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What reaction shows that the formation of NO2 requires 33.1 kJmol?
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What is indicated by formation of gas precipitate release of heat or a color change is?
The formation of gas indicates a chemical reaction producing a gas as a product. Precipitate formation shows the formation of a solid substance from a chemical reaction. Release of heat indicates an exothermic reaction, which releases energy in the form of heat. A color change is indicative of a chemical change where the substances involved absorb or emit light in different parts of the spectrum.
What happens to the entropy in the reaction?
Entropy increases. In a reaction comprised of sub-reactions, some sub-reactions may show a decrease in entropy but the entire reaction will show an increase of entropy. As an example, the formation of sugar molecules by living organisms is a process that shows decrease in entropy at the expense of the loss of entropy by the sun.
What kind of reaction shows two reactants combining to form one new profuct?
combination reaction
What information does a potential energy diagram reveal about a reaction?
It shows whether the reaction is exothermic or endothermic.
What information does the potential energy diagram reveal about reaction?
It shows whether the reaction is exothermic or endothermic.
Which of the following reactions shows that the formation of NO2 requires 33.1 kJ mol?
1/2 N2(g) + O2(g) + 33.1 kJ NO2(g)
Which of the following reactions shows h formation of CO2 releases 393.5 kjmol?
C(s)+O2(g) yields CO2(g)+393.5kJ
Which reaction shows that the enthalpy of formation of H2S is Hf -20.6 kJmol?
The reaction that shows the enthalpy of formation of H2S as -20.6 kJ/mol is: 2H2(g) + S(s) → 2H2S(g) with ΔH = -20.6 kJ/mol. This means that forming 1 mole of H2S from its elements H2 and S releases 20.6 kJ of energy.
What energy profile best shows that the formation of NO2 requires 33.1 kJmol?
Brainly says it’s energy profile B for APEX please correct if i’m wrong.
What are the five observations of chemistry that shows that a chemical reaction have taken place?
Formation of a precipitate; change in color; change in temperature; formation of a gas; emission of light.
which reaction shows that the enthalpy of formation of C2H4 is Hf = 52.5 kJ/mol?
2C(s) + 2H2(g) + 52.5 kJ -> C2H4
What is indicated by formation of gas precipitate release of heat or a color change is?
The formation of gas indicates a chemical reaction producing a gas as a product. Precipitate formation shows the formation of a solid substance from a chemical reaction. Release of heat indicates an exothermic reaction, which releases energy in the form of heat. A color change is indicative of a chemical change where the substances involved absorb or emit light in different parts of the spectrum.
Which of the following reactions shows that the formation of SO2 releases 296.8 kJ mol?
S(s) + O2(g) SO2(g) + 296.8 kJ
Which general equation shows a single-displacement reaction?
The general equation for a single displacement reaction is: A + BC → AC + B. This type of reaction occurs when one element displaces another in a compound, resulting in the formation of a new compound and a free element.
What is the environment that shows changes of matter?
The environment that shows changes in matter is known as a chemical reaction. During a chemical reaction, the atoms and molecules of substances interact and rearrange to form new substances with different properties. These changes can involve the breaking and formation of chemical bonds.
Which reaction shows that the enthalpy of formation of H2S is Hf -20.6 kJ mol?
H2(g) + S(s) H2S + 20.6 kJ
Which reaction shows that the enthalpy of formation of C2H4 is Hf 52.5 kJ mol?
2C(s) + 2H2(g) + 52.5 kJ -> C2H4
