4. Arrange the following acids in increasing acidity.-СООН"СООНCI--СООНCICII.I.III.А. I,П,Ш В. П, І, II С. Ш, І, ID. I,II, І

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Answered: Ing -СООН СООН CI- -СООН CI I. II. II.…

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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A student, Ken, is given a mixture containing two carbonate compounds. The mixture includes MgCO, and (NH, ),CO,. The mixture is 69.14% CO, is by mass. What is the mass percent of MgCO, in the mixture? mass percent of MgCO,: とTOOLS x10 3,438 19 ON A tv MacBook Air DD 80 000 000 F12 F8 F9 F10 F11 F7 of
Consider these compounds: A. Ba3(PO4)2 B. Ca3(PO4)2 C. PbCrO4 D. CaCrO4 Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine that barium sulfite is more soluble than _________, and barium sulfite is less soluble than ______ It is not possible to determine whether barium sulfite is more or less soluble than _________ by simply comparing Ksp values
Valuable minerals (chemicals) can be obtained from ores, which are natually occuring mixtures. One ore cotains 38% magnetite, a mineral with the chemical formual Fe3O4. Fe3O4 contains 72.4% iron. What mass of ore (in tons) would contain 3.5 tons of iron? (Hint: your mass percent conversion factors can have units of tons) *Mass percent values used in calculations should be written as conversion factors with units & labels
2. In Alice's Wonderland, every element is different from those in our world. There is a pure unknown compound that consists of element 2 (atomic mass: 22.01 amu) and clement ¥ (atomic mass: 3.13 amu). After elemental analysis of the compound, you discovered that it consists of 70.1 wt. % of clement N and 29.9 wt. % of element V. Answer the following questions. A. What will be the empirical formula of the compound? B. What will be the molecular formula of the compound if the molecular mass of the compound is 94.2 amu?
Consider these compounds: A. PbBr2 B. Ag,Cro4 C. Pb3(PO4)2 D. Ca3(PO4)2 Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine that zinc phosphate is more soluble than phosphate is less soluble than and zinc It is not possible to determine whether zinc phosphate is more or less soluble than | by simply comparing Ksp values.
2 NazPO4 ( ) + _CaCl2 ( ) NacI ( )+ Ca3(PO4)2 ( ) The spectator ions in this equation (after balancing and filling in the states of matter) are (Be sure to include coefficients & chemical symbols, as well as the charges of the ions. No need to worry about making the charges subscript or typing ^ for these.) and
8. A mixture of sand and NH,Cl can be separated by method. 9. Define latent heat of fusion. Give its value for ice. 10. What is meant by atomicity of an element? Give some examples of polyatomic elements. 11. “All pure substances are homogenous. But all homogenous substances are not pure." Justify. 12. Distinguish between filtration and centrifugation. 13. Silver is a substance which expands on melting; so, its melting point when pressure is raised. 14. Give an example each for solid-liquid and solid- solid types of a homogenous mixture. 15. The atomicity of the element phosphorus is
a. Br₂(l) is [Select ] b. C8H18(l) is [Select] c. AgCl(s) is [Select] d. PCI (s) is [Select] Question 6 in C6H₂(1) A in C₂H6(1) in C6H6(1) ✓in CH₂(1) What is the mass percent of potassium chloride when 9.35 grams of potassium chloride is 162.98 grams of water? Choose the answer with the appropriate significant figures and c
1. a) Calculate the mass percent of NaHCO3 based on the manufacturer's list of ingredients: 325 mg aspirin, 1000 mg citric acid, 1916 mg NaHCO3. Use the average mass of a whole tablet provided by your instructor. Average mass of whole Alka-Seltzer® tablet = 3.2g 1. b) Mass % of NaHCO3 in a whole tablet (%)
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A 4.5364 g sample of barium chloride dihydrate is placed in a beaker with an empty mass of 65.6433 g and heated to an anhydrous form. The combined mass of the residue and the beaker is 66.4405 g. What is the mass of water driven off during heating?

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Ing -СООН СООН CI- -СООН CI I. II. II. 4. I,II,Ш В. П, І, II С. Ш, І, I D.II,Ш, І