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Gemiola [76]
3 years ago
10

What can the world of science learn by simulating these hurricane conditions?

Chemistry
2 answers:
AfilCa [17]3 years ago
6 0
Not sure i just need points sorry!
9966 [12]3 years ago
4 0
Not sure i just want points sorry!
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Baking soda (nahco3) is an active ingredient in some antacids. determine the percent composition of oxygen in baking soda.
telo118 [61]
Assuming the question is asking for percent composition by mass,

The molar mass of sodium bicarbonate is:

22.990 + 1.008 + 12.011 + 3*15.999 = 84.006 g/mol

The molar mass of 3 oxygen atoms is:

3*15.999 = 47.997 g/mol

The percentage composition by mass is:

47.997/84.006 * 100% = 57.1% (3 s.f.)
8 0
2 years ago
3. How many molecules are in 2.10 moles of H2O?
AnnZ [28]

Answer:

<h2>1.264 × 10²⁴ molecules</h2>

Explanation:

The number of molecules can be found by using the formula

N = n × L

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

N = 2.10 × 6.02 × 10²³

We have the final answer as

<h3>1.264 × 10²⁴ molecules</h3>

Hope this helps you

5 0
3 years ago
The ph of body fluids must remain fairly constant for the body to maintain homeostasis.
andrew11 [14]

Answer:

The answer is True

Explanation:

The Ph of bady fluids have different ranges but it should be nearly constant to maintain the health of the human, The PH of the human blood is from 7.35 to 7.45 and the other blood fluids have different ranges . The PH shouldn't drop below 6.9 because it is so dangerous for human health and result coma. if there is high value of PH this indicates high numbers of OH- and low value of PH  this indicates high numbers of H+

each organ has a certain PH value to do its function very well ,there is an organ needs acidic environment to work well and other organ needs an alkaline environment to do its work.

4 0
3 years ago
How is the jet stream Influencing the weather conditions depicted on the map?
Sauron [17]

Answer:

B. The jet stream is causing cold fronts to move from east to west

Explanation:

I hope this helped!

4 0
2 years ago
How many grams of 2Na + Cl2 would be required to produce 4 grams of table salt?
kondaur [170]
NaCl is table salt so you need 4Na and 4 Cl, So Na₄Cl₄
4 0
2 years ago
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