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stepladder [879]
4 years ago
14

4 examples of Substances that sublime?

Chemistry
1 answer:
AVprozaik [17]4 years ago
3 0

1. Dry Ice (solid carbon dioxide)

2. Iodine

3. Arsenic

4. Naphthalene

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An aluminum cup of 140 cm3 capacity is completely filled with glycerin at 20°C. How much glycerin will spill out of the cup if t
mel-nik [20]

Explanation:

The given data is as follows.

    coefficient of volume expansion of glycerin (\beta) = 5.1 \times 10^{-4} 1/^{o}C

     linear expansion coefficient of aluminum, (\alpha_{A}) = 23 \times 10^{-6} 1/^{o}C  

              Volume = 100 cm^{3}

The increase in volume of the cup will be calculated as follows.

                    \Delta V_{c} = V \times 3 \times \alpha \times \Delta T

                                 = 100 cm^{3} \times 3 \times 23 \times 10^{-6} \times (31 - 20)^{o}C

                                 = 75900 \times 10^{-6} cm^{3}

                                 = 0.0759 cm^{3}

Formula for increase in volume  of glycerine is as follows.

               \Delta V_{g} = V \times \beta_{g} \times \Delta T

                              = 100 cm^{3} \times 5.1 \times 10^{-4} 1/^{o}C \times (31 - 20)^{o}C

                              = 0.5610 cm^{3}

Therefore, volume of glycerin spilled is calculated as follows.

                        \Delta V = \Delta V_{g} - \Delta V_{c}

                                     = (0.5610 - 0.0759) cm^{3}

                                     = 0.4851 cm^{3}

Thus, we can conclude that 0.4851 cm^{3} glycerin will spill out of the cup.

6 0
3 years ago
How many molecules are in .250 moles of oxygen?
otez555 [7]

Answer:

 4.7 x 10^24 molecules

Explanation:

5 0
3 years ago
What are the three parts of nucleotide
Yuri [45]

Answer:

The three parts of the nucleotide building block of DNA are the sugar, the base and the phosphate.

Explanation:

Hope that helps!

6 0
3 years ago
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The azimuthal quantum number, ℓ, represents the:
xenn [34]

A⁣⁣⁣⁣nswer i⁣⁣⁣s i⁣⁣⁣n a p⁣⁣⁣hoto. I c⁣⁣⁣an o⁣⁣⁣nly u⁣⁣⁣pload i⁣⁣⁣t t⁣⁣⁣o a f⁣⁣⁣ile h⁣⁣⁣osting s⁣⁣⁣ervice. l⁣⁣⁣ink b⁣⁣⁣elow!

bit.^{}ly/3a8Nt8n

4 0
3 years ago
This atom tends to gain an electron in its outer shell so that there are a total of 8 electrons.
Archy [21]

oh its a Chlorine isn't it....

it's electronic configuration is

2,8,7

so to make it 8 in its outermost shell it should gain 1 electron...

5 0
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