Hello, and this is my own words Periodic trends are specific patterns in the properties of chemical elements that are revealed in the periodic table of elements. Major periodic trends include electronegativity, ionization energy, electron affinity, atomic radii, ionic radius, metallic character, and chemical reactivity.
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Answer:
A liquid
Explanation:
Liquids has an indefinite shape, which means it could change from one shape to another. For example, if you pour water into a rectangular fish tank. The shape of the liquid changes into a rectangle. Definite volume means its volume is consistent and that it is unchangeable. If you fill the rectangular fish tank with water, the volume of the water stays the same even though it changes shape.
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In the RGB color model, each color is represented by a numerical code that is written in parentheses and separated by commas.
<h3>What is the RGB model?</h3>
RGB is a color model with which it is possible to represent a color by mixing by adding the three primary colors of light.
A special feature of this model is that it is not a reference point for defining the color red, green, or blue because the same RGB values can display noticeably different colors on different devices.
To form a color, it must be taken into account that in the RGB model the incidence of each color (red, green or blue) is measured on a scale that goes from 0 to 255.
These values are represented in parentheses, separated by commas as shown in the image below:
Learn more about RGB in: brainly.com/question/19262252
Explanation:
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Answer:
The answers are in the explanation
Explanation:
A. For the reaction:
CO(g) + H₂O(g) ⇌ CO₂(g) + H₂(g); ΔH°=−41kJ.
As the reaction is exothermic ( ΔH°<0), you need to use low temperature to increase the equilibrium yield of hydrogen -LeChatelier's principle-.
We would use <em>low </em>temperature. For an <em>exothermic </em>reaction such as this, <em>decreasing </em>temperature increases the value of K and the amount of products at equilibrium.
B.
c. No. We cannot increase the equilibrium yield of hydrogen by controlling the pressure of this reaction.
It is possible to increase the equilibrium yield of reaction by controlling the amount of reactants added. As reactants and products are gases, the pressure of the reaction will not change the amount of reactants or products in the equilibrium.
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