3) As a hot air balloon is expanded, 1.45 x 185 kJ of heat is absorbed....
Study Question 5.3 balloon is heated very slowly, and absorbed 500 KJ of heat. It expanded against a constant pressure of the atmosphere (101.3 kPa) and expands by a volume of 3.46 L. Calculate the change in internal energy, AE.
Consider the reaction 2H2O(g) →2H2(g) + O2(g) ΔH = +483.60 kJ/mol at a certain temperature. If the increase in volume is 27.7 L against an external pressure of 1.00 atm, calculate ΔU for this reaction. (The conversion factor is 1 L· atm = 101.3 J.) _______kJ
Consider the reaction 2H2O(g) → 2H2(g) + O2(g) ΔH = +483.60 kJ/mol at a certain temperature. If the increase in volume is 42.7 L against an external pressure of 1.00 atm, calculate ΔU for this reaction. (The conversion factor is 1 L · atm = 101.3 J.) _______kJ
part a. The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 110 J of heat. As it expands, it does 79 kJ of work. What is the change in internal energy for the system? Express the energy in kilojoules to two significant figures. part b. When fuel is burned in a cylinder equipped with a piston, the volume expands from 0.235 L to 1.350 L against an external pressure of 1.02 atm...
Caculate the change in internal energy (delta e) for a system that is absorbing 35.8 kJ of heat and is expanding from 8.00 to 24.0 L in volume at 1.00 atm. (Remember that 101.3 J= 1 l*atm). I know that the answer is going to be a postive since energy is going to be absorbed...I just cannot figure out how to get the right answer. Please help. Thank you
1. Calculate the change in internal energy ΔΕ when 15.6 kJ of heat is added to the system and 1.4 kJ of work is done to the system. 2. How much work can a bicycle pump perform when the the cylinder compresses from 3L to 2.5 L as you apply a pressure of 1.1 atm? J. A hot air baloon expands from 4,00,000L to 4.00,000L by the addion of 130,000000 of eat energy Calculate the change in energy of the...
What is the change in internal energy when a balloon full of 2.150 g of air (specific heat capacity 1.00 J/ g K) expands from 25.85 L to 26.35 L against atmospheric pressure while the temperature changes from 25.00 C to 27.50 C?
A silver cube with an edge length of 2.25 cm and a gold cube with an edge length of 2.72 cm are both heated to 88.8C and placed in 101.5 mL of water at 19.6'C. What is the final temperature of the water when thermal equilibrium is reached? Substance gold silver water Specific heat (J/g.°C) 0.1256 0.2386 4.184 Density (g/cm) 19.3 10.5 1.00 Tonal 11 'C Using the standard enthalpies of formation, what is the standard enthalpy of reaction? CO(g)...
A) How much heat must be absorbed by a 23.0 g sample of water to raise its temperature from 30.0 ∘C to 50.0 ∘C? (For water, Cs=4.18J/g∘C.) Express your answer to three significant figures and include the appropriate units. ΔErxn = nothing kJ/mol B) anganese reacts with hydrochloric acid to produce manganese(II) chloride and hydrogen gas. Mn(s)+2HCl(aq) → MnCl2(aq)+H2(g) You may want to reference (Page 271) Section 6.7 while completing this problem. Part A When 0.635 g Mn is combined...
Can I have help with these questions based off the information provided? Information: The explosive picric acid is also known by the IUPAC name 2,4,6-Trinitrophenol. Picric acid is known as a primary explosive and the balanced equation for the explosion is 4 C6H3N3 O7 (aq) + 13 O2 (g) --> 6 H2O (g) + 6 N2 (g) + 24 CO2 (g) volume of gas produced by 1 g is 0.89 L Type bond broken # bond type Enthalpy (KJ/mol Total...