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Yuri [45]
3 years ago
6

Which chamber collects blood from the lungs that is rich in oxygen?

Chemistry
1 answer:
Umnica [9.8K]3 years ago
7 0
The left atrium does that
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293Ts- has how many protons, neutrons, and electrons
r-ruslan [8.4K]

Answer:

Protons 78

Neutrons 117

Electrons 78

Explanation:

8 0
3 years ago
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The total volume of seawater is 1.5 x 1021L .Assume that seawater contains 3.1 percent sodium chloride by mass and that its dens
son4ous [18]

Answer:

Mass in kg = 4.7*10^19 kg

Mass in tons = 5.2*10^16 tons

Explanation:

<u>Given:</u>

Total volume of sea water = 1.5*10^21 L

Mass % NaCl in seawater = 3.1%

Density of seawater = 1.03 g/ml

<u>To determine:</u>

Total mass of NaCl in kg and in tons

<u>Calculation:</u>

Unit conversion:

1 L = 1000 ml

The volume of seawater in ml is:

=\frac{1.5*10^{21}L*1000ml }{1L} =1.5*10^{24} ml

Mass\ seawater = Density*volume = 1.03g/ml*1.5*10^{24} ml=1.5*10^{24}g

Mass\ NaCl\ in\ seawater = \frac{3.1}{100}*1.5*10^{24}  g=4.7*10^{22} g

To convert mass from g to Kg:

1000 g = 1 kg

Mass\ seawater(kg) = \frac{4.7*10^{22}g*1kg }{1000g} =4.7*10^{19} kg

To convert mass from g to tons:

1 ton = 9.072*10^6 g

Mass\ seawater(tons) = \frac{4.7*10^{22}g*1ton }{9.072*10^{6}g } =5.2*10^{16} tons

5 0
3 years ago
Anyone can help me in science assignment
olya-2409 [2.1K]

Answer:

okay I will help you

Explanation:

okay

6 0
3 years ago
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Nucleic acids are chains of 5-carbon sugars linked by ____ bonds with an organic base protruding from each sugar.
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<span>B) phosphodiester </span> is the correct answer
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3 years ago
Thinking and questioning is the start of the scientific inquiry process. Please select the best answer from the choices provided
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Yes thats true! You always have to think about the question or project before you start a science experiment! :) 




8 0
3 years ago
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