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IrinaVladis [17]
4 years ago
6

How does density affect water circulation?

Chemistry
2 answers:
Kipish [7]4 years ago
4 0

Answer:

Im guessing it's C....................................................

dybincka [34]4 years ago
3 0
The answer is A for sure hope this helps
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What is the correct formula of Nitic acid​
Helga [31]

the formula for nitric acid is HNO3

7 0
3 years ago
Wine goes bad soon after opening because the ethanol in it reacts with oxygen gas from the air to form water and acetic acid , t
Fynjy0 [20]

Answer:

7.00 g

Explanation:

There is some information missing. I think this is the complete question:

<em>Wine goes bad soon after opening because the ethanol CH₃CH₂OH in it reacts with oxygen gas O₂ from the air to form water H₂O and acetic acid CH₃COOH, the main ingredient of vinegar. What mass of ethanol is consumed by the reaction of 4.86g of oxygen gas? Round your answer to 3 significant digits.</em>

<em />

First, we have to write the balanced equation.

CH₃CH₂OH + O₂ ⇒  CH₃COOH + H₂O

Then, we can establish the following relations:

  • The molar mass of O₂ is 32.0 g/mol
  • The molar ratio of O₂ to CH₃CH₂OH is 1:1
  • The molar mass of ethanol is 46.1 g/mol.

The mass of ethanol that reacts with 4.86 g of oxygen is:

4.86gO_{2}.\frac{1molO_{2}}{32.0gO_{2}} .\frac{1molEt}{1molO_{2}} .\frac{46.1gEt}{1molEt} =7.00gEt

4 0
3 years ago
Could someone help me with question #3?
faltersainse [42]
The first one because they can move forward
3 0
3 years ago
Which property of water causes water drops to bead on a freshly waxed car?
astraxan [27]

Answer:

Cohesive forces are greater than adhesive forces  

Step-by-step explanation:

The attractive forces between water molecules and the wax on a freshly-waxed car (adhesive forces) are quite weak.

However, there are strong attractive forces (cohesive forces) between water molecules.

The water molecules are only weakly attracted to the wax, so the cohesive forces pull the water molecules together to form beads .

3 0
3 years ago
The RNA and DNA backbone differ because the DNA sugar is missing what element?
hammer [34]

Answer:

D.

Explanation:

4 0
3 years ago
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