is the gray powdered zinc metal reacts with purple iodine to give a white compound a physical properties or chemical properties

Q: Which of the following statements about concrete is FALSE?

A: Concrete is a mixture of paste and aggregates. The paste is composed of portland cement and water.

Q: liquid c7h8o is burned with oxygen gas to produce gaseous carbon dioxide and water vapor balanced…

A:

Q: Change the following word equation into chemical equation. Write a complete balanced equation for…

A:

Q: True or false, The products are the substances produced by a chemical reaction

A: This is a TRUE statement . explanation:

Q: 1b. Write the chemical equation for the reaction of aqueous solutions of potassium chromate and…

A:

Q: Calcium metal is dropped into water. The products are calcium hydroxide and hydrogen gas.

A: The balanced equation, total ionic equation and net ionic equation of the reaction has to be…

Q: Which type will have two elements as a reactants.

A: Synthesis reaction will have two different elements or molecules as reactants that interact to form…

Q: A student has a sample of an unknown metal solid, labelled 'metal x. The sample is shiny in…

A:

Q: Aqueous solutions of magnesium nitrate and sodium phosphate are mixed together, forming solid…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: A decomposition reaction is a reaction in which two subs

A: A chemical reaction is one when one or more substances combined two forms a new substance this…

Q: Change the following word equation into chemical equation. Write a complete balanced equation for…

A: In a chemical reaction, the left side of the reaction has the reactants and the right side has the…

Q: Aqueous solutions of sodium chloride and silver nitrateare mixed. (The solution turns cloudy white…

A: In Balanced chemical equation number of atoms of each species are equal on both reactant and…

Q: Write the balanced equation for aqueous Copper(II) nitrate reacting with aqueous potassium iodide…

A: For a chemical reaction to be balanced, the number of atom each element or compound should be same…

Q: The precipitating reagent for Group I Cations are

A: Group 1 cations are Ag+, Pb2+ and Hg22+.

Q: Which process is a chemical reaction?(a) Gasoline evaporating from a gasoline tank(b) Iron rusting…

A: A chemical reaction is that process in which one or more reactants react with each other and form…

Q: Precipitation is an example of what type of reaction? * O single replacement Decomposition double…

A: In the precipitation reaction, two solutions of soluble salt are mixed and the product of the…

Q: Which is not balanced?

A: The balanced chemical equation shows equal number of atoms of elements on reactants side and…

Q: hydrogen gas reacting with oxygen to produce water vapor

A:

Q: tion

A: Generally in a chemical reaction, the old bonds in the reactant are broken down and new bond forms…

Q: Write a balanced chemical equation based on the following description: liquid C-HsO is burned with…

A: Given, liquid C7H8O is burned with oxygen gas to produce gaseouscarbon dioxide and water vapor.we…

Q: Which of the following correctly expresses the balanced equation for the following word equation

A: In balance chemical reaction two mole of potassium metal react two mole of water and produced two…

Q: hydrochloric acid + magnesium → hydrogen gas + magnesium chloride List two physical / chemical…

A: The question is based on the concept of chemical reactions. we have to write physical and chemical…

Q: Predict the heat of displacement if iron powder and zinc powder is replaced by magnesium powder.…

A: Heat is released when a more reactive metal displaces a less reactive metal from its salt solution.…

Q: Which of the following is evidence of a chemical reaction?    Group of answer choices…

A: Chemical changes when a new substance is formed through a chemical reaction.

Q: The chemicals that are present before a reaction occurs are called _____, and the chemicals produced…

A: In any reaction,  two types of substance present, one is reactant and other is product. So,

Q: Which of the following represents the generic form of a synthesis reaction?

A: Synthesis reactions are reactions that occur when two different atoms or molecules interact to form…

Q: Use the following term bank to create a: Term Bank H2 KCI Ba(NO,), MgCl, HF Cl, Mg co, Na,So, Baso,…

A: Double displacement reaction : In these reactions, two ionic compounds dissociate into their…

Q: Give the balanced equation for each of the following chemical reactions:

A: Balanced equation for the following chemical reactions are :

Q: Write a balanced chemical equation based on the following description: sodium metal reacts with…

A: sodium metal reacts with chlorine gas to produce solid sodium chloride

Q: Write the Balanced chemical equation for the following: Gaseous ammonia reacts with gaseous hydrogen…

A: Balanced chemical reaction: A chemical reaction in which no. of all the elements in the reactants…

Q: A chemical reaction that has the general formula of AB + C CB+A is best classified as a reaction.

A:

Q: Balance the following chemical reaction.

A: A balanced equation is the equation in which equal number of atoms are present on both the sides of…

Q: What are two evidences that would indicate that a double replacement reaction occurred?

A: Double displacement reaction : It involves the exchange of cations and anions of the reactants.…

Q: (CN), : (CN),rt : P(NH,),P+ :

A: Using concept of electronic configuration of central metal ions.

Q: Gaseous sulfur dioxide reacts with oxygen gas to form sulfur trioxide gas. Express your answer as a…

A: Gaseous sulfur dioxide reacts with oxygen gas to form sulfur trioxide gas. All species are in…

Q: Fill in the blank by the name of the definition: In __________ reaction one element replaces…

A: The reaction is as follows:

Q: Write a balanced chemical equation based on the following description: liquid C₇H₈O is burned with…

A: Balanced reaction is a chemical reaction in which number of atoms for each element in the reaction…

Q: Which of the these is a balanced chemical equation?

A: The correct answer is  Option C - is correct.   C.  2CO(g)  +  O2(g)   gives to  2CO2(g) Both side…

Q: . potassium carbonate + barium nitrate

A: The reactants given are  1) Potassium carbonate i.e K2CO3  2) Barium nitrate i.e Ba(NO3)2

Q: Write a balanced chemical equation for the reaction. Solid Magnesium Oxide is produced by heating…

A: We can write the balanced equation by making each elements equal in product side and reactant side .…

Q: Aluminum metal is produced by passing an electric current through a solution of aluminum…

A: Molar mass of Al2O3 = ( Atomic mass of Al ) X 2  + ( Atomic mass of O ) X 3…

Q: Write a balanced chemical equation based on the following description: butane gas and oxygen gas…

A: Combustion :- When a substance is burnt in excess supply of oxygen then it is called as combustion…

Q: Balance the following chemical reactions

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: For uranium to be used as fuel in nuclear reactors, it should be refined converted to coal mixed…

A: In a nuclear reactor, a nuclear fission reaction takes place. In this reaction, the nucleus of an…

Q: Write a balanced chemical equation based on the following description: solid cesium reacts with…

A: A chemical equation is written to represent a chemical reaction in short hand form. It is basically…

Q: What is the chemical formula for Copper (II) nitrite tetrahydrate

A:

Q: Write a balanced chemical equation based on the following descriptio solid magnesium metal reacts…

A: According to law of conservation of mass, in a chemical reaction mass of products and reactants…

Q: Solid calcium fluoride can also be prepared by the reaction of aqueous solutions of calcium chloride…

A:

Q: Write a balanced chemical equation for the combustion of gaseous propane in gaseous oxygen to…

A: In a chemical reaction, when certain substances react to form insoluble solid substances, such…