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Yuki888 [10]
3 years ago
12

Why do Metals have high melting point and boiling points

Chemistry
1 answer:
hjlf3 years ago
6 0

As there is a strong electrostatic force of attraction between the positive metal ions and the negatively charged electrons, more energy is needed to overcome these forces of attractions and hence, high melting and boiling points

Hope this will help you

If so, do make this a brain lister :)

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The heat of fusion for water is the amount of energy that must be absorbed for water to ___. a.evaporate b.freeze a.boil d.melt
Vikki [24]
The answer would be A. Evaporation. Heat of fusion in any types of matter is the amount of heat transfer to a matter that allows it to change its form by gathering or absorbing an amount of heat that could change is form either its from solid to liquid, liquid to gas or vice versa. 
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3 years ago
Which element is most chemically similar to chlorine
Rus_ich [418]
Halogen, Fluorine, or bromine
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Identify the products in the reaction HCl+NaOH=NaCl+H2O
valentina_108 [34]

NaCl and H2O.

The products are typically the elements/compounds on the right side of the equation or the right side of the arrow. The left side of the arrow would be the reactants of the equation.

Hope this helps!

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3 years ago
A gas originally at 27 °c and 1.00 atm pressure in a 2.6 l flask is cooled at constant pressure until the temperature is 11 °c.
elena55 [62]
Charles law gives the relationship between volume and temperature of gas at constant pressure 
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where V - volume T - temperature and k - constant 
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parameters for the first instance are on the left side of the equation and parameters for the second instance are on the right side of the equation
T1 - temperature in Kelvin - 27 °C + 273 = 300 K
T2 - 11 °C + 273 = 284 K
substituting the values in the equation 
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New volume of the gas is 2.46 L
8 0
3 years ago
Which scientist explained why binary stars change colors
Vinvika [58]

Answer:

This is because of scintillation ("Twinkling") as the light passes through the atmosphere of the Earth. As the air moves in and out, the starlight is refracted, often different colors in different directions. Because of this "chromatic abberation," stars can appear to change colors when they are twinkling strongly.

Explanation:

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