Consider the unbalanced chemical equation for the reaction which is used to determine blood alcohol levels: H1+ + Cr2O72− + C2​H6O → Cr3+ + CO2​ + H2​O Balance the equation using the smallest whole number coefficients. What is the coefficient in front of carbon dioxide in the balanced chemical equation? Is it... 2 1 3 4 or none of the above

Q: Silicon, which occurs in nature as SiO2, is the material from which most computer chips are made. If…

A: When two reactive compounds are mixed, then they react according to the stoichiometry of the…

Q: In copper reaction, phosphoric acid is used to dissolve the copper wire. Theoretical yield is a…

A: Statement 1 : In copper reaction,  Phosphoric acid is used to dissolve the copper wire. Statement 2…

Q: - Consider the unbalanced chemical equation. electrical current H2(g) + O2(g) A chemistry student…

A: Balanced equation: If the number of atoms of the same kind present on both the reactant side and…

Q: Balance the reaction between H3ASO4 and Cr to form HASO₂ and Cr³+ in acidic solution. When you have…

A: Oxidation is lose of electrons. Reduction is gaining of electrons. The reactions where oxidation and…

Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are…

A: When the solutions of two ionic compounds are mixed, the resulting solution will form a precipitate…

Q: 4. Determine the number of moles and the mass (in kg) of Copper (I1) Carbonate needed to decompose…

A: Copper(II) carbonate decomposes into copper(II) oxide and carbon dioxide. The equation for the…

Q: Consider the reaction of iron (III) chloride and sodium hydroxide to form iron (III) hydroxide and…

A: The question is based on the concept of solubility product principle. It states that when a weak…

Q: A group of Physics students have come to your chemistry class and asked for assistance creating a…

A: Precipitate is the insoluble substance formed after the reaction.

Q: The

A: A synthesis reaction is a reaction that involves the formation of a substance, it means that it is…

Q: For the reaction : MgCl2+ 2KNO3 = products  what is the net ionic equation?

A:

Q: Since 1982 pennies change from being pure copper to Zinc with a copper coating. On average there is…

A: Given data,Mass of Zn=3.10gMass of HCl=4.0g

Q: Balance the chemical equation. Note that you must select "1" if that is the correct coefficient,…

A: Here we are required to balance the given reaction

Q: A student adds a solution of ethanoic acid to zinc carbonate in an open flask on a balance. Explain…

A: Reaction- when zinc metal is added to acetic acid (ethanoic acid)it will give salt +hydrogen gas…

Q: Balance the following equation that takes place in basic aqueous solution. Place the numerical value…

A:

Q: A reaction is performed in a lab whereby two solutions are mixed together. The products are a liquid…

A: The actual yield is is the actual (ideal) amount of a product species which is produced during the…

Q: Write balanced equations (with states) for the reactants below. Indicate if the reaction will not go…

A: The chemical equations should be balanced in accordance with the law of conservation of mass. This…

Q: Write a balanced chemical equation based on the following description: solid barium carbonate…

A: A chemical reaction is symbolic representation of the conversion of substances to new substances. In…

Q: balance this chemical reaction        ____ C6H12O6   +         ____O2   →        ____ C6H10O6 +…

A: Given reaction is, ____ C6H12O6   +         ____O2   →        ____ C6H10O6 +        ____ H2O2

Q: balance this chemical reaction        ____  C6H11NO3S →       ____  C3H5OS +       _____  C3H6NO2

A: The balanced equation is shown below.

Q: Chromium(III) ions are very poisonous. They can be removed from solution by precipitating very…

A:

Q: Now balance the chemical reaction by providing the correct whole number coefficients: butane (C4H10)…

A: Butane reacts with oxygen and form carbon dioxide and water . For balancing the reaction,  one has…

Q: What is the balanced equation for the experiment hot ice (sodium acetate)? ***For example: The…

A:

Q: why is it important to know how to balance chemical reactions?

A: We should know the importance of balancing the chemical reactions because   the law of conservation…

Q: Part 2 - Balance the following chemical reactions and identify the type of reaction. 1. H2 + H,0…

A: Solution- 1. 2H2 + O2 → 2H2Otype of reaction -synthesis reaction/ Combinatin reaction2. H2SO4 + Zn →…

Q: Correctly balance the following chemical equation. When there is no coefficient to add enter the…

A: Balanced chemical equation :- A chemical equation is said to be balanced if it has equal number of…

Q: 5. Combustion reaction – When a compound containing C and H or C, H, and O is burned in the presence…

A:

Q: Balance the following reaction   _____ C5H10O           +     _____O2           ------->…

A: The balanced chemical reaction is below -->   C5H10O + 7O2 → 5CO2 + 5H2O   When C5H10O is treated…

Q: An unbalanced chemical reaction is shown. ___SnCl4  +  ___Fe  ‑‑>  ___SnCl2  +  ___FeCl3 When the…

A:

Q: An aqueous solution containing 9.41 g of lead(II) nitrate is added to an aqueous solution containing…

A: we have to write the balanced equation for the reaction and calculate  limiting reagent  mass of…

Q: A common demonstration in chemistry courses involves adding a tiny speck of magnesium(IV) oxide to a…

A: The reaction is a decomposition reaction in which H2O2 reacts in the presence of catalyst magnesium…

Q: Balance this unbalanced equation by entering only whole numbers into the blank. If the molar…

A:

Q: Consider the following reaction: ___ HCl (aq) + ___ Ca(OH)2 (aq) ---> ___ CaCl2 (aq) + ___ H2O (l) .…

A: For balancing a chemical reaction, number of atoms of a particular element must be same in both side…