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Jlenok [28]
3 years ago
15

Materials that conduct heat and electricity well in the solid state result when: 1. metals bond with metals 2. any type of eleme

nt bonds with any other 3. non-metals bond with metalloids
Chemistry
1 answer:
Andre45 [30]3 years ago
7 0
Answer: Metals bond with metals.  
Explanation: A metallic bond is a sharing of electrons between many atoms of a metal element. Metallic bonding is when positive ions (metals) are in a 'sea of negative electrons'. The electrons are delocalised, which means they can move around easily and carry charge, and this enables it to conduct electricity, even in a solid state. The big pool of electrons is like a free-for-all in that any valence electron can move to any atom within the material.
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A 2.00 L bottle of Dr Pepper contains 225 g of sucrose, C12H22O11. What is the molality of that solution?
Firdavs [7]

Answer:

Molality = 0.33 mol/Kg

Explanation:

Given data:

Volume of solvent  = 2.00 L

Mass of solute = 225 g

Molality of solution = ?

Solution:

Formula:

Molality = Number of moles of solute / kg of solvent

Now we will calculate the moles of solute.

Number of moles = mass/ molar mass

Number of moles = 225 g/ 342.3 g/mol

Number of moles = 0.66 mol

Now we will calculate the Kg of solvent.

1 L = 1 Kg

2 L = 2 Kg

Molality = Number of moles of solute / kg of solvent

Molality = 0.66 mol  / 2 kg

Molality = 0.33 mol/Kg

6 0
3 years ago
1. HBr+KOH=? +H2O<br><br> 2. H2SO4+?= (NH4)2SO4 + 2H2O<br><br> 3. ? + Mg(OH)2=Mg(NO3)2+2H2O
igor_vitrenko [27]

Answer:

1.  KBr

2. 2NH4OH

3. 2NO3

Explanation:

You just need to work backwords and take them step by step.

- Please let me know if these are right, if not I will correct them. Also, if you have any questions pertaining to any of this, let me know, and I will be happy to try and answer them.

6 0
3 years ago
7. If the pOH of an RbOH solution is 6.32, what is the concentration (molarity) of the base?
liubo4ka [24]

4.79 x 10⁻⁷moldm⁻³

Explanation:

Given parameters:

    pOH of RbOH = 6.32

Unknown:

Molarity of the base = ?

Solution:        

    The pH or pOH scale is used for expressing the level of acidity alkalinity of aqueous solutions.

                      pOH = -log[OH⁻]

  we know the pOH to be 6.32

               6.32 = -log[OH⁻]

               [OH⁻]  = inverse log₁₀(6.32)

                [OH⁻] =  4.79 x 10⁻⁷moldm⁻³

Learn more:

pH brainly.com/question/12985875

#learnwithBrainly

6 0
3 years ago
Explain the difference between a front and an air mass.
iVinArrow [24]

Answer: The differences is Air masses cover over thousands and hundreds and millions of square kilo. A front is a boundary which two air masses but different temperature and moisture content meet.

Explanation:

8 0
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State the periodic table
kogti [31]

Answer:

Heres a picture of the periodic table.

Explanation:

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