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Leona [35]
3 years ago
5

I ONLY NEED 1 EXAMPLE for each one PLZ HELP ME I WILL MAKE BRAINLIST HELP ME FAST PLZ!!!! Using a skillet on the stove to cook s

crambled eggs is an example of which heat transfer? Give more examples of this type of heat transfer
Using a space heater to heat up a cold room is an example of which heat transfer? a.Conduction b.Convection c.Radiation d.None of these Give more examples of this type of heat transfer
Chemistry
2 answers:
d1i1m1o1n [39]3 years ago
6 0

<u><em>Conduction</em></u> is your first answer. More examples are; touching a hot light bulb and walking on concrete in summer.

Your second answer is <u><em>C. Radiation</em></u>. More examples are; a sauna and a hot car motor.

Hope this helps!

⊕

gayaneshka [121]3 years ago
5 0

-Using a skillet on the stove to cook scrambled eggs is an example of conduction. remember conduction is a substance that allows energy to flow throw easily which in this case the conductor is the skillet, once the skillet is heated the heat from the skillet goes to the eggs which is another conductor.

another example would be a chocolate bar melting in your hand. the heat that is coming from your hand is conducted into the chocolate bar.

- Using a space heater to heat up a cold room is an example of radiation. radiation is heat transfer that travels through space and through electromagnetic waves. the heat coming from the heater is high-energy molecules of gas (air).

another example would be the heat felt while sitting beside a campfire is radiant heat.


I feel like a genuis XD

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To prevent the hydrolysis and to catalyse the reaction.

Explanation:

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  • Sulphuric acid is using in redox reaction because sulphuric acid is providing H+ ions which is necessary for this reaction to occur more quickly, but the sulphate ions from the sulphuric acid barely react during this process. So H2SO4 is adding in this reaction to make it more acidic.
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3 years ago
How many numbers does positive atoms have
anastassius [24]
I'm not sure I'm sorry for that but I found this http://www.chem4kids.com/files/atom_ions.html
7 0
3 years ago
The salt formed by the reaction of the weak acid hydrocyanic acid, HCN, with the strong base potassium hydroxide is
iogann1982 [59]

Answer:

2.28 × 10^-3 mol/L

Explanation:

The equation for the equilibrium is

CN^- + H2O ⇌ HCN + OH^-

                    Ka = 4.9 × 10^-10

               KaKb = Kw

4.9 × 10^-10 Kb = 1.00 × 10^-14

                   Kb = (1.00 × 10^-14)/(4.9 × 10^-10) = 2.05 × 10^-5

Now, we can set up an ICE table

                     CN^- + H2O ⇌ HCN + OH^-

I/(mol/L)      0.255                     0         0

C/(mol/L)       -x                        +x        +x

E/(mol/L)  0.255 - x                   x         x

Ka = x^2/(0.255 - x) = 2.05 × 10^-5

Check for negligibility

0.255/(2.05 × 10^-5) = 12 000 > 400. ∴ x ≪ 0.255

    x^2 = 0.255(2.05 × 10^-5) = 5.20 × 10^-6

        x = sqrt(5.20 × 10^-6)    = 2.28 × 10^-3

[OH^-] = x mol/L                     = 2.28 × 10^-3 mol/L

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2 years ago
Once an enzymatic reaction is completed, the enzyme releases what?
sleet_krkn [62]

Answer:

Once an enzymatic reaction is completed, the enzyme releases substrates.

Explanation:

The enzyme will always return to its original state at the completion of the reaction. One of the important properties of enzymes is that they remain ultimately unchanged by the reactions they catalyze. After an enzyme is done catalyzing a reaction, it releases its products (substrates).

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What happens to chemical bonds as a chemical reaction occurs?
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Option D is the answer
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