Question

In: Physics

Suppose you take and hold a deep breath on a chilly day, inhaling 2.5 L of...

Suppose you take and hold a deep breath on a chilly day, inhaling 2.5 L of air at 0 ∘C and 1 atm.

1.

How much heat must your body supply to warm the air to your internal body temperature of 37 ∘C?

Express your answer to three significant figures and include the appropriate units.

2.

By how much does the air's volume increase as it warms?

Express your answer using two decimal places and include the appropriate units.

Expert Solution

Volume of the air =

Initial temperature of the air = =

Final temperature = =

Change in the temperature =

Pressure of air is atmospheric =

specific heat of the air =

specific gas constant for air =

From the ideal gas equation

We know that, heat supplied to increase the the temperature is given by

Hence, heat supply by the body for given condition is

PART 2.

Pressure will be same as atmospheric pressure,

Using Charles's law, we get

Change in volume =

Hence, Volume increased is

genius_generous answered 6 months ago

Take a deep breath. Breathe deeply-- exhale. And again. Which of the following is true? 1....

Take a deep breath. Breathe deeply-- exhale. And again. Which of the following is true? 1. Under anaerobic conditions with an LDH muscle isoform, the final electron acceptor is oxidized to regenerate NAD+ and lead to gluconeogenesis 2. Pyruvate accepts an electron from NAD+ to form lactate 3. Under aerobic conditions in muscle, the final electron acceptor lactate is reduced to regenerate NAD+ and results in lactic acid 4. The Cori Cycle assists with lactate clearance from blood and regeneration...

NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE Take a Deep Breath: A Case of Respiratory...

NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE Take a Deep Breath: A Case of Respiratory Illness by Brianna S. Nelson, Kelsey N. Aguirre, Alee L. Adams, Emily E. Brodbeck, and Breanna N. Harris Department of Biological Sciences Texas Tech University, Lubbock, TX Part I – Symptoms Callie was 26 years old when she opened a bakery called “Callie’s Cupcakes” in downtown San Francisco with her fiancé, Jeremy. Despite the competitive market, her business was booming; everyone loved the clever...

Suppose you take a shower on a cold day. Describe the sign of the heat that...

Suppose you take a shower on a cold day. Describe the sign of the heat that leaves your body as you step out of a warm shower. Next describe the temperature difference inside and out of the shower. Describe how this example relates to the concept of heat.

When you swim you hold your breath to go under water. A) What is the effect...

When you swim you hold your breath to go under water. A) What is the effect of breath holding on alveolar and blood gas pressures? [4 marks] B) What respiratory control mechanisms exist that will eventually cause you to surface and breathe? [5 marks]

You probably heard about deep-sea diving with suits in which the divers breath fluids. The movie...

You probably heard about deep-sea diving with suits in which the divers breath fluids. The movie "The Abyss" portrays it wonderfully. The diver is put into a diving suit which is filled with an oxygen-rich fluid that he can breath. After some disorientation, the diver starts to breath the fluid and can dive to depths of up to hunderds or thousands of meters. (Don't you love sci-fi?) Still, one thing puzzles me. There's more air in a body than just...

The mean operating cost of a 737 airplane is $2071 per day. Suppose you take a...

The mean operating cost of a 737 airplane is $2071 per day. Suppose you take a sample of 49 of these 737 airplanes and find a mean operating cost of $2050 with a sample standard deviation of $106. A.) what is the probability that a 737 will have an operating cost that is greater than the sample mean you have found? (show work) B.) what is the probability that a plane would have an operating cost that is between $2050...

John Miller, a 65-year-old male, arrives at the clinic complaining of his shoes not fitting and feeling like he cannot take a deep breath.

Description:John Miller, a 65-year-old male, arrives at the clinic complaining of his shoes not fitting and feeling like he cannot take a deep breath. During the patient interview, he also states that he is having intermittent pain in his chest. He is taking glyburide 2.5 mg daily, captopril 25 mg twice a day, and HCTZ 25 mg daily. He has not taken the HCTZ for 2 weeks and is hoping to get this medication refilled. The physician wants to evaluate...

2. On a winter day, suppose your breath has T = 30°C with Td = 28°C,...

2. On a winter day, suppose your breath has T = 30°C with Td = 28°C, and it mixes with the ambient air of temperature T = –10°C and Td = –11°C. Will you see your breath? Assume you are at sea level, and that your breath and the environment mix in proportions of (breath : environment): a. 1:9 b. 2:8 c. 3:7 d. 4:6

It's nighttime, and you've dropped your goggles into a 3.2-m-deep swimming pool. If you hold a...

It's nighttime, and you've dropped your goggles into a 3.2-m-deep swimming pool. If you hold a laser pointer 0.90m above the edge of the pool, you can illuminate the goggles if the laser beam enters the water 2.2m from the edge. How far are the goggles from the edge of the pool?

Suppose that you hold a piece of land in the City of London that you may...

Suppose that you hold a piece of land in the City of London that you may want to sell in one year. As a U.S. resident, you are concerned with the dollar value of the land. Assume that, if the British economy booms in the future, the land will be worth £10,000 and one British pound will be worth $1.36. If the British economy slows down, on the other hand, the land will be worth less, i.e., £9,000, but the...