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Suppose you take and hold a deep breath on a chilly day, inhaling 2.5 L of...
One more physics problems. Please help, thank you!!! Suppose you take and hold a deep breath...
One more physics problems. Please help, thank you!!!
Suppose you take and hold a deep breath on a chilly day, inhaling 3.0 L of air at 0 degree C. Assume that air pressure is 1.0 atm. How much heat must your body supply to warm the air to your internal body temperature of 37 degree C? Assume that for air C_p = 29.1 J/(K middot mol) as it consists mostly of nitrogen and oxygen. Express your answer to two significant...
Review I Constants Suppose you take and hold a deep breath on a chilly day inhaling...
Review I Constants Suppose you take and hold a deep breath on a chilly day inhaling 1.7 L of air at 0° C. Assume that air pressure is 1.0 atm How much heat must your body supply to warm the air to your internal body temperature of 37°C? Assume that for air C , consists mostly of nitrogen and oxygen. 29 1 J (K-mo as it Express your answer to two significant figures and include the appropriate units. Value Units...
You draw in a deep breath on a chilly day, inhaling 3.6 L of 0∘C air....
You draw in a deep breath on a chilly day, inhaling 3.6 L of 0∘C air. If the pressure in your lungs is a constant 1.0 atm, how much heat must your body supply to warm the air to your 37∘C internal body temperature? Assume that for air Cp = 29.1 J/(K⋅mol) as it consists mostly of nitrogen
Suppose you take and hold a deep breath on a chilly day, inhaling 1.7 L of...
Suppose you take and hold a deep breath on a chilly day, inhaling 1.7 L of air at 0∘C . Assume that air pressure is 1.0 atm . How much does the volume of the air increase as it is warmed?
On a chilly 12∘C day, you quickly take a deep breath--all your lungs can hold, 4.0...
On a chilly 12∘C day, you quickly take a deep breath--all your lungs can hold, 4.0 L. The air warms to your body temperature of 37∘C. If the air starts at a pressure of 1.0 atm, and you hold the volume of your lungs constant (a good approximation) and the number of molecules in your lungs stays constant as well (also a good approximation), what is the increase in pressure inside your lungs?
On a cold day, you take a breath, inhaling 0.4 L of air whose initial temperature...
On a cold day, you take a breath, inhaling 0.4 L of air whose initial temperature is -10 degree C. In your lungs, its temperature is raised to 37 degree C. Assume that the pressure is 106 kPa and that the air may be treated as an ideal gas. What is the total change in translational kinetic energy of the air you inhaled number? Round your answer to the nearest whole.
How many joules of net work does this person's lung do during one complete breath? Express...
How many joules of net work does this person's lung do during one complete breath? Express your answer to three significant figures and include the appropriate units Constants Work Done by the Lungs. The graph (Figure 1) shows a pv diagram of the air in a human lung when a person is Inhaling and then esthaling a deep breath Such graphs, obtained in clnical practice, are normally somewhat curved, but we have modeled one as a set of straight lines...
Whitneys lung capacity was measured as 2.9 L at a body temperature of 37 ∘C and...
Whitneys lung capacity was measured as 2.9 L at a body temperature of 37 ∘C and a pressure of 748 mmHg. How many grams of nitrogen are in Whitney's lungs at STP if air contains 78 % nitrogen? Express your answer to two significant figures and include the appropriate units.
10...11 P_1V_1/T_1 = P_2V_2/T_2 PV = nRT M = mRT/PV R = 0.08206 L middot atm/mol...
10...11
P_1V_1/T_1 = P_2V_2/T_2 PV = nRT M = mRT/PV R = 0.08206 L middot atm/mol middot K A teaching assistant was determining the molar volume of nitrogen gas, N_2(g). (MW: 28.0131 g/mol). at standard temperature and pressure. The TA found that 146 mL of gas was collected at 21.0 degree C and 0.968 atm. The TA determined the volume of this gas sample at STP (1.00 atm and 273 K) is ____ mL. Your answer should be expressed with...
A certain heat engine operating on a Carnot cycle absorbs 370 J of heat per cycle...
A certain heat engine operating on a Carnot cycle absorbs 370 J of heat per cycle at its hot reservoir at 145 degree C and has a thermal efficiency of 24.0% By how much does the engine change the entropy of the world each cycle? Express your answer to two significant figures and include the appropriate units. What mass of water could this engine pump per cycle from a well 25.0 m deep? Express your answer to two significant figures...
One more physics problems. Please help, thank you!!!
Suppose you take and hold a deep breath on a chilly day, inhaling 3.0 L of air at 0 degree C. Assume that air pressure is 1.0 atm. How much heat must your body supply to warm the air to your internal body temperature of 37 degree C? Assume that for air C_p = 29.1 J/(K middot mol) as it consists mostly of nitrogen and oxygen. Express your answer to two significant...
Review I Constants Suppose you take and hold a deep breath on a chilly day inhaling 1.7 L of air at 0° C. Assume that air pressure is 1.0 atm How much heat must your body supply to warm the air to your internal body temperature of 37°C? Assume that for air C , consists mostly of nitrogen and oxygen. 29 1 J (K-mo as it Express your answer to two significant figures and include the appropriate units. Value Units...
On a cold day, you take a breath, inhaling 0.4 L of air whose initial temperature is -10 degree C. In your lungs, its temperature is raised to 37 degree C. Assume that the pressure is 106 kPa and that the air may be treated as an ideal gas. What is the total change in translational kinetic energy of the air you inhaled number? Round your answer to the nearest whole.
How many joules of net work does this person's lung do during one complete breath? Express your answer to three significant figures and include the appropriate units Constants Work Done by the Lungs. The graph (Figure 1) shows a pv diagram of the air in a human lung when a person is Inhaling and then esthaling a deep breath Such graphs, obtained in clnical practice, are normally somewhat curved, but we have modeled one as a set of straight lines...
10...11
P_1V_1/T_1 = P_2V_2/T_2 PV = nRT M = mRT/PV R = 0.08206 L middot atm/mol middot K A teaching assistant was determining the molar volume of nitrogen gas, N_2(g). (MW: 28.0131 g/mol). at standard temperature and pressure. The TA found that 146 mL of gas was collected at 21.0 degree C and 0.968 atm. The TA determined the volume of this gas sample at STP (1.00 atm and 273 K) is ____ mL. Your answer should be expressed with...
A certain heat engine operating on a Carnot cycle absorbs 370 J of heat per cycle at its hot reservoir at 145 degree C and has a thermal efficiency of 24.0% By how much does the engine change the entropy of the world each cycle? Express your answer to two significant figures and include the appropriate units. What mass of water could this engine pump per cycle from a well 25.0 m deep? Express your answer to two significant figures...
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