A. Which group 3 element is the most reactive? Express your answer as a chemical symbol.   B. An oxide of a group 4 element is commonly used as a white pigment in paints, paper, rubber, and plastic and is accepted as the most important

Q: For each of the following sets of reactants, write the balanced equation for the double displacement…

A: Double displacement reaction : When two ionic compounds reacts , their is exchange of respective…

Q: The primary ingredient of Liquid Plumber and other drain cleaners is   A. NaF   B. Mg(SO4)2…

A: Ans : E. (The primary ingredient of liquid plumber and other drain cleaner is sodium hydroxide).

Q: ons: Cr₂O₇²⁻, MnO₄⁻, ClO₃⁻, and BrO⁻. Determine which statement is true. A. The oxidation number of…

A: Oxygen usually has an oxidation number of -2. Now, we have to calculate oxidation number of Cr, Mn,…

Q: 4. 28 mL of a 2.44 M solution of iron(III)nitrate is mixed with 24 mL of a 2.16 M solution of…

A: Writing balanced chemical reaction

Q: 20. You need 0.0100 mole of lead (II) chromate. How much should you weigh on the scale?

A: Molecular mass of HBr=80.94gm So 80.94m=1mole 6.4gm=(1/80.94)×6.4=0.079mole

Q: Which element is the excess reagent when 3.00 moles of Mg is ignited in 2.20 moles of pure oxygen in…

A:

Q: 18. How many grams of TiC14 are needed to produce 0.132 moles of MgCl2? 2 Mg + TiCl A. 6.26 g → Ti +…

A:

Q: 3. How many protons (P), neutrons (N) and electrons (e) are present in Os² that has mass number 190…

A: Given that  Atomic no of element = 79

Q: Indicate the oxidation state of every individual element in the following compounds. c. Na,CO3 f.…

A: We have to indicate the oxidation state of every individual element in given compound.  We can…

Q: Zinc (Zn) metal       in HCl(aq)   Zinc metal before reaction: __________________________…

A:

Q: When hydrogen reacts with calcium metal, what are the oxidation numbers of the calcium and hydrogen…

A: In case of neutral molecules the algebraic sum of the oxidation number of all the atom present in…

Q: Would Ba + Li2O React? 2. Would Cu + NaF React? 3. Would Na + MnF React? 4. Would Li + MgCl2 React?…

A: Given in following question many reactions would react with each other what a chemical reactions…

Q: Match the reactant name with the correct reaction type. Each reaction type may be used only once.…

A: In the combustion reaction oxygen is taken. In the double displacement reaction two elements…

Q: Barium metal was quantitatively precipitated from a 1.52 g sample of BaCl2-2H2O. The mass of the…

A: Given: Mass of the sample BaCl2.2H2O =1.52g Mass of Barium collected = 0.844g

Q: Indicate the oxidation numbers of each element in a compound before writing its chemical formula.…

A: To write the chemical formula of any compund , first write cation which is followed by anion

Q: 3. Which of the following is the correct equations for the reaction of sulfur tetrafluoride? a. S…

A:

Q: 5. Calculate the weight necessary to prepare 1L of 0.05 N Potassium Permanganate (MW: 158.034…

A: 1N potassium permanganate (KMnO4) solution means 1 gram-equivalent KMnO4 is present in 1L solution.…

Q: Directions: Read each item comprehensively and choose the letter of the correct answer. Use a…

A:

Q: None

A:

Q: Determine the oxidation state of the indicated element. a. K4P2O7 - P2 b. Ca(ClO2)2 - Cl c. OF2 -…

A:

Q: 28. Which of the following ions will combine with a chloride ion to produce ammonium chloride? a.…

A: A compound is formed by the electrostatic interaction between the cation and the anion. The cation…

Q: 14. When nonane (C9H20) is burned in oxygen gas, what is the sum of the coefficients in the properly…

A: Since when we burn any hydrocarbon, we get carbon dioxide and water as products. hence the reaction…

Q: Zn is higher than Cu on the Activity Series.  H is between them. A. Cu will cause H2 to form if…

A: In activity series on moving upward electropositivity of metal increases and the metal shows more…

Q: Sodium phosphate undergoes a double replacement reaction with calcium nitrate.

A: Double replacement reaction is reaction cations or the anions of two ionic compound exchanges there…

Q: Which one of the following conversions is an example of reduction? a. Copper (II) oxide to copper…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: Which of the following is an example of a chemical reaction? O a. A jar of liquid left outside on a…

A: The chemical reaction is a process in which one or more substance reacts together and produces…

Q: 10 Chemical bond that forms between nonmetal atom and a metalloid atom. C. Metallic bond D. Hydrogen…

A: 10. A chemical bond is a strong force of attraction holding the atoms or ions together in a…

Q: 11. The following reaction will be: a. 2 y 3 b. 3 c. 2 d. 1

A: Given that : We have to determine the product formed for the above reaction.

Q: 4. The reaction Pb(NO3)2(aq) + 2KI(aq) a. double-displacement reaction. b. synthesis reaction. C.…

A: The given reaction is, Pb(NO3)2(aq) + 2KI(aq) → PbI2(s) + 2 KNO3(aq)

Q: Analyze the reaction below. HNO3 + H₂S →→S + NO + H₂O Are there molecules that have not been…

A:

Q: melal nitride and oxygen ion 14. What are the products during the decomposition of metal…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: What will be the mass of MnO2 that is needed to have an outcome of 25g Cl2?   MnO2+4HCl->2H2O+Cl2…

A:

Q: Which of the following elements is not directly produced in He burning? a. carbon b.beryllium c.…

A: in this, we generally see the triple-alpha process. It is a nuclear fission reaction.

Q: The reaction between aluminium powder and chlorine gas b. The reaction between magnesium oxide…

A:

Q: Dissociation Equation [NaHCO3] = [Na] = [HCO,] =

A: As you have asked for the last three parts of the question. Solving the same for you.  Given in…

Q: Pls help with this question.

A: The balanced chemical equation is given below

Q: - single displacement reaction

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any…

Q: a. Discuss the main product in precipitation reactions. b. Why do we need to write net reactions in…

A: The question is based on the concept of chemical reactions.We need to discuss the main products of…

Q: Indicate the oxidation state of every individual element in the following compounds. i. Na,SO4 1.…

A: Na2SO4 The general oxidation state of Na is + 1 The general oxidation state of O is – 2 Net charge…

Q: transfer a sample copper (approximately 0.04 g) to a test tube . In the hood add about 40 drops of…

A: Given that -  Mass of copper sample = 0.04 g approximately  Amount of 6 M Nitric acid = 40 drops…

Q: Predict the product and write a complete, balanced equation for each reaction. a. Decomposition:…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".