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tatiyna
3 years ago
7

Convert -8.0 degrees F to degrees C.

Chemistry
1 answer:
DedPeter [7]3 years ago
6 0

Answer:

Its -22.222C

Explanation:

I hope its helpful.

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What did the Bohr model assume about the motion of electrons?
Makovka662 [10]

Answer:

A

Explanation:

THAT'S THE ANSWER EYEUSKSBAW

8 0
3 years ago
How much heat, in joules and in calories, must be added to a 75.0–g iron block with a specific heat of 0.449 j/g °c to increas
lianna [129]

Answer:

Q=50,849.25J\\\\Q=12,153.3cal

Explanation:

Hello!

In this case, given the mass, temperature change and specific heat, it is possible to compute the required heat in joules as shown below:

Q=mC(T_2-T_1)\\\\Q=75.0g*0.449\frac{J}{g\°C}(1535\°C-25\°C)\\\\Q=50,849.25J

Now, since 1 cal =4.184 J, this result in calories is:

Q=50,849.25J*\frac{1cal}{4.184J}\\\\Q=12,153.3cal

Best regards!

7 0
3 years ago
Include two kinds
MatroZZZ [7]

Answer:

Explanation:

Ionic bond:

It is the bond which is formed by the transfer of electron from one atom to the atom of another element.  

Both bonded atoms have very large electronegativity difference. The atom with large electronegativity value accept the electron from other with smaller value of electronegativity.

For example:

Sodium chloride is ionic compound. The electronegativity of chlorine is 3.16 and for sodium is 0.93. There is large difference is present. That's why electron from sodium is transfer to the chlorine. Sodium becomes positive and chlorine becomes negative ion.  Both atoms are joint together by electrostatic interaction and ionic compound sodium chloride is formed.

Covalent bond:

It is formed by the sharing of electron pair between bonded atoms.  

The atom with larger electronegativity attract the electron pair more towards it self and becomes partial negative while the other atom becomes partial positive.

For example:

In water the electronegativity of oxygen is 3.44 and hydrogen is 2.2. That's why electron pair attracted more towards oxygen, thus oxygen becomes partial negative and hydrogen becomes partial positive and both bonded atoms connected together through covalent bond.

8 0
4 years ago
Density differences drive which of the heat transfers?
stealth61 [152]
I think that it is A) Conduction
8 0
4 years ago
Read 2 more answers
85g=kg?<br> Unit conversion.
Paraphin [41]

Answer:

0.085 kg

Explanation:

1 g=0.001 kg  OR 1 kg=1000 g

 so \frac{85}{1000}=0.085 kg

3 0
3 years ago
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