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2Na(s)+Cl2 (g)---> 2NaCl (s)
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Which of the following is an example of an exothermic reaction?
does it matter? an exothermic reaction has heat as a biproduct of the product while an endothermic reaction has heat as a part of the reactants. meaning heat is released in exothermic and absorbed in endothermic
The reaction type that has only one reactant is?
The reaction type that has only one reactant is called a unimolecular reaction. In a unimolecular reaction, a single reactant molecule undergoes a chemical transformation to form one or more products. An example of a unimolecular reaction is the thermal decomposition of a single molecule.
What is an indicator of a chemical reaction?
A visible change in color, formation of a precipitate, evolution of gas, or change in temperature are indicators of a chemical reaction. These changes typically signify that the chemical composition of the substances involved in the reaction has been altered.
What is a neutralization reaction give an example?
A neutralization reaction is a chemical reaction between an acid and a base that results in the formation of water and a salt. One example is the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) to form water (H2O) and sodium chloride (NaCl) salt.
Which element decreases its oxidation number in the following reaction?
An element that decreases its oxidation number in a chemical reaction is undergoing reduction. In the given reaction, the element that is reduced is the one that gains electrons and decreases its oxidation number.
What is a Composition reaction?
There are many simple and elementary composition reactions in chemistry. The combustion of ethane (CH4) to produce carbon dioxide (CO2) and water (H2O) is one such example. The formula for this reaction is (O2 is oxygen gas):CH4 + 2O2 = CO2 + 2H2O
Which one of the following is a correct example of the singular possessive case who's job audience's reaction king's rights women's club?
The correct singular possessive nouns are:audience's reaction (the reaction of one audience)king's rights (the rights of a king)
How long does it take to stop a truck going 55 mph?
The answer depends on all of the following: -- driver's reaction time -- weight of the truck -- condition of the brakes -- composition, tread-pattern, and condition of the tires -- composition and condition of the pavement Change any one of these, and you change the answer to the question.
What is a psyhical reaction?
A physical reaction, or change, is one that can be observed without changing the chemical composition of the substance. Boiling is a physical change because the substance that is boiling does not change its chemical composition. For example, water is still H2O whether it is boiling or not boiling.
Which of the following is one of the four steps of the reaction process?
clasified
Which of the following is an example of an exothermic reaction?
does it matter? an exothermic reaction has heat as a biproduct of the product while an endothermic reaction has heat as a part of the reactants. meaning heat is released in exothermic and absorbed in endothermic
Give you one example of composition of Schumann?
Piano Concerto in A minor
What a plant or animal does after receiving a stimulus is an example of a?
What a plant or animal does after receiving a stimulus is an example of a reaction. If the stimulus is unexpected, the reaction is an involuntary one.
How do you read the composition of a molecule?
For example there is H20 there are two hydrogen & one oxygen
What is chemical reaction physical reaction?
A physical change is one in which the chemical composition of the substance does not change. A chemical change is one in which new products are formed with their own unique chemical compositions and properties.
Which one of the following is a correct example of the singular possessive caseA women's club B audiences' reaction C who's job D king's rights?
The following needs to be given for a person to know the answers. There really is not a way to know which is a correct example unless the examples are known.
Is Reactivity to vinegar is an example of physical property?
Yes, reactivity to vinegar is an example of a physical property because it describes how a substance behaves without altering its chemical composition. In this case, the reaction between vinegar and a substance demonstrates a physical change rather than a chemical one.
