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hram777 [196]
3 years ago
14

Please help me it’s due today at 7:40pm please help me please please help me

Chemistry
1 answer:
snow_tiger [21]3 years ago
5 0

Answer:

inertia

Explanation:

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A salt wedge forms in an estuary because
kherson [118]

Answer:

a rapidly flowing river discharges into the ocean where tidal currents are weak.

Explanation:

The force of the river pushing fresh water out to sea rather than tidal currents transporting seawater upstream determines the water circulation in these estuaries.

6 0
2 years ago
The reaction that occurs in a Breathalyzer, a device used to determine the alcohol level in a person's bloodstream, is given bel
Umnica [9.8K]

Answer:

The rate of disappearance of C₂H₆O = 2.46 mol/min

Explanation:

The equation of the reaction is given below:

2 K₂Cr₂O₇ + 8 H₂SO₄ + 3 C₂H₆O → 2 Cr₂(SO₄)₃ + 2 K₂SO₄ + 11 H₂O

From the equation of the reaction, 3 moles of C₂H₆O is used when 2 moles of Cr₂(SO₄)₃ are produced, therefore, the mole ratio of C₂H₆O to Cr₂(SO₄)₃ is 3:2.

The rate of appearance of Cr₂(SO₄)₃ in that particular moment is given 1.64 mol/min. This would than means that C₂H₆O must be used up at a rate which is approximately equal to their mole ratios. Thus,  the rate of of the disappearance of C₂H₆O can be calculated from the mole ratio of Cr₂(SO₄)₃ and C₂H₆O.

Rate of disappearance of C₂H₆O = 1.64 mol/min of  Cr₂(SO₄)₃  * 3 moles of C₂H₆O / 2 moles of Cr₂(SO₄)₃

Rate of disappearance of C₂H₆O = 2.46 mol/min of C₂H₆O

Therefore, the rate of disappearance of C₂H₆O = 2.46 mol/min

4 0
3 years ago
What is dry ice an example of?
SpyIntel [72]

Answer: D. Sublimation

Explanation: I just took the test.

7 0
2 years ago
Please am confused and need help​
alex41 [277]

Answer:

1.  C

2.  C

3.  A

4.  C

5.  True

6.  C

Explanation:

1. C  The answer is conduction because the heat was transferred through direct contact.

2. C  The answer convection because the heat was transferred through a medium (liquid/gas).

3. A  The answer is conduction because the heat was transferred through direct contact.

4. C  The answer is radiation because the heat was transferred through thermal emission.

5. True.  This is because the air that is warmed rises, causing the cool air to replace it.  You can picture it like the scenario in question 2.

6. C  

3 0
3 years ago
HELP ME PLEASEEEEE!!!!!!!!!!
AlladinOne [14]

Answer:

I dont know what the answer is

Explanation:

3 0
2 years ago
Read 2 more answers
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