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sergij07 [2.7K]
4 years ago
8

When you put some food in microwave it gets hot i it conduction,convection or radiation

Chemistry
2 answers:
BARSIC [14]4 years ago
7 0
The answer is Conduction
Tamiku [17]4 years ago
6 0
It would be radiation. Microwaves are special because they develop high frequency waves that go directly on the food. When the food absorbs these waves, the molecules inside will vibrate faster, and the vibration generates heat energy and that’s how your microwave cooks your food :)
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Which major changes in human society and the environment occurred during the Industrial Revolution? *
wariber [46]

Answer: c

Explanation:

during the industrial revolution americans were switching from rural to urban life, thus using up more fossil fuels, and working in factories

7 0
4 years ago
Convert 145 meters to kilometers.
Sphinxa [80]

Divide by 1000

145÷1000=0.145

Hope this will be helpful.

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1 year ago
An organism contains 28 chromosomes and undergoes asexual reproduction. How many chromosomes will each of the resulting offsprin
Marat540 [252]
Each offspring organism will contain 28 chromosomes
5 0
3 years ago
How can the existence of spectra help to prove that energy levels in atoms exist?
Liula [17]
The existence of spectra can help the existence of atoms by expanding and multiplying in the law of London Dispersion
6 0
3 years ago
Many homes in rural america are heated by propane gas, a compound that contains only carbon and hydrogen. Complete combustion of
jek_recluse [69]

Answer:

            C₃H₈

Solution:

Step 1: Calculating Moles for each Element:

C  =  Mass of CO₂ × (1 mol of CO₂÷ M.Mass of CO₂) × (1 mol of C ÷ 1 mol of CO₂)

C  =  2.641 g × (1 mol of CO₂÷ 44.011 g.mol⁻¹) × (1 mol of C ÷ 1 mol of CO₂)

C =  0.0600 mol


H  =  Mass of H₂O × (1 mol of H₂O ÷ M.Mass of H₂O) × (2 mol of H ÷ 1 mol of H₂O)

H  =  1.442 g × (1 mol of H₂O ÷ 18.106 g.mol⁻¹) × (2 mol of H ÷ 1 mol of H₂O)

H =  0.159 mol

Step 2: Calculate the Smallest whole number ratio as,

                                  C                                                        H

                               0.0600                                               0.159

                       0.0600/0.0600                                  0.159/0.0600

                                    1                                                    2.654

Multiply ratio by 3,

                                    3                                                      7.96

Or,

                                    3                                                        ≈ 8

Result:

           Empirical Formula of Propane is C₃H₈

3 0
3 years ago
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