
(a)
Interpretation:
The balanced molecular chemical equation should be determined for the type of reaction.
Concept Introduction:
A combination reaction is a chemical change which is obtained by combination of two reactants and to form only one product.
(b)
Interpretation:
The balanced molecular chemical equation should be determined for the type of reaction.
Concept Introduction:
A precipitation reaction is a chemical change in which an un-dissolved solid precipitate would be formed as a product.
(c)
Interpretation:
The balanced molecular chemical equation should be determined for the type of reaction.
Concept Introduction:
A double displacement reaction includes the mutual exchange of metal cations and results the new products.
(d)
Interpretation:
The balanced molecular chemical equation should be determined for the type of reaction.
Concept Introduction:
Acid is a substance which produces hydronium ion in water whereas base is a substance which produces hydroxyl ion. When an acid and base is mixed together it creates a neutralized environment and forms salt and water as the products.
(e)
Interpretation:
The balanced molecular chemical equation should be determined for the type of reaction.
Concept introduction:
Oxidation is a reaction in which follows the following conditions.
- Oxygen is added to reactants.
- Hydrogen is removed from the reactant.
- Electrons are removed from the reactant.
In the similar way the reduction is the opposite of oxidation and it is as follows.
- Oxygen is removed from reactants.
- Hydrogen is added to the reactant.
- Electrons are added to the reactant.
If both reactions occur in the same reaction such reactions are known as redox reactions.
(f)
Interpretation:
The balanced molecular chemical equation should be determined for the type of reaction.
Concept Introduction:
If a compound burns in presence of excess of oxygen to form heat/energy with a new compound such type of reactions are called combustion reaction.
In the above reaction, methane gas burns in presence of Oxygen and produces Carbon dioxide gas, water vapour and heat. As energy is evolved in the above reaction, this reaction is considered as exothermic reactions. Here, the burning of fossil fuels to generate energy also other type of combustion reactions.

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Chapter 7 Solutions
Introductory Chemistry: A Foundation
- A student proposes the transformation below in one step of an organic synthesis. There may be one or more reactants missing from the left-hand side, but there are no products missing from the right-hand side. There may also be catalysts, small inorganic reagents, and other important reaction conditions missing from the arrow. • Is the student's transformation possible? If not, check the box under the drawing area. . If the student's transformation is possible, then complete the reaction by adding any missing reactants to the left-hand side, and adding required catalysts, inorganic reagents, or other important reaction conditions above and below the arrow. • You do not need to balance the reaction, but be sure every important organic reactant or product is shown. + T X O O лет-ле HO OH HO OH This transformation can't be done in one step.arrow_forwardDetermine the structures of the missing organic molecules in the following reaction: X+H₂O H* H+ Y OH OH Note: Molecules that share the same letter have the exact same structure. In the drawing area below, draw the skeletal ("line") structures of the missing organic molecules X and Y. You may draw the structures in any arrangement that you like, so long as they aren't touching. Click and drag to start drawing a structure. X Sarrow_forwardPredict the major products of this organic reaction. If there aren't any products, because nothing will happen, check the box under the drawing area instead. No reaction. HO. O :☐ + G Na O.H Click and drag to start drawing a structure. XS xs H₂Oarrow_forward
- What are the angles a and b in the actual molecule of which this is a Lewis structure? H H C H- a -H b H Note for advanced students: give the ideal angles, and don't worry about small differences from the ideal groups may have slightly different sizes. a = b = 0 °arrow_forwardWhat are the angles a and b in the actual molecule of which this is a Lewis structure? :0: HCOH a Note for advanced students: give the ideal angles, and don't worry about small differences from the ideal that might be caused by the fact that different electron groups may have slightly different sizes. a = 0 b=0° Sarrow_forwardDetermine the structures of the missing organic molecules in the following reaction: + H₂O +H OH O OH +H OH X Note: Molecules that share the same letter have the exact same structure. In the drawing area below, draw the skeletal ("line") structure of the missing organic molecule X. Click and drag to start drawing a structure.arrow_forward
- Identify the missing organic reactant in the following reaction: x + x O OH H* + ☑- X H+ O O Х Note: This chemical equation only focuses on the important organic molecules in the reaction. Additional inorganic or small-molecule reactants or products (like H₂O) are not shown. In the drawing area below, draw the skeletal ("line") structure of the missing organic reactant X. Click and drag to start drawing a structure. Carrow_forwardCH3O OH OH O hemiacetal O acetal O neither O 0 O hemiacetal acetal neither OH hemiacetal O acetal O neither CH2 O-CH2-CH3 CH3-C-OH O hemiacetal O acetal CH3-CH2-CH2-0-c-O-CH2-CH2-CH3 O neither HO-CH2 ? 000 Ar Barrow_forwardWhat would be the best choices for the missing reagents 1 and 3 in this synthesis? 1. PPh3 2 2. n-BuLi 3 Draw the missing reagents in the drawing area below. You can draw them in any arrangement you like. • Do not draw the missing reagent 2. If you draw 1 correctly, we'll know what it is. • Note: if one of your reagents needs to contain a halogen, use bromine. Explanation Check Click and drag to start drawing a structure.arrow_forward
- Predict the products of this organic reaction: NaBH3CN + NH2 ? H+ Click and drag to start drawing a structure. ×arrow_forwardPredict the organic products that form in the reaction below: + OH +H H+ ➤ ☑ X - Y Note: You may assume you have an excess of either reactant if the reaction requires more than one of those molecules to form the products. In the drawing area below, draw the skeletal ("line") structures of the missing organic products X and Y. You may draw the structures in any arrangement that you like, so long as they aren't touching. Click and drag to start drawing a structure. Garrow_forwardPredict the organic products that form in the reaction below: OH H+ H+ + ☑ Y Note: You may assume you have an excess of either reactant if the reaction requires more than one of those molecules to form the products. In the drawing area below, draw the skeletal ("line") structures of the missing organic products X and Y. You may draw the structures in any arrangement that you like, so long as they aren't touching. Click and drag to start drawing a structure. ✓ marrow_forward
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