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denis23 [38]
3 years ago
6

The state of matter that has molecules with the least random molecular arrangement:

Chemistry
1 answer:
Ksenya-84 [330]3 years ago
5 0
Gas. Molecules in gas are able to move and vibrate around each other more freely than the molecules in liquids and/or solids due to the great amount of space in between them. Hope this helps! :)
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¿de que manera se relacionan las fuerzas intermoleculares con la flotabilidad del hielo?
garri49 [273]

La estructura del hielo, forma un retículo que ocupa más espacio y es menos denso que el agua líquida. Cuando el agua se enfría, se contrae su volumen, como sucede en todos los cuerpos, pero al alcanzar los 4ºC cesa la contracción y su estructura se dilata hasta transformarse en hielo en el punto de congelación. Por eso el hielo es menos denso que el agua y flota sobre ella. Gracias a esta anomalía del agua, los lagos, ríos y mares, comienzan a congelarse desde la superficie hacia abajo, y esta costra de hielo superficial sirve de abrigo a los seres que viven, pues aunque la temperatura ambiental sea extremadamente baja (-50 0 -60º C), el agua de la superficie transformada en hielo mantiene constante su temperatura en 0ºC. Y el agua del fondo queda protegida térmicamente del exterior, y puede alcanzar los 4º o 5ºC, que son suficientes para la supervivencia de ciertas especies. En esta propiedad se basan los esquimales para construir sus casa de hielo (iglúes).

7 0
3 years ago
Consider the reaction below. CO(g) + Cl2(g) « COCl2(g) What is the most likely effect to the forward reaction if there is an inc
marysya [2.9K]
Answer: the reaction rate of the forward reaction increases (although it is not among the options shown).

Explanation:

1) The equation given is:

CO (g) + Cl₂ (g)  ⇄ COCl₂ (g)

2)  The forward reaction is:

CO (g) + Cl₂ (g)  → COCl₂ (g)

3) The stoichiometry is 1 mole + 1 mole → 1 mole

4) Analysis and conclusion:

The effect of change in the conditions of an equilibrium is foreseen using Le Chatelier's principle.

Le Chatelier's principle states that a system in equilibrium will act trying to compensate the distress applied to the system.

In this case, the distress is increase in pressure.

To compensate the increase in pressure the system must act by reducing the number of moles in the system. Since the forward reaction implies the conversion of two moles of reagents into one mole of product, the more the forward reaction progress the less the number of moles will be present in the system and so the more the compensation of the increase in pressure. So the forward raction is favored by the increase in pressure.

Favoring the forwar reaction means that its rate will incrase,

3 0
3 years ago
Read 2 more answers
Atoms are the particles that all matter is made from.
djyliett [7]
A they become molecules
7 0
3 years ago
What air pressure would be needed for water to boil at 80°C
True [87]
47 Kpa would bw the pressure needes
3 0
3 years ago
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WHAT MASS OF WATER WILL BE PRODUCED FROM 2.70 MOLES OF CA(OH)2 REACTING WITH HCI
Keith_Richards [23]

<u>Answer:</u> The mass of water produced in the reaction is 97.2 grams

<u>Explanation:</u>

We are given:

Moles of calcium hydroxide = 2.70 moles

The chemical equation for the reaction of calcium hydroxide and HCl follows:

Ca(OH)_2+HCl\rightarrow CaCl_2+2H_2O

By Stoichiometry of the reaction:

1 mole of calcium hydroxide produces 2 moles of water

So, 2.70 moles of calcium hydroxide will produce = \frac{2}{1}\times 2.70=5.40mol of HCl

To calculate mass for given number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

Molar mass of water = 18 g/mol

Moles of water = 5.40 moles

Putting values in above equation, we get:

5.40mol=\frac{\text{Mass of water}}{18g/mol}\\\\\text{Mass of water}=(5.40mol\times 18g/mol)=97.2g

Hence, the mass of water produced in the reaction is 97.2 grams

3 0
4 years ago
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