Chemical Principles in the Laboratory
11th Edition
ISBN: 9781305264434
Author: Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher: Brooks Cole
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Chapter 13, Problem 3ASA
Assemble a skeleton structure for the molecule, connecting the balls and sticks to make one unit. Use the rule that
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What must be true about the change in total potential energy of a collection of atoms for a stable compound to be formed from the
elements? Select all true statements.
The bonding in the compound must result in a net lowering of the energy.
The bonding in the compound must result in a net increase in the energy.
The process of bonding must release energy to form a stable compound.
The process of bonding must take up (or gain) energy to form a stable compound.
O None of these or more information is needed.
What must{be true about the change in total potential energy of a collection of atoms for a stable compound to be formed from the
elements? Select all true statements.
O The bonding in the compound must result in a net lowering of the energy.
O The bonding in the compound must result in a net increase in the energy.
U The process of bonding must release energy to form a stable compound.
O The process of bonding must take up (or gain) energy to form a stable compound.
O None of these or more information is needed.
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Chemical Principles in the Laboratory
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- a. How many sticks did you need to make the skeleton structure?____________ b. How many sticks are left over? ____________ If your model is to obey the octet rule, each ball must have four sticks in it except for hydrogen atom balls, which need and can only have one. Each atom in an octet rule species is surrounded by four pairs of electrons. c. How many holes remain to be filled? ____________ Fill them with the remaining sticks, which represent nonbonding electron pairs. Draw the complete Lewis structure for NH2Cl using lines for bonds and pairs of dots for nonbonding electrons.arrow_forwardList some factors influencing the biocompatibility of materials and explain how those factors are related to chemical bonding.arrow_forwardConsider the image of the P4 molecule provided and answer the following: 1. Are there any lone pairs of electrons present in the P4 molecule. It is advisable to draw the Lewis structure. 2. How many P-P bonds are present in the molecules. 3. Draw a Lewis structure for a linear P4 molecule, that would satisfy the octet rule. 4. Determine whether this linear structure has any resonance structures. If so, show all possibilities. 5. By calculating formal charges, explain which of the two structures, the linear molecule or the tetrahedral molecule would be more stable.arrow_forward
- A compound with a molar mass of about 42 g/mol contains 85.7% carbon and 14.3% hydrogen. What is its molecular structure?arrow_forwardWe have just finished studying different types of bonding in matter and their properties. Your job is to explain why ionic, simple covalent, and metallic structures possess the properties that they do. Include diagrams to support your work.arrow_forwardLabels on household cleansers caution against mixing bleach with ammonia because the reaction produces monochloramine (NH2Cl) and hydrazine (N2H4), both of which are toxic. The balanced equations are shown below. Draw the Lewis structure for monochloramine, which is a covalent compound with the formula NH2Cl. Include all nonbonding electrons, such as lone pairs, and any nonzero formal charges. Draw the Lewis structure for hydrazine, which has the formula N2H4. Include all nonbonding electrons, such as lone pairs, and any nonzero formal charges.arrow_forward
- What determines which atoms are the central atoms? How do you adjust the number of electrons to form a cation? What about an anion? What causes some molecules with the same number of electron domains to have different shapes? Would they cause the real bond angle to be larger or smaller? Why? Which of the following elements should you expect to form an incomplete octet: H, He, Be, B, C, O? Why? Which of the following elements are good candidates to form an expanded octet: N, F, Ne, P, S, Cl, Ar? Why? What things must you consider when determining if a molecule is polar or non-polar?arrow_forwardIn terms of molecular structure, what additional information does the VSEPR theory give you beyond electron dot structure?arrow_forwardWhy is this theory successful? Can you name some of the limitations of the theory? Drag the appropriate items to their respective bins. to determine the shape of the molecule or ion to determine the formulas of ionic compounds Lewis theory allows us to account for the paramagnetism of some species (e.g. oxygen) to determine how the bonds in the molecules and ions form to predict what molecules or ions will be stable, which will be more reactive, and which will not exist to account for the low melting points and boiling points of molecular compounds compared to ionic compounds Lewis theory does not allow us Reset Helparrow_forward
- A compound is being tested for use as a rocket propellant. The analysis showed that this compound contained 18.54% F, 34.61% Cl, and 46.85% O.a. Suppose the molecular formula is the same as the empirical formula, describing the Lewis structure for this moleculeb. Use the VSEPR theory to predict the structure of this moleculec. List the three anions of the elements according to their increment in the radius of the ion. Ar F = 19, Cl = 35,5, O= 16arrow_forwardAnswer the questions in the table below about the shape of the phosphorus trifluoride (PF3) molecule. How many electron groups are around the central phosphorus atom? Note: one "electron group" means one lone pair, one single bond, one double bond, or one triple bond. What phrase best describes the arrangement of these electron groups around the central phosphorus atom? (You may need to use the scrollbar to see all the choices.) (choose one) X Śarrow_forwardWhat would be the electron dot structure of a molecule of sulphur which is made up of eight atoms of sulphur?arrow_forward
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