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olya-2409 [2.1K]
3 years ago
12

Under what pressure did 10L of gas change to if the original pressure was 4 atm on 3L?​

Chemistry
1 answer:
cluponka [151]3 years ago
3 0

Answer:

11111

Explanation:

1110001001

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Why did scientists need to establish an international language for elements
Liono4ka [1.6K]
If they didn't, they wouldn't be able to communicate their findings effectively. An international language is especially important for elements because many elements have similar properties (e.g. some of the transition metals).
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3 years ago
At 298 K and 1 atm, bromine is a liquid with a high vapor pressure, whereas chlorine is a gas. This provides evidence that, unde
Galina-37 [17]

Explanation:

In liquids, the molecules are held by less strong intermolecular forces of attraction as compared to solids. Due to which they are able to slide past each other. Hence, they have medium kinetic energy.

In gases, the molecules are held by weak Vander waal forces. Hence, they have high kinetic energy due to which they move rapidly from one place to another leading to more number of collisions.

So, when at 298 K and 1 atm Br_{2} exists in liquid state and Cl_{2} exists as a gas then it means there occurs strong force of attraction between the molecules of Br_{2} due to which it exists in liquid form.

Thus, we can conclude that at 298 K and 1 atm, bromine is a liquid with a high vapor pressure, whereas chlorine is a gas. This provides evidence that, under these conditions, the forces among Br_2 molecules are greater than those among Cl_2 molecules.

3 0
3 years ago
Helium (He), oxygen (O), carbon (C), and selenium (Se) are all nonmetals. Using the periodic table, which pair of these nonmetal
Lisa [10]
Using the periodic table, the pair of non metals that has the most similar properties would be :
Oxygen and Selenium
at the periodic table, these both located on the same period

hope this helps
7 0
3 years ago
Read 2 more answers
Use the data below to answer questions 1 - 2. To study heat transfer, a group of students conducted the following experiment. Th
Afina-wow [57]
Its heat will flow from both cups
6 0
3 years ago
What distinguishes two different isotopes of an element is the number of neutrons contained in their nucleus. how many protons a
12345 [234]
The Atomic Number and Atomic Mass of ¹⁸O₈ are 8 and 18 respectively.

Atomic Number:
                         Atomic Number of Element is the Number of Protons contained by the Element. So, there are 8 Protons in ¹⁸O₈.

Atomic Mass:
                     Atomic Mass of Element is the total number of Protons and Neutrons present in the Nucleus of that element.
So,
                    Atomic Mass  =  # of Protons + # of Neutrons

As the Atomic mass of ¹⁸O₈ is 18 and it has 8 protons, So # of Neutrons are calculated as,

                     # of Neutrons  =  Atomic Mass - # of Protons

                     # of Neutrons  =  18 - 8

                     # of Neutrons  =  10

Result:
             In ¹⁸O₈ Number of Neutrons are 10, Number of Protons are 8.

                                             Z  =  8 , n  =  10
6 0
3 years ago
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