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Gnom [1K]
3 years ago
12

1a. What type of bonds are formed when atoms share electrons unequally?

Chemistry
1 answer:
Ksivusya [100]3 years ago
7 0

Answer:

Polar covalent bond, Water, and the last one a friend answered it already: brainly.com/question/7154480

Explanation:

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Coefficients represents no of moles while subscripts represent no of atoms.

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Sarah is making a strawberry banana smoothie. She combines one banana, five strawberries, and a cup and a half of milk in a
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homogeneous substance

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Which of the following is not the same as 0.00684 kg? 0.0684 dkg,6.84 g, 684 cg, 6,840 mg,
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One gram of liquid benzene is burned in a bomb calorimeter. The temperature before ignition was 20.826 C, and the temperature af
Licemer1 [7]

Answer:

fH = - 3,255.7 kJ/mol

Explanation:

Because the bomb calorimeter is adiabatic (q =0), there'is no heat inside or outside it, so the heat flow from the combustion plus the heat flow of the system (bomb, water, and the contents) must be 0.

Qsystem + Qcombustion = 0

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Qcombustion = - 41,740 J = - 41.74 kJ

So, the enthaply of formation of benzene (fH) at 298.15 K (25.000 ºC) is the heat of the combustion, divided by the number of moles of it. The molar mass od benzene is: 6x12 g/mol of C + 6x1 g/mol of H = 78 g/mol, and:

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n = 0.01282 mol

fH = -41.74/0.01282

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4 0
4 years ago
What happens to water during evaporation?
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D would be your best bet because evaporation occurs when water is heated, it then vibrates and then magic!
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