15. Which of the following is an amphoteric substance?a. NaCl(aq)b. HCl(aq)c. H2SO4(aq)d. H2PO4 (aq)е. NaOHaq)16. Which of the following would NOT react with a solution of hydrochloric acid?a. Silverb. Magnesiumc. Sodium hydroxided. Iron17. An experiment is conducted to determine the formula for a sample of a magnesium sulfate hydrate. Theexperiment begins with o.965 mol of hydrated sample, and o.12 mol of anhydrous magnesium sulfateremains after the heating is complete. What is the value of X in MgSO4-XH2O?а. 10с.7d. More information is neededb. 818. The table to the right shows ist, 2nd, and3rd ionization energies for 3 elements. Whichof the following would be an alkali metal?a. Element Xb. Element Y2nd (kJ/mol)1st (kJ/mol)5893rd (kJ/mol)Element X11454912Element Y100022523357Element Z520729811815с.Element Zd. d. None of the above19. What is the conjugate acid in the following chemical equation?→ H20 + CO32-b. ОН-HCO3OH-+а. НСО3с. Н.Оd. CO3-20. Given the following reaction, how many L of nitrogen gas will be produced by the reaction of 4.00 L of NOwith 8.00 L of H2?2NO(g) + 2H2(g) → N2(g) + 2H20(g)b. 8.00 Lа. 4.00 Lс. 2.00 Ld. 12.00 L

Amphoteric species : the species that act as both acid as well as base . In simple words , the…

15. Which of the following is an amphoteric substance? a. NaCl(aq) b. HCl(ag) c. H2SO4(aq) d. H2PO4(aq) e. NaOH(ag) 16. Which of the following would NOT react with a solution of hydrochloric acid? a. Silver b. Magnesium c. Sodium hydroxide d. Iron 17. An experiment is conducted to determine the formula for a sample of a magnesium sulfate hydrate. The experiment begins with o.965 mol of hydrated sample, and o.12 mol of anhydrous magnesium sulfate remains after the heating is complete. What is the value of X in MgSO4-XH¿O? а. 10 b. 8 с. 7 d. More information is needed

15. Which of the following is an amphoteric substance? a. NaCl(aq) b. HCl(ag) c. H2SO4(aq) d. H2PO4(aq) e. NaOH(ag) 16. Which of the following would NOT react with a solution of hydrochloric acid? a. Silver b. Magnesium c. Sodium hydroxide d. Iron 17. An experiment is conducted to determine the formula for a sample of a magnesium sulfate hydrate. The experiment begins with o.965 mol of hydrated sample, and o.12 mol of anhydrous magnesium sulfate remains after the heating is complete. What is the value of X in MgSO4-XH¿O? а. 10 b. 8 с. 7 d. More information is needed

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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Concept explainers

Ionic Equilibrium

Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.

Arrhenius Acid

Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.

Bronsted Lowry Base In Inorganic Chemistry

Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.

Question

15. Which of the following is an amphoteric substance?
a. NaCl(aq)
b. HCl(aq)
c. H2SO4(aq)
d. H2PO4 (aq)
е. NaOHaq)
16. Which of the following would NOT react with a solution of hydrochloric acid?
a. Silver
b. Magnesium
c. Sodium hydroxide
d. Iron
17. An experiment is conducted to determine the formula for a sample of a magnesium sulfate hydrate. The
experiment begins with o.965 mol of hydrated sample, and o.12 mol of anhydrous magnesium sulfate
remains after the heating is complete. What is the value of X in MgSO4-XH2O?
а. 10
с.
7
d. More information is needed
b. 8
18. The table to the right shows ist, 2nd, and
3rd ionization energies for 3 elements. Which
of the following would be an alkali metal?
a. Element X
b. Element Y
2nd (kJ/mol)
1st (kJ/mol)
589
3rd (kJ/mol)
Element X
1145
4912
Element Y
1000
2252
3357
Element Z
520
7298
11815
с.
Element Z
d. d. None of the above
19. What is the conjugate acid in the following chemical equation?
→ H20 + CO32-
b. ОН-
HCO3
OH-
+
а. НСО3
с. Н.О
d. CO3-
20. Given the following reaction, how many L of nitrogen gas will be produced by the reaction of 4.00 L of NO
with 8.00 L of H2?
2NO(g) + 2H2(g) → N2(g) + 2H20(g)
b. 8.00 L
а. 4.00 L
с. 2.00 L
d. 12.00 L

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