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(a)
Interpretation:
The formula of a compound of nitrogen which is a weak base should be determined.
Concept introduction:
Weak bases are those which does not dissociate completely.
(b)
Interpretation:
The formula of a compound of nitrogen that is a strong acid should be determined.
Concept introduction:
Strong acids are those which dissociate completely in solution.
(c)
Interpretation:
The formula of a compound of nitrogen that is a weak acid should be determined.
Concept introduction:
In an aqueous solution or water weak acid is partially dissociate.
(d)
Interpretation:
The formula of a compound of nitrogen that is a capable of oxidizing copper should be determined.
Concept introduction:
Nitric acid is a strong acid so; it is capable to oxidized copper.
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Chapter 21 Solutions
CHEMISTRY:PRIN.+REACTIONS-OWLV2 ACCESS
- Iodine can be prepared by allowing an aqueous solution of hydrogen iodide to react with manganese dioxide, MnO2. The reaction is 2I(aq)+4H+(aq)+MnO2(s)Mn2+(aq)+2H2O+I2(s) If an excess of hydrogen iodide is added to 0.200 g of MnO2, how many grams of iodine are obtained, assuming 100% yield?arrow_forwardComplete and balance the following acid-base equations:(a) A solution of HClO4 is added to a solution of LiOH.(b) Aqueous H2SO4 reacts with NaOH.(c) Ba(OH)2 reacts with HF gas.arrow_forwardName the products formed in each case when(a) hydrochloric acid reacts with caustic soda.(b) granulated zinc reacts with caustic soda.(c) carbon dioxide is passed into lime water.arrow_forward
- (A) if both sentences are true,(B) if both sentences are false,(C) if the first sentence is true but the second is false, and(D) if the first sentence is false but the second is true. 1. In a redox reaction, the oxidation number of iron changed from +2 to +3; thus, sulfur is a reducing agent. In a redox reaction, the oxidation number of nitrogen was unchanged; thus, nitrogen is an oxidant. 2. In a redox reaction, the reducing agent is oxidized and it gains electrons. In a redox reaction, the oxidizing agent is reduced and it gains electrons. 3. Bending stress is also known as flexural stress. The test used in observing the mechanical strength of chocolate is the three-point bend test. 4. The flexural strength of materials may be expressed in Pascals. Magnesium is more reactive than silver; therefore, magnesium corrodes faster than silver with the aid of air, oxygen, and sea water.arrow_forwardWrite the balanced chemical equations for (a) the completecombustion of acetic acid (CH3COOH), the mainingredient in vinegar; (b) the decomposition of solidcalcium hydroxide into solid calcium oxide (lime) andwater vapor; (c) the combination reaction between nickelmetal and chlorine gas.arrow_forward(a) Which poisonous gas is evolved when white phosphorus is heated with Cone. NaOH solution? Write the chemical equation. (b) Write the formula of first noble gas compound prepared by N. Bartlett. What inspired N. Bartlett to prepare this compound? (c) Fluorine is a stronger oxidising agent than chlorine. Why? (d)Write one use of chlorine gas.arrow_forward
- Solid boron can be extracted from solid boron oxide by reac- tion with magnesium metal at a high temperature. A second prod- uct is solid magnesium oxide. (a) Write a balanced equation for the reaction. (b) What mass of boron can be produced when 125 kg of boron oxide is heated with 125 kg of magnesium?arrow_forwardMost abundant metal on the surface of the earth:(a) Iron(b) Aluminium(c) Calcium(d) Sodiumarrow_forwardWhich statement about the properties of barium chloric and mercury(II) chloride is correct? (A) BaCl₂ has a higher melting point than HgCl₂. (B) BaCl₂ has a higher solubility in nonpolar solvents than HgCl₂. (C) BaCl₂ has a higher vapor pressure than HgCl₂. (D) Molten BaCl₂ has a lower electrical conductivity than molten HgCl2.arrow_forward
- (a) List four physical characteristics of a solid metal. (b) List two chemical characteristics of a metallic element.arrow_forwardWrite Balanced chemical equation with physical state symbols and necessary conditions, if anyarrow_forward7. (a) Write a complete, balanced chemical equation to show how sodium carbonate removes calcium ions and magnesium ions irom hard water.arrow_forward
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
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