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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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Without changing temperature, how could you increase the pressure of a gas a hundredfold? (100 times greater)?
Levart [38]

Answer:

yes 100 greater

<h2>I HOPE THIS HELPS</h2>
3 0
3 years ago
What is the symbol for the ion that contains 12 protons, 10 electrons, and 12 neutrons?
elena-s [515]
Magnesium ion or Mg 2+
4 0
3 years ago
PLEASE HELP!! I have to pass this class! Anything!!
Georgia [21]

Answer:

We'll have 8.0 moles Fe3O4 and 4.0 moles CO2

Explanation:

Step 1: data given

Number of moles Fe2O3 = 12.0 moles

Number of moles CO = 12.0 moles

Step 2: The balanced equation

3Fe2O3 +CO → 2Fe3O4 + CO2

Step 3: Calculate the limiting reactant

For 3 moles Fe2O3 we need 1 mol CO to produce 2 moles Fe3O4 and 1 mol CO2

Fe2O3 is the limiting reactant. It will completely be consumed (12.0 moles).

CO is in excess. There will react 12.0 / 3 = 4.0 moles

There will remain 12.0 - 4.0 = 8.0 moles

Step 4: Calculate moles products

For 3 moles Fe2O3 we need 1 mol CO to produce 2 moles Fe3O4 and 1 mol CO2

For 12.0 moles Fe2O3 we'll have 2/3 * 12.0 = 8.0 moles Fe3O4

For 12.0 moles Fe2O3 we'll have 12.0 / 3 = 4.0 moles CO2

We'll have 8.0 moles Fe3O4 and 4.0 moles CO2

6 0
3 years ago
Please help
ki77a [65]

Answer:

Ruthenium or Dubnium

Explanation:

<em>Ruthenium</em> after Ruthenia or <em>Dubnium</em> after Dubna, a place in Russia

7 0
3 years ago
cooling a sample of matter from 70°c to 10°c at constant pressure causes its volume to decrease from 873.6 to 712.6 cm3. classif
jek_recluse [69]

Explanation:

Expression for the coefficient of thermal expansion is as follows.

           \alpha = \frac{1}{V}(\frac{\Delta V}{\Delta T})

where,   V = initial volume

          \Delta V = Final volume - initial volume

                      = (712.6 - 873.6) cm^{3}

                      = -161 cm^{3}

Now, we will calculate the change in temperature as follows.

          \Delta T = Final temperature - Initial temperature

                       = (10 + 273) K - (70 + 273) K

                       = 283 K - 343 K

                       = -60 K

Substituting these values into the equation as follows.

     \alpha = \frac{1}{873.6} \times (\frac{161}{60}) K^{-1}

                 = 0.00307 K^{-1}

It is known that for non-ideal gases the value of alpha is 0.366% which is 0.00366 per Kelvin. As it is close to our result, hence the given sample of gas is a non-ideal gas.

3 0
3 years ago
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