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laila [671]
3 years ago
14

IF YOU DON'T ANSWER IT CORRECTLY OR IN AT LEAST A DECENT WAY< I WILL REPORT!!! I'm giving 30 points for this!!!!

Chemistry
1 answer:
pantera1 [17]3 years ago
7 0

Answer:

Color Change.

Production of an odor.

Change of Temperature.

Evolution of a gas (formation of bubbles)

Precipitate (formation of a solid)

Chicken turning color

Explanation:

I have when i have put a mint in the coke and it exploded and then another is when i dyed my water purple for no reason and when i heat water it start do evaporate or bubble and water turning into ice and when you know  you cook chicken the chicken is pink then when you season the chicken it turn golden brown and when you put milk and cereal together and if you leave it in to long it get soggy.

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A ridged steel tank filled with 62.7L of nitrogen gas of 85.0L atm
mylen [45]

The final gas pressure : 175.53 atm

<h3>Further explanation</h3>

Maybe the complete question is like this :

A ridged steel tank filled with 62.7 l of nitrogen gas at 85.0 atm and 19 °C is heated to 330 °C while the volume remains constant. what is the final gas pressure?

The volume remains constant⇒Gay Lussac's Law  

<em>When the volume is not changed, the gas pressure in the tube is proportional to its absolute temperature  </em>

\tt \dfrac{P_1}{T_1}=\dfrac{P_2}{T_2}

P₁=85 atm

T₁=19+273=292 K

T₂=330+273=603 K

\tt P_2=\dfrac{P_1\times T_2}{T_1}\\\\P_2=\dfrac{85\times 603}{292}\\\\P_2=175.53~atm

8 0
3 years ago
Using what you know about the structures of the amino acid side chains and the mechanisms presented in this chapter, which of th
Lostsunrise [7]

Answer:

a. participate in proton transfer - His

b. acts as a nucleophile - Ser

Explanation:

Enzymes are regulated because they are proteins. They are categorize based on how they catalyze. Heat weakens and inactivates the enzymes because of non covalent interaction. His amino acid participate in proton transfer because it is able to act as an acid as well as a base while Ser amino acid can act as nucleophile.

8 0
3 years ago
In your own words, write a definition for the term periodic.
Alenkasestr [34]

Answer: The definition of periodic is something that is recurring at regular intervals, or happens from time to time. An example of periodic is a person's birthday happening once each year.

hope this helps y❣️

7 0
3 years ago
1. When a mechanical wave, such as sound, reflects off a surface, what can the
oksano4ka [1.4K]
That the surface is very shiny
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3 years ago
Does a reaction occur when aqueous solutions of silver(I) acetate and manganese(II) iodide are combined?
san4es73 [151]

Answer:

When aqueous solutions of silver(I) acetate and manganese(II) iodide are combined, an insoluble precipitate of silver(I) iodide is formed

Explanation:

  • It is an example of precipitation reaction.
  • When aqueous solutions of silver(I) acetate and manganese(II) iodide are combined, an insoluble precipitate of silver(I) iodide is formed.
  • Precipitation of silver(I) iodide is confirmed by it's yellow color.
  • Hence a reaction is observed.
  • Molecular reaction: 2Ag(OAc)(aq.)+MnI_{2}(aq.)\rightarrow 2AgI(s)+Mn(OAc)_{2}(aq.)
7 0
3 years ago
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