2 Cl2(g)...
Physical Chemistry
Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure from an initial temperature of 25 °C to a final temperature of 750 °C. The molar heat capacities of solid and liquid aluminum at one bar pressure are 29.2 J mol K1 and 31.75 J mol K, respectively. The specific enthalpy of fusion of aluminum at its melting point (660.46 °C) is 396.57 J g1. The molar mass of aluminum is...
Ti(a) transforms toTi(3) at 882°C (1155 K), with a
heat of transforma-
tion equal to 830 cal/mole (3,473 J/mol). Calculate the heat of
reaction
when Ti(3) is oxidized by pure oxygen gas to form TiO^ at 1400°C
(1673 K).
1.16 Ti(a) transforms to Ti(B) at 882°C (1155 K), with a heat of transforma- tion equal to 830 cal/mole (3,473 J/mol). Calculate the heat of reaction when Ti(B) is oxidized by pure oxygen gas to form T10, at 1400°C (1673 K)....
Most questions answered within 3 hours.
-
An short-seller in Tesla is worried the latest management
earnings forecast is too aggressive and the...
asked 36 minutes ago -
Question 3 (1 point)
Fill in the blank. Speed Car Rental company found that the tire...
asked 36 minutes ago -
1. A copper wire is 26.61 cm long and weighs 1.265 g. The
density of copper...
asked 14 minutes ago -
Remember that a concept sketch consists of a sketch (or
series of sketches), labels, and complete...
asked 16 minutes ago -
on a newly discovered planet, the period of a pendulum with a
length of 2 m...
asked 18 minutes ago -
Why [M(CN)6] is not organometallic even it has metal
to carbon bond too
asked 24 minutes ago -
mstar electric has a bond issue outstanding that has a 20 year
life, a $1,000 par...
asked 32 minutes ago -
This is a Business Writing Question:
Common Types of Faulty Sentence Logic:
A. Mixed constructions
B....
asked 33 minutes ago -
Skinner asserts that science, and the common view of science, has
been tarnished. Explain his evidence...
asked 35 minutes ago -
A grocery store's receipts show that Sunday customer purchases
have a skewed distribution with a mean...
asked 42 minutes ago -
A 0.035 mol sample of a weak acid, HA, is dissolved in 437 mL of
water...
asked 53 minutes ago -
a sample of Ar gas has a volume of 6.30 L with an unknown
pressure. the...
asked 54 minutes ago