1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Anvisha [2.4K]
3 years ago
14

The adult blue whale has a lung capacity 5.0\times10^3 5.0 Ã 10 3 l. calculate the mass of air (assume an average molar mass of

28.98 g/mol) contained in an adult blue whale's lungs at 0.0^\circ c 0.0 â c and 1.0 atm, assuming the air behaves ideally.
Chemistry
1 answer:
Andre45 [30]3 years ago
8 0
For this item, we need to assume that air behaves like that of an ideal gas. Ideal gases follow the ideal gas law which can be written as follow,
    PV = nRT
where P is the pressure, 
V is the volume,
 n is the number of mols,
R is the universal gas constant, and 
T is temperature

In this item, we are to determine first the number of moles, n. We derive the equation,
       n = PV /RT
Substitute the given values,

    n = (1 atm)(5 x 10³ L) / (0.0821 L.atm/mol.K)(0 + 273.15)
    n = 223.08 mols

From the given molar mass, we calculate for the mass of air.
   m = (223.08 mols)(28.98 g/mol) = 6464.9 g

<em>ANSWER: 6464.9 g</em>
You might be interested in
Describe how a plant meets the basic challenges of life???
Alinara [238K]
It can grow, reproduce, and produce/use energy.  Hope this helps!!!
7 0
4 years ago
During exercise your body's blood pressure increases as it cool down the body's blood pressure slowly returns to its normal stat
melamori03 [73]
Ur lungs i hope u get it
3 0
3 years ago
HELP. I DONT KNOW WHAT TO DO. Barium sulfate, BaSO4, is made by the following reaction.
Ghella [55]

Answer:

\boxed{\text{66.95 g BaSO$_{4}$}}

Explanation:

We know we will need an equation with masses and molar masses, so let’s gather all the information in one place.  

M_r:         261.34                         233.39

              Ba(NO₃)₂ + Na₂SO₄ ⟶ BaSO₄ + 2NaNO₃

m/g:         75.00

1. Moles of Ba(NO₃)₂

\text{Moles of Ba(NO$_{3})_{2}$} = \text{75.00 g} \times \dfrac{\text{1 mol}}{\text{261.34 g}} = \text{0.286 98 mol}

2. Moles of BaSO₄

The molar ratio is (1 mol BaSO₄/1 mol Ba(NO₃)₂

\text{Moles of BaSO$_{4}$}= \text{0.286 98 mol Ba(NO$_{3})_{2}$ } \times \dfrac{\text{1 mol BaSO$_{4}$}}{\text{1 mol Ba(NO$_{3})_{2}$}} = \text{0.286 98 mol BaSO$_{4}$}

3. Mass of BaSO₄

\text{Mass of BaSO$_{4}$} = \text{0.286 98 mol BaSO$_{4}$} \times \dfrac{\text{233.39 g BaSO$_{4}$}}{\text{1 mol BaSO$_{4}$}} = \textbf{66.98 g BaSO$_{4}$}\\\\\text{The theoretical yield of barium sulfate is } \boxed{\textbf{66.98 g BaSO$_{4}$}}

8 0
3 years ago
BRAINLIESIT IF CORRECT
Brut [27]
True

sound travels as energy, unlike light.. the waves transmit energy by changing the motion of particles. The particles are moving in the same direction as the wave.
3 0
3 years ago
Read 2 more answers
True or False? SLOW moving water deposits sediment.
wolverine [178]

no probs at all :)







5 pts

7 0
3 years ago
Other questions:
  • In the reaction Mg+Cl2=MgCl2 what should be the coefficient for Cl2
    13·2 answers
  • Hi, can someone help me with this.
    14·1 answer
  • Which ion is formed when an atom of fluorine (F) gains one electron
    13·1 answer
  • What is the scientific term for rocks formed from magma?
    13·2 answers
  • Byetta ( generic name is exenatide) 5mcg BID within 60 minutes AC
    11·1 answer
  • A natural atom possesses the atomic number of 13 and a atomic mass of 27. Three electrons are lost. From what region of the atom
    8·1 answer
  • Please help!!! Bob puts several pieces of dry ice inside an empty water bottle and covers the spout with a balloon. After 5 minu
    13·2 answers
  • If an ion had a charge of (-3), how many valence electrons could be expected
    15·1 answer
  • What is the empirical formula of CoH1803? (4 points)
    6·1 answer
  • How many milliliters of an injection containing 250 mg of aminophylline in each 10 ml should be used in filling a medication ord
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!