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pickupchik [31]
4 years ago
9

Energy absorbed or released as heat in a chemical or physical change is measured by a(n) a. thermometer. b. scale. 26. c. incuba

tor. d. calorimeter
Chemistry
1 answer:
sveta [45]4 years ago
8 0

Answer:

d. calorimeter

Explanation:

Calorimeter -

It is the instrument use for the measurement of the heat that is absorbed or released during a physical change or in chemical change .

The instrument or devise is used for the study thermodynamics , biochemistry and chemistry .

Hence , From the question information , the instrument which can be used is a Calorimeter .

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The answer is "Ro-ions which are somewhat stronger bases than the hydroxide ion.
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3 years ago
In the reaction below, what is the limiting reactant when 1.24 moles NH3 of reacts with 1.79 moles of NO?
kotegsom [21]

Answer:

Option 1. NO

Explanation:

The balanced equation for the reaction is given below below:

4NH₃ + 6NO —> 5N₂ + 6H₂O

From the balanced equation above,

4 moles of NH₃ reacted with 6 moles of NO.

Finally, we shall determine the limiting reactant. This can be obtained as follow:

From the balanced equation above,

4 moles of NH₃ reacted with 6 moles of NO.

Therefore, 1.24 moles of NH₃ will react with = (1.24 × 6)/4 = 1.86 moles of NO

From the calculation made above, we can see that a higher amount of NO (i.e 1.86 moles) than what was given (i.e 1.79 moles) is needed to react completely with 1.24 moles of NH₃.

Therefore, NO is the limiting reactant and NH₃ is the excess reactant.

Thus, the 1st option gives the correct answer to the question

6 0
3 years ago
Read 2 more answers
FREE BRAINIEST WHO WANTS IT?!!!
tia_tia [17]

Ngl, I really want it! But how do I know you're not scamming?

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