A copper problem Question 1 When copper is exposed to air for a long time, it "tarnishes" which means its surface becomes reddish as it forms a copper oxide coating. It was found that 0.8897 g of copper formed 1.0017 g of the red copper oxide. (a) Use these data to determine the empirical formula of this copper oxide. (Cu20) (b) What is the charge on the copper ion in this compound? (+1)

A copper problem Question 1 When copper is exposed to air for a long time, it "tarnishes" which means its surface becomes reddish as it forms a copper oxide coating. It was found that 0.8897 g of copper formed 1.0017 g of the red copper oxide. (a) Use these data to determine the empirical formula of this copper oxide. (Cu20) (b) What is the charge on the copper ion in this compound? (+1)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Chapter 2 guidelines
Draw a Lewis structure for a compound with a bond order of 2 throughout the molecule.
How many grams of iron(III) chromate contain 4.69 grams of Fe3+?
Consider a 101.3 g sample of the compound manganese(IV) perchlorate. (d)Using the formula Mn(ClO₄)₄ (MM = 452.74), what is the percent by mass of Cl in the compound? (e)how many moles of manganese perchlorate are in 101.3g? (f)How many moles of oxygen are in 101.3 g of manganese perchlorate
7. A compound contains 32.45 % C, 2.72 % H, and 64.83 % O. (a) What is its empirical formula? (Report in the format C₂H,Xz). (b) If its molar mass is 148.1 g/mol, what is its molecular formula?
Write an empirical formula for each of the following:(a) Hydrazine, a rocket fuel, molecular formula N₂H₄(b) Glucose, a sugar, molecular formula C₆H₁₂O
I need answer and the solution how you got the formula
2) How many grams of calcium chloride contains 4.08 x1024 ions of Cl?
Question 2: a) In the following reaction: Ni(s) + MnNO3(aq) → NINO3(aq) + Mn(s) Name the reactants of this reaction. b) For the products of the reaction given above, do you think it will be homogenous or heterogenous? Explain your answer. c) For the reaction above, list the bonds in each of the reactants and products. d) Do you think the pure nickel in the reaction above will have isotopes? Give a reason for why you say yes or no. e) Sodium quickly reacts to form sodium permanganate. What is the chemical formula for this compound?