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ch4aika [34]
2 years ago
12

2. Imagine you have just baked a pizza in the oven. You've only let it cool for a minute, but you're

Chemistry
1 answer:
GaryK [48]2 years ago
3 0

Answer:

You should take a bite near the crust that contains very little sauce.

Explanation:

Specific heat capacity is amount of heat a one gram of substance must absorb or lose to change its temperature by one degree Celsius.

The sauce has water in it. Water has a high high heat capacity,( i.e 4.186 J/g °C, ) which means that the sauce takes more time to cool, as a result the sauce is still be hot even after few minutes of cooling, as compared to crust which has less sauce so it will cool faster.

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2. The diagram below shows steps in the exothermic chemical reaction of bromomethane with
vovangra [49]

Answer:

Here's what I get  

Explanation:

1. Balanced equation

HQ⁻ + CH₃-Br ⟶ HQ-CH₃ + Br⁻

(I must use HQ because the Brainly Editor thinks the O makes a forbidden word)

2. Mechanism

HQ⁻ + CH₃-Br ⟶[HQ···CH₃···Br]⁻⟶ HQ-CH₃ + Br⁻

        A                           C                         B

The hydroxide ion attacks the back side of the carbon atom in the bromomethane (A).

At the same time as the Q-H bond starts to form, the C-Br bond starts to break.

At the half-way point, we have a high-energy intermediate (C) with partially formed C-O and C-Br bonds.

As the reaction proceeds further, the Br atom drops off to form the products — methanol and bromide ion (B).

3. Energy diagram

See the diagram below.

 

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3 years ago
Noble gas notation write the electron configuration for the manganese atom
8_murik_8 [283]
<span> the electron configuration for the manganese atom [Ne]3s</span>²
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3 years ago
A solution of HNO3 has a [H+] concentration of 0.001 M. What is the pH of point
Citrus2011 [14]

Answer:

3

Explanation:

pH=-log(H+)

- Hope that helps! Please let me know if you need further explanation.

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Why does a solution of acid and sodium thiosulfate go cloudy
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The soulustion. turn cloudy due to the precipitation of Sulphur.
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Hurry up as fast as possible Ill mark you brainlist
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It took 380,000 years for electrons to be trapped in orbits around nuclei, forming the first atoms.

These were mainly helium and hydrogen, which are still by far the most abundant elements in the universe. Present observations suggest that the first stars formed from clouds of gas around 150–200 million years after the Big Bang. Heavier atoms such as carbon, oxygen and iron, have since been continuously produced in the hearts of stars and catapulted throughout the universe in spectacular stellar explosions called supernovae.

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