3. Balance the formula equations P(s) +F2(g) vPF5(s)O2(g) +SO2(g) vSO:(g)HC(g) +O2(g) vCl2(g) +H20(g)Fe;O4(s) +H2(g) vFe(s) +H20(g)heatPb(NO:2(s)Pb0(s) +NO2(g) +O2(g)CGH12O6(s) +O2(g) vCO2(g) +H2O(1)

In the balanced chemical reaction number of atoms of each element in product side is equal to number…

Answered: SO2(g) v SO:(g) O2(g) v Cl2(g) + H2O(g)…

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter10: Energy

Section: Chapter Questions

Problem 4ALQ

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In earlier times, ethyl ether was commonly used as an anesthetic. It is, however, highly flammable. When five milliliters of ethyl ether, C4H10O(l)(d=0.714g/mL), are burned in a bomb calorimeter, the temperature rises from 23.5C to 39.7C. The calorimeter contains 1.200 kg of water and has a heat capacity of 5.32 kJ/C. (a) What is qH2o? (b) What is qcal? (c) What is q for the combustion of 5.00 mL of ethyl ether? (d) What is q for the combustion of one mole of ethyl ether?
Fructose is a sugar commonly found in fruit. A sample of fructose, C6H12O6, weighing 4.50 g is burned in a bomb calorimeter that contains 1.00 L of water (d=1.00g/mL). The heat capacity of the calorimeter is 16.97 kJ/PC. The temperature of the calorimeter and water rise from 23.49C to 27.72C. (a) What is q for the calorimeter? (b) What is q for water in the calorimeter? (c) What is q when 4.50 g of fructose are burned in the calorimeter? (d) What is q for the combustion of one mole of fructose?
Equal masses of liquid A, initially at 100C, and liquid B, initially at 50C, are combined in an insulated container. The final temperature of the mixture is 80C. All the heat flow occurs between the two liquids. The two liquids do not react with each other. Is the specific heat of liquid A larger than, equal to, or smaller than the specific heat of liquid B?
Would the amount of heat absorbed by the dissolution in Example 5.6 appear greater, lesser, or remain the same if the heat capacity of the calorimeter were taken into account? Explain your answer.
Consider the combustion of propane: C3H8(g)+5O2(g)3CO2(g)+4H2O(l)H=2221KJ Assume that all the heat in Example 7-3 comes from the combustion of propane. What mass of propane must be burned to furnish this amount of energy assuming the heat transfer process is 60.% efficient?
Microwave ovens convert radiation to energy. A microwave oven uses radiation with a wavelength of 12.5 cm. Assuming that all the energy from the radiation is converted to heat without loss, how many moles of photons are required to raise the temperature of a cup of water (350.0 g, specific heat =4.18J/gC) from 23.0C to 99.0C?
A substance, X, has the following properties: Specific Heat Capacities Hvap 20.kj/mol C(s) 3.0j/gC Hfus 5.0kj/mol C(l) 2.5j/gC bp 75C C(g) 2.5j/gC mp 15C
Hydrogen peroxide, H2O2, is a colorless liquid whose solutions are used as a bleach and an antiseptic. H2O2 can be prepared in a process whose overall change is H2(g)+O2(g)H2O2(l) Calculate the enthalpy change using the following data: H2O2(l)H2O(l)+12O2(g);H=98.0kJ2H2(g)+O2(g)2H2O(l);H=571.6kJ
Nitrogen gas (2.75 L) is confined in a cylinder under constant atmospheric pressure (1.01 105 pascals). The volume of gas decreases to 2.10 L when 485 J of energy is transferred as heat to the surroundings. What is the change in internal energy of the gas?
A 250-g sample of water at 20.0C is placed in a freezer that is held at a constant temperature of 20.0C. Considering the water as the system, answer the following questions: a What is the sign of qsys for the water after it is placed in the freezer? b After a few hours, what will be the state of the water? c How will the initial enthalpy for the water compare with the final enthalpy of the water after it has spent several hours in the freezer? d What will the temperature of the water be after several hours in the freezer?
Principles of Heat Flow Titanium is a metal used in jet engines. Its specific heat is 0.523 J/g C. If S.SS g of titanium absorb 4.78 J, what is the change in temperature?
A sample of 0.562 g of carbon is burned in oxygen in a bomb calorimeter, producing carbon dioxide. Assume both the reactants and products are under standard state conditions, and that the heat released is directly proportional to the enthalpy of combustion of graphite. The temperature of the calorimeter increases from 26.74 C to 27.93 C. What is the heat capacity of the calorimeter and its contents?

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SO2(g) v SO:(g) O2(g) v Cl2(g) + H2O(g) -) + H2(g) v Fe(s) + H2O(g) heat s 2(S) PbO(s) + NO2(g) + O2(g) V D6(s) + O2(g) v CO-(g) + H20(1)