What is the "law of conservation of mass" and explain how it relates to why must chemical equations be balanced?

Q: 1. Zn + HCI — ZnClz + Н2 2. CH4 + 02 СО2 + Н20 3. Fe + NaBr → FeBr3 + Na

A: We are authorised to solve first three subparts of a question. Please post rest of the subparts…

Q: The concept of determining which reactant is limiting and which is in excess is akin to determining…

A: Given:Number of bread slices = 36 slicesNumber of cheese slices = 45 slices1 sandwich = 2 slices of…

Q: What three types of information does a balanced chemical equation provide? How?

A: The types of information provided by balanced chemical equation has to be done.

Q: How does a balanced equation satisfy the law of conservation of mass?

A: A balanced equation demonstrates the conservation of mass by having the same number of each type of…

Q: Which of the following models of a chemical reaction BEST represents the law of conservation of…

A: The law of conservation of mass states that the total mass is conserved during the chemical…

Q: If you could drop 12 atoms of copper into a beaker containing nitric acid, how many molecules of NO…

A: Copper, Cu(s) when added to dilute nitric acid, HNO3(aq) produces nitric oxide gas, NO(g).

Q: What is balanced chemical equation? Why should chemical equation be balanced?

A: Chemical equation is a symbolic representation of a chemical reaction. Chemical species present to…

Q: Balanced chemical equations relate reactants and products by what quantity?

A: Concept Introduction: Balanced chemical equation gives the details about the identities (moles) of…

Q: Which of the following is a balanced chemical equation: A) P4H10 + 5H20 -> 4H3PO4 B) 2HCI + 2CACO3…

A:

Q: Ethanol has a molecular formula C2H5OH. A sample of ethanol has a mass of 2.3 grams. The sample was…

A: Since you have posted question with multiple subparts as per guidelines we can answer three . If you…

Q: 4. How do you know when a chemical equation is balanced?

A: The objective of the question asked is to give a valid reason for the situation when the chemical…

Q: Explain the problem with the following statement and correct it. “When a chemical equation is…

A: The given statement is to be corrected by explaining the error with it. The given statement is:…

Q: hat information does a balanced chemical equation provide?

A: The amount of product should be equivalent to the reactant weight in a chemical reaction, as per the…

Q: How do you write out a balanced chemical equation?

A: To write a balanced equation, the reactants go on the left side of the arrow, while the products go…

Q: Why it is important to make sure that the chemical equations are correctly balanced?

A: A chemical reaction is a chemical process where one or more substances converted into one or more…

Q: A chemical plant uses electrical energy to decompose aqueoussolutions of NaCl to give Cl2, H2, and…

A:

Q: The concept of determining which reactant is limiting and which is in excess is akin to determining…

A: The limiting reagent is that reagent which is totally consumed in a chemical reaction and the amount…

Q: Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts…

A: A balanced chemical reaction is a reaction in which the number of atoms of each element is same on…

Q: For the following reactions, give the correct formulas of the reactants and products and balance the…

A: Balanced chemical equation:

Q: How do we balance chemical equations? LAW OF CONSERVATION OF MASS N2 + H2 NH3

A: A balanced chemical equation can be termed as the equation in which all the elements at the reactant…

Q: A 1.500 g sample of a mixture containing only Cu,O and CuO was treated with EXAMPLE B: hydrogen to…

A: Mass of mixture (Cu2O + CuO) = 1.5 gm Pure copper mass = 1.2244 gm The reaction of mixture with…

Q: Explain what the subscript in the formula for a compound indicates. Explain what the coefficient in…

A: Since you have posted multiple short questions, as per our company guidelines we are supposed to…

Q: What are Formula Weights?

A:

Q: Consider the balanced reaction of magnesium and oxygen. 2 Mg + O2 2 MgO What mass, in grams, of MgO…

A: The given chemical reaction between magnesium and oxygen isas follows,  2Mg +O2 →2MgOamount of Mg…

Q: All of the following are true about a balanced equation EXCEPT A It can be used for determining…

A: Interpretation: We have to tell which statement is not true.

Q: Mass of crucible + lid 18.30 08 Y 18.8979g 18.62009 |8.८1१। १ From the data above, calculate the…

A: We are given experimental data for the heating of hydrated MgSO4 salt. All calculations for #1 are…

Q: Calcium Carbonate + Acetic Acid Write the correct chemical formulas of the reactants and products.…

A:

Q: Given the reaction shown below and its corresponding graph, which line represents represents…

A: Given balanced reaction: 2NH3 (g) →N2 (g) + 3H2 (g) Given concentration vs time plot:  We have to…

Q: Translate the following sentences into balanced chemical reaction equations. Nitrogen reacts with…

A: The balanced equation can be defined as the chemical equation in which the number of each atom on…

Q: The concept of determining which reactant is limiting and which is in excess is akin to determining…

A: A chemical reaction in which the reactant molecule that has a lesser number of moles, according to…

Q: In chemistry, what is meant by the term “mole?” What is the importance of the mole concept

A: Mole is a unit to  express the mass, Number and volume of a Substance in Chemistry.  It is a bigger…

Q: Chemical formulas can be written as empirical formulas, molecular formulas, or structural formulas.…

A: The solution is given below -

Q: Balance the following chemical equations, making sure to apply the principle of the law of…

A: "To get remaining sub-parts solved please repost the complete question and mention the sub-parts to…

Q: How many grams of oxygen does it contain? What is the percentage by mass of nitrogen in the…

A:

Q: Can the relative amounts of the components of a mixture vary?Can the relative amounts of the…

A: The compound consists of chemically bounded components. While forming a bond there is a fixed ratio…

Q: Order them in decreasing order of the amount of oxygen. = Chlorate = Hypochlorite = Chlorite E…

A:

Q: What is combustion analysis? What is it used for?

A: Combustion analysis is the method of examining the mass composition of an unknown compound which has…

Q: When the following molecular equation is balanced using the smallest possible integer coefficients,…

A: In a balanced chemical equation the number of atoms of each element involved in the reaction is…

Q: The concept of determining which reactant is limiting and which is in excess is akin to determining…

A: In a chemical reaction, two or more reactants react with each other to form a new substances. This…

Q: Explain Composition of Compounds?

A: Atomic theory explains the constant composition of chemical compounds. It is also known as Law of…

Q: The concept of determining which reactant is limiting and which is in excess is akin to determining…

A: The ingredient that holds least quantity in the product preparation is referred as "limiting…

Q: Differentiate molecular, empirical, and structural formula of chemical compounds.

A: The molecular, empirical and structural formula has to be differentiated.

Q: All of the following are true about a balanced equation EXCEPT A It is necessary for doing…

A: Interpretation- All of the following are true about a balanced chemical equation except -…

Q: 7. Products are the substances at the beginning of chemical reactions. 8. Chemical equations shows…

A: Reactions in which chemical composition of reactants change are called chemical reactions. For…

Q: Level 1: 1. Phosphorus and hydrogen combine to form phosphine. Pas) + 6 Hzie) → 4 PH3le). (This is…

A: Given question is based on the principle of balancing of chemical equation. We should know that,…

Q: Balance the equations below, being sure to first convert the chemical names into formulas. Show all…

A:

Q: Explain the different ways to represent compounds. Why are there so many?

A: Properties of compounds are different from properties of elements that compose them.

Q: A mineral sample is obtained from a region of the country that has high arsenic contamination. An…

A:

Q: How does a balanced chemical equation apply the law of conservation of mass?

A: According to Law of conservation of mass, mass is neither created nor destroyed. The mass of…

Q: One mole of sucrose, C12H22O11, contains _________________ molecules of sucrose

A: