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alexira [117]
3 years ago
14

A pH change can be evidence that​

Chemistry
1 answer:
drek231 [11]3 years ago
3 0

Answer:

Explanation:

The acid level has changed

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<span>density is defined as mass per volume.. so 94 mL makes no sense.</span>
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When energy is added to a substance at constant volume and pressure, its temperature increases except ________.
Travka [436]

A. When the substance is in its gaseous state.

<u>Explanation:</u>

When a substance is expanding against its constant volume and pressure, its temperature increases except when the substance is in gaseous state and not in liquid or solid state. So the internal energy increase in the system not only increases and maintaining the volume and pressure of the system remains constant in its gaseous phase. In the first law of Thermodynamics, it is used specifically that to especially in the case of gaseous system.  

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if you have 3.50 moles of hydrogen and 5.00moles of nitrogen to produce ammonia, witch element is the reactant in excess? 3H2+N2
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Nitrogen is the N and that is what is the element is the reactant in excess.
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