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aleksandr82 [10.1K]
4 years ago
5

How many degrees of freedom does each of the following systems have? (Answer as a number, i.e., 1, 2, 3, etc.)

Chemistry
1 answer:
Len [333]4 years ago
8 0

Answer:

Explanation:

Hello, since the Gibbs' phase rule states the following equation:

F=C-P+2

Whereas C is the number of components and P the present phases, you answers are:

1. F=1-2+2=1.

2. F=2-2+2=2.

3. F=2-2+2=2.

Best regards.

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The molecular weight (MW) of CuSO4 is 250g/mol. How many grams of CuSO4 are needed to make a 10 ml solution that has a molarity
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Answer:

Explanation:

(The MW of CuSO4 is 250 g/mol).

8 0
3 years ago
Explain why the following is an incorrect IUPAC name. 1,3-Dimethylbutane
Sunny_sXe [5.5K]

Answer:

a. The longest chain is chosen incorrectly.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to firstly draw the structural formula of the 1,3-Dimethylbutane:

CH_3-CH_2-CH(CH3)-CH_2-CH_3

Thus, we can see that the correct name should be 3-methylpentane since the longest chain was chosen incorrectly, as it must have five carbon atoms.

Regards!

3 0
3 years ago
What main type of forces must be overcome between br2 when liquid br2 dissolves into ethanol?
Snezhnost [94]

Dipole-induced dipole forces.

In contrast to C2H5OH, which is a very polar molecule, bromine is non-polar and has zero dipole moment. Charges are separated within polar molecules.

When a nonpolar Br2 molecule interacts with a polar C2H5OH molecule, one half of the bromine molecule acquires a charge and the other half acquires an opposing charge. A dipole is created when two adjacent bromine molecules have different charges. Bromine molecules must thus overcome the intermolecular forces—also known as dipole-induced dipole forces—that form in order to dissolve in ethanol.

Find more on bromine at : brainly.com/question/865727

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8 0
2 years ago
Explain the ingredients of ice-cream, the state and why the state in which it is sold is important​
Eva8 [605]

Answer:

Go on the site named " the chemistry of ice cream ''

Explanation:

https://davidson.weizmann.ac.il/en/online/sciencepanorama/chemistry-ice-cream

4 0
2 years ago
Why is it difficult to classify dissolving as simply a physical or a chemical change?
Afina-wow [57]

Dissolving an ionic compound is a chemical change. In contrast, dissolving sugar or another covalent compound is a physical change because chemical bonds are not broken and new products are not formed .Dissolving a solid in liquid, such as table salt in water, is a physical change because only the state of the matter has changed. Physical changes can often be reversed. ... It has not combined with the water to cause a chemical reaction

6 0
3 years ago
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