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Darya [45]
4 years ago
14

Which of the following elements do you expect to be most like sulfur?

Chemistry
2 answers:
sesenic [268]4 years ago
6 0
Nitrogen , oxygen , lithium and potassium. i am not sure though.
Anna [14]4 years ago
5 0

Answer:

oxygen

Explanation:

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Qualitatively estimate the relative melting points for each of the solids, and rank them in decreasing order. Rank from highest
baherus [9]

Answer:

The order is

Quartz > Calcium > Ammonia > Chlorine

Explanation:

Among given compounds

Quartz is a covalent compound with extensive bondings and thus it will have highest melting point

Calcium is a metal so it will have strong metallic bonds thus will have high melting point, however less than quartz.

ammonia is a polar molecule with weak hydrogen bond as intermolecular interactions thus will have higher melting point than chlorine

chlorine is a non polar molecule with weak intermolecular london dispersion forces.

3 0
4 years ago
Use combined gas law..
djyliett [7]

Answer:

When Avogadro's law is added to the combined gas law, the ideal gas law results. Unlike the named gas laws, the combined gas law doesn't have an official discoverer. It is simply a combination of the other gas laws that works when everything except temperature, pressure, and volume are held constant i think it is right

Explanation:

6 0
3 years ago
The chemical reaction of photosynthesis naturally occurs in the presence of sunlight because the light.....
aliina [53]

Answer:

helps in photosynthesis

Explanation:

when there is the presence of light the photosynthesis is dine

4 0
3 years ago
The atom in a sample of an element must contain nuclei with the same number of?
slava [35]
Hey there! 

Answer: Protons 

The atom in a sample of an element must contain nuclei with the same number of protons. If the protons change in number, then the element will modify as well. 

Thank you!
7 0
3 years ago
In order to separate the components of a binary mixture, the relative volatility should be a) less than unity b) equal to unity
Tresset [83]

Answer: Option (c) is the correct answer.

Explanation:

A binary mixture is defined as the mixture which contains two components in the aqueous medium. The two components are solute and solvent.

And, volatility is defined as the ability of a liquid solution or substance to readily change into vapors.

For a binary solution the expression for relative volatility is as follows.

              \alpha = \frac{\frac{y_{i}}{x_{i}}}{\frac{y_{j}}{x_{j}}} = K_{i}/K_{j}

where,    \alpha = relative volatility of more volatile component i

               y_{i} = vapor-liquid equilibrium concentration of component i in the vapor phase

               x_{i} = vapor-liquid equilibrium concentration of component i in the liquid phase

                y_{j} = vapor-liquid equilibrium concentration of component j in the vapor phase

                 x_{j} = vapor-liquid equilibrium concentration of component j in the liquid phase

So, when \alpha > 1 then separation by distillation is easier in nature.

Thus, we can conclude that in order to separate the components of a binary mixture, the relative volatility should be greater than unity.

8 0
3 years ago
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