A scuba diver dives into the ocean until the pressure is 2.5 atm, assuming their lungs still expand by 0.50 L how much work in Joules is done during the expansion? (1 L*atm = 101.3 J)

Q: A piston expands from 10 L to 20 L under an external pressure of 3 atm. what is the work in Joules?

A: The work done by a gas is given by  W = -PextΔV where ΔV = change in volume = final volume - initial…

Q: arriors arrives at a blacksmith to get new weapons 1.74 kg of iron at 1371 °C, which was cooled down…

A: Suppose, the final temperature of the iron longsword is t°C.  At equilibrium, both the iron and…

Q: 15 The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental…

A: Given reaction and information,    2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s) ΔH = –850. kJ

Q: A sample of gas is placed into an enclosed cylinder and fitted with a movable piston. Calculate the…

A: Work done by the gas is given by W = -P × ∆V W = - P × (V2 - V1) W = work done P = external pressure…

Q: Calculate the the energy, in joules, necessary to raise the temperature of a 0.02kg piece of…

A: The mass of the aluminium piece is = 0.02 kg An increase in the temperature of the aluminium piece…

Q: 5.94 Calculate the work done (in joules) when 1.0 moleof water is frozen at 0°C and 1.0 atm. The…

A: As, work done w = -P∆V; where P is pressure and ∆V is change in volume. Here, P = 1.0atm ∆V = 0.0196…

Q: A balloon is inflated from 0.0100L to 0.400 L against an external pressure of 10.00 atm how much…

A: From the given information, we can say that volume is increases from  0.0100 L to 0.400 L which…

Q: A fuel is burned in a cylinder equipped with a piston. The initial volume of the cylinder is 0.250…

A: Pressure-Volume (P-V) work is given below.

Q: A gas expands in volume from 26.7 to 89.3 mL at constant temperature. Calculate the work done (in…

A: Given V1 = 26.7 ml V2 = 89.3 ml

Q: A cylinder contains a gas under constant atmospheric pressure. When 0.384 kJ of heat is added to the…

A: Given that : The amount of heat added to the gas (q) = 0.384 kJ Work done (W) = 553 J

Q: How much energy is gained by copper when 68.4 g of copper is warmed from 13.4 °C to 78.4 °C? The…

A: The amount of heat absorbed (or released) by a fixed amount of a substance to change its temperature…

Q: 1. A system is compressed from 50.0 L to 5.0L at a constant pressure of 10.0 atm. What is the amount…

A:

Q: During a normal breath, our lungs expand about 0.50 L against an external pressure of 1.0 atm. How…

A: The volume of lungs expansion,

Q: In a gas expansion,  9.0  ×  101  J of heat is absorbed by the system, and the energy of the system…

A: According to the first law of thermodynamic;

Q: expanding gas does 171 J of work on its surroundings at a constant pressure of 1.02 atm. If the gas…

A: Work (w) = -171 J Pext = 1.02 atm Initial Volume (V1) = 68.0 mL        = 0.068 L Work = -Pext.(V2 -…

Q: A 921.3 g sample of methane goes through a temperature change of -14.44 °C. The specific heat…

A: The heat involved in the changing the temperature of any sunatance is given by formula - Q = m S ΔT.…

Q: energy (in joules) is needed to heat 200.0 g of water by 10.0 C? The heat capacity of water is…

A: The energy in joules that is needed to heat 200.0 g of water by 10.0 degrees Celsius is to be…

Q: How much work is done, in joules, when a piston expands from 11.2 L to 13.9 L against a pressure of…

A: Given:Vinitial=11.52LVfinal=13.9LP=3.0Assuming temperature in the process to be constant:Work…

Q: A cylinder contains a gas under constant atmospheric pressure. When 0.434 kJ of heat is added to the…

A:

Q: A 24.0 g sample of granite at 100.0 °C was added to 100.0 g of water at 25 °C, and the temperature…

A:

Q: A gas in a closed container is heated  causing the lid container to rise. The gas performs 3J of…

A: According to the first law of thermodynamics. ∆E = q - w   ......(1) The change in energy (ΔE)…

Q: A piece of iron, with a mass of 35 g and a specific heat of 0.451 J/g (°C), is heated and then…

A: Given,

Q: 1.5 L of water is heated from 22.4°C to 98.5°C to make a cup of tea. How much heat in megajoules…

A:

Q: A piston has an external pressure of 10.0 atmatm. How much work has been done in joules if the…

A: The expression for the calculation of work done is shown below: w = -Pext∆V where; w = work done…

Q: How much heat is required to increase the temperature of a 10.0 gram piece of iron from 25°C to…

A: Heat energy can be calculated as follows

Q: 7. An expanding gas does 175 kJ of work on its surroundings at a constant pressure of 5.55 atm. If…

A:

Q: A piston holding a gas compresses from 4 L to 1 L under an external pressure of 3 atm. What is the…

A: Work is the energy required to move something against a force. To calculate how much work a gas has…

Q: A gas expands in volume from 26.7 to 89.3 mL at constant temperature. Calculate the work done (in…

A:

Q: An expanding gas does 171 J of work on its surroundings at a constant pressure of 1.02 atm. If the…

A: Applying formula  w = -pΔV where w = work done on its surrounding  p= pressure , ΔV = change in…

Q: Consider two metals, A and B, each having a mass of 100 g and an initial temperature of 20°C. The…

A: We are given two metals with similar mass of 100g The specific heat of metal A is larger than that…

Q: A fuel is burned in a cylinder equipped with a piston. The initial volume of the cylinder is 0.250…

A: Work- It is the form of energy by which body can move through a certain distance. Work is product…

Q: How much energy is required to raise the temperature of a 22.588g piece of silicon (Si) to 56.0°C…

A:

Q: (1) Calculate (a) q when a system does 54 J of work and its energy decreases by 72 J. (b) DE for…

A:

Q: A balloon is inflated from 0.0100 L to 0.400 L against an external pressure of 10.00 atm. How much…

A: This is a case of constant pressure expansion process. It is also called isobaric process. In an…

Q: A steel cylinder of 10 liters capacity contains 20 moles of oxygen at 27°C. An imperfection in the…

A: The work done by gas can be calculated by using formula of work done i.e W= -P(Vf- Vi)  Where w…

Q: A balloon is inflated from 0.0100 L to 0.700 L against an external pressure of 10.00 atm. How much…

A: Since work done by the surrounding is given by  w = PextΔV where ΔV = change in volume = final…

Q: A 763.9 g sample of hydrogen experiences a temperature change of +27.05 °C. The specific heat…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: 3. How much energy is required to heat a 495g copper cooking pot containing 870.0g of water from…

A: According to calorimetric principle, the heat energy required to raise the temperature of colder…

Q: A 25.0 g sample of granite at 100.0 °C was added to 100.0 g of water at 25 °C, and the temperature…

A: The specific heat of the substance is represented as ‘c’. The relation between specific heat, heat…

Q: The specific heat capacity of lead is 0.13 J/g-K. How much heat (in J) is required to raise the…

A:

Q: A 340.9 g sample of silver is subjected to a temperature change of -34.29 °C. The specific heat…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: 41. If 2 moles of diatomic gas kept at a volume of 20 liters and is compressed from 2 atmospheres of…

A:

Q: 1. How many joules of energy would be required to raise the temperature of 3.2 grams of mercury…

A:

Q: A 12.18 g sample of a shiny, orange-brown metal is heated to 65.0oC then added to 25.0 g of water in…

A: The initial temperature of metal is decreased after adding into  water in a coffee-cup calorimeter.…

Q: The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental…

A: Heat is arises due to change in temperature and heat is transferred from hotter body to colder body.…

Q: How much energy is required to raise the temperature of 1000.0 g of water from 23.00o C to 26.00o C?…

A:

Q: Metal A has a specific heat capacity of 0.250 J/g  C and copper heat is 0.378 J/g C. If the same…

A: Heat energy = mC∆T