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What is the oxidation state of Cl in HClO3?
+5. In oxyacids, oxygen has an oxidation state of -2 and hydrogen an oxidation state of +1. Therefore, the single chlorine atom must have an oxidation state of +5 for the total oxidation states to add to zero.+5. In oxyacids, oxygen has an oxidation state of -2 and hydrogen an oxidation state of +1
How many molecules are in 3 grams of nail?
It is not possible to determine the number of molecules in 3 grams of nail without knowing the chemical composition of the nail. The number of molecules present would depend on the elements and compounds that make up the nail.
How cleaning copper tarnish off a penny relates to chemistry?
Tarnish can be removed from a penny by physical means; however, this tends to damage the coin and would not be an acceptable way of handling antique or valuable items. Tarnish itself consists of a number of copper compounds formed from elements and compounds that copper items come into contact with, even those that exposed only to the atmosphere. Some knowledge of chemistry is important to knowing what these compounds are, and how they might be removed, without damage being done to coins in the process.
How can one determine the relative humidity by using the temperature as a reference point?
To determine relative humidity using temperature as a reference point, you can use a psychrometric chart or an online calculator. By knowing the temperature and the dew point, you can calculate the relative humidity. The relationship between temperature and relative humidity is important in understanding the moisture content in the air.
Can the mass number of an element be used to determine the number of electrons in an atom?
No, the mass number of an element represents the total number of protons and neutrons in the nucleus, but it does not provide information about the number of electrons. The number of electrons in a neutral atom is equal to the number of protons in the nucleus.
What is the result of this oxidation?
Without knowing the specific compounds involved in the oxidation reaction, it is impossible to determine the exact result. Oxidation reactions typically involve the loss of electrons or an increase in oxidation state of an atom. The final product will depend on the reactants and conditions of the reaction.
How does oxidation numbers determine the number of atoms?
Oxidation numbers indicate the charge of an atom in a compound. By comparing the oxidation numbers of different atoms in a compound and knowing their charges, you can determine the number of atoms involved in the reaction or compound. These numbers help balance chemical equations and determine the stoichiometry of a reaction.
What is the chemical formula and oxidation number of each ion in the compound First ion and the second ion is?
The chemical formula depends on the specific ions mentioned. Without knowing the ions, we cannot determine the formula or oxidation numbers. Can you provide the ions you are referring to?
Why must oxidation numbers be assigned to the elements before writing a chemical formula?
The oxidation numbers of the elements in a chemical formula, some of which will be positive and others of which will be negative, when multiplied by the numbers of atoms with each oxidation number, must produce products that add to a net result of zero.
What are the practical uses of knowing about elements and compounds?
ewan
What is the oxidation number of MnO2?
The oxidation number of Mn in MnO2 is +4. This is determined by assigning oxygen an oxidation number of -2, and knowing that the overall charge of the compound is zero.
What is the use of the Dumas method?
The Dumas method is used to determine the nitrogen content in organic compounds. It involves combustion of the sample at high temperatures to convert the nitrogen into nitrogen gas, which is then collected and measured. By knowing the mass of the sample and the amount of nitrogen gas produced, the nitrogen content of the original compound can be calculated.
Knowing or doing which of these will determine how you organize your ideas?
purpose
What is the oxidation state of cl in clo2?
The oxidation state of Cl in ClO2 is +3. This is determined by assigning oxygen an oxidation state of -2 and knowing that the overall charge of the compound is 0. Since there are two oxygen atoms with an oxidation state of -2 each, the oxidation state of Cl must be +3 to balance it out.
What is the oxidation number of N in KNO3?
+1 for K -2 for each O +5 for N
Identify the three factors that can determine?
It will be impossible to answer this question accurately without knowing what the questioner wants to determine.
What is the oxidation number of the sulphur atom in SO3?
The oxidation number of the sulfur atom in SO3 is +6. Each oxygen atom is assigned an oxidation number of -2, so by balancing the charges and knowing that the overall charge of the molecule is 0, sulfur must have an oxidation number of +6.
