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koban [17]
3 years ago
15

Notices for files:

SAT
1 answer:
azamat3 years ago
5 0

Answer:

Umm Okay

Explanation:

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How much heat is absorbed when 2.8 mol nh4no3 is dissolved in water? the heat of solution of nh4no3 is 25.4 kj/mol.
Kay [80]

The heat absorbed when 2.8 mol NH₄NO₃  is dissolved in water is 71.96 kJ.

<h3>What is heat?</h3>

Heat is the transportation of energy to or from a thermodynamic system.

By the formula of heat

\rm (n) \times (delta\;Hrxn) = (qrxn)

Where n = moles

Delta Hrxn is molar heat

q = heat

Putting the values in the equation

\rm qrxn = (2.8 mol) \times(25.7 kJ/mol) = 71.96 kJ

Thus, the heat absorbed when 2.8 mol NH₄NO₃  is dissolved in water is 71.96 kJ.

Learn more about heat

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A longitudinal wave is observed to be moving along a slinky
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Explanation:

A longitudinal wave is composed of compressions and rarefactions. An example of a lomgitudinal wave is sound waves. It's a type of wave thay moves parrelel to axis.

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Determine the value of y.
Lera25 [3.4K]

The answer should be c)4.8

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If someone ran over a dog could they die if they neck breaks
bixtya [17]

Explanation:

it depends on which part he ran over. dogs are said to be of high strength, any action of inadequate pressure or power would not necessarily be fatal. if the right amount of energy is used at the right spot, for example an artery running through the neck ( like the carotid artery) or something. but since the dog apparently vanished, we could make out that it is not exactly dead

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Which religion is being described in this passage? "This religion, which emphasizes detachment from worldly goods, originated in
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