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ryzh [129]
3 years ago
13

Is this statement true or false?

Chemistry
2 answers:
Snezhnost [94]3 years ago
5 0

The correct answer is False.

trasher [3.6K]3 years ago
3 0
This is false I hope this helps goodbye
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"how many atoms are in 169 g of calcium"
den301095 [7]

First calculate the number of moles. Molar mass of Calcium = 40.08 g/mol

 

Number of moles = 169 g / (40.08 g / mol) = 4.217 moles

 

Using Avogadros number, we can get the number of atoms:

<span>Number of atoms = 4.217 moles * (6.022 x 10^23 atoms / moles) = 2.54 x 10^24 atoms</span>

4 0
4 years ago
How many moles of oxygen (O) are there in 25 grams of sulfuric acid (H,SO.)?
Ierofanga [76]

Answer:

10.2 moles of oxygen which is 163.1 grams

Explanation:

5 0
3 years ago
Calculate the number of molecules in the following substance <br>(a)4.4g of carbon dioxide gas​
laila [671]

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6.0x10^{22} molecules CO2

Explanation:

Take mass times molar mass times Avogadro's number

7 0
3 years ago
What scientist established the law of octaves?
Hoochie [10]

I believe it was John Newlands.  

Hope that helped

6 0
3 years ago
How is carbon dioxide absorbed by the ocean? Select all that apply.
iris [78.8K]
<h3><u>Answer;</u></h3>
  • Fish respiring and releasing carbon dioxide into the water.
  • Mixing occurring at the surface of the ocean with the atmosphere.
<h3><u>Explanation;</u></h3>
  • <em><u>Ocean absorb carbon dioxide in a number of ways. Fish and other animals in the ocean take in oxygen and give off carbon dioxide into the water. Ocean plants respires using oxygen and release carbon dioxide into the water.</u></em>
  • <em><u>Oceans also absorbs carbon dioxide from the atmosphere when the air meets water. Wind causes waves and turbulence, giving more opportunity for eater to absorb the carbon dioxide. </u></em>

5 0
3 years ago
Read 2 more answers
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