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sasho [114]
3 years ago
10

Which of the following is not radiation ? A. baking in a metal pan in the oven , B. heat from a fire , C. microwaving food , or

D. suns rays

Chemistry
2 answers:
Dmitrij [34]3 years ago
7 0

Answer:

A. because it is conduction the transfer of heat through touching solids. Microwaving is wrong because rays of heat warm up the food. Radiation is the transfer through rays/gases.

Explanation:

IRISSAK [1]3 years ago
5 0

Answer:

C.

Explanation:

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What type of bond is formed when both atoms have a strong attraction for an electron? A.hydrogen bond B.ionic bond C.covalent bo
Alinara [238K]

Answer:

C. Covalent Bond

Explanation:

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.

6 0
3 years ago
Which boiling point is lower an why?
DiKsa [7]

Answer:4

Explanation:

If we carefully observe the electronegativity of the elements in question

P-2.19

N-3.04

C-2.55

Si-1.9

H-2.2

SiH4 is definitely more polar than CH4 hence greater dipole forces of a higher boiling point. NH3 is more polar than PH3 hence NH3 has greater dipole forces and a higher boiling point. Electronegative differences influences the polarity of a bond. The greater the electro negativity difference between bonding atoms, the greater the dipole forces and the greater the boiling point.

3 0
3 years ago
Read 2 more answers
Calculate the energy required to heat 406.0mg of cyclohexane from 33.5°C to 38.9°C . Assume the specific heat capacity of cycloh
N76 [4]

Answer:

Q = 4.056 J

Explanation:

  • Q = m<em>C</em>ΔT

∴ m = 406.0 mg = 0.406 g

∴ <em>C </em>= 1.85 J/g.K

∴ T1 = 33.5°C ≅ 306.5 K

∴ T2 = 38.9°C = 311.9 K

⇒ ΔT = 311.9 - 306.5 = 5.4 K

⇒ Q = (0.406 g)(1.85 J/gK)(5.4 K)

⇒ Q = 4.056 J

6 0
3 years ago
Which statement correctly describes the nucleus of the atom?
Dmitrij [34]

Answer:

llllllllllkkkll

(Answer:D)

3 0
3 years ago
if you were stranded in the desert and wanted make water vapor could of the air so that you could drink it what should you do
grin007 [14]
I think you forgot to give the options along with the question. I am answering the question based on my research and knowledge. "<span>You should remove heat energy because air is a gas and particles need to slow to become a liquid" is the way you can make water for drinking in the desert. I hope it helped you.</span>
4 0
3 years ago
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