Homework Answers
Carbon atom in graphite are arranged in layer of sheet the bond between carbon atom within that layer will be strong but the bond between two layer of sheet is very weak and that is why graphite is soft and slippery as the layer slides over each other
Answer- b)Graphite is layered
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Which statement best describes why graphite is soft: Select one: O a. None of the above...
Which of the following is the best explanation of nudeation? Select one: a. all of the...
Which of the following is the best explanation of nudeation? Select one: a. all of the above are true b. it can be initiated by the addition of a seed crystal to a saturated solution O c. it is the first step in the process of crystallization d. it can be initiated by providing nucleation sites - tiny crevices in a surface When the melting point of a mixture is measured, what is generally true about the results? estion Select...
Which of the following best describes the expected value of a discrete random variable? Select one:...
Which of the following best describes the expected value of a discrete random variable? Select one: a. It is the weighted average over all possible outcomes. b. None of the above c. It is the simple average over all possible outcomes d. It is the middle value of all possible outcomes
12. Amino acids are building blocks of proteins. Which statement best describes the physical properties of...
12. Amino acids are building blocks of proteins. Which statement best describes the physical properties of the following amino acid? A) high melting points and low solubility in water B) large dipole moments and no hydrogen bonding C) high melting points and large dipole moments D) low solubility in water and small dipole moments E) small dipole moments and are hydrophobic
Which of the following statement is true regarding inventory costing? Select one: O A. Under FIFO,...
Which of the following statement is true regarding inventory costing? Select one: O A. Under FIFO, the first units purchased are sold and ending inventory is made up of the most recent purchase O B. The cost of ending inventory is the same Under the LIFO and FIFO methods. O C. Both statements are true O D. None of the above statements are true Petty Cash is reserved for large purchases or repairs such as the replacement of a truck...
-C3-1 Part 3 . Which of the following best describes the adjustment(s) that will have to...
-C3-1 Part 3 . Which of the following best describes the adjustment(s) that will have to be made before the income statement is finalized? O Record supplies used up in May. O Record income taxes on May's net income. O All of the above. O None of the above.
Which statement about alkanes, alkenes, and alkynes is not correct? Select one: a. Cis and trans...
Which statement about alkanes, alkenes, and alkynes is not correct? Select one: a. Cis and trans stereoisomers occur in both alkenes and alkynes. b. When they have the same number of carbon atoms, branched alkanes have lower melting and boiling points than normal alkanes. c. Alkenes and alkynes, but not alkanes, undergo addition reactions. d. The melting and boiling points increase as the number of carbon atoms in a normal alkane increases. e. Alkanes are much less reactive than alkenes...
Which statement best describes why some materials are not magnetic? O Magnetic materials have many spinning...
Which statement best describes why some materials are not magnetic? O Magnetic materials have many spinning unpaired electrons Paired electrons spin in opposite directions, cancelling their magnetic fields Electrons of magnetic materials are loosely held by atomic nuclei O Magnetic materials move positively charged particles to other atoms A hair dryer draws 10.0 A when plugged into a 120-V line. What is the resistance within the hair dryer? Ο 0.083 Ω Ο 12 Ω Ο 83 Ω Ο 1200 Ω
7 Which statement best describes Copernicus' approach to modeling the solar system? is out of Question...
7 Which statement best describes Copernicus' approach to modeling the solar system? is out of Question Select one O a. He made detailed observations, and the resulting calculations bed him to heliocentricity, O b. He believed that spheres such as planets naturally move in circles, therefore he assumed heliocentricity because it was simpler than what had come before O c. He was a revolutionary thinking looking to completely overthrow the astronomical theories of the past. d. He consulted with colleagues...
Which statement accurately describes an assumption underlying the successful operation of markets? Select one: a. Individuals...
Which statement accurately describes an assumption underlying the successful operation of markets? Select one: a. Individuals are often overwhelmed by conflicting information. b. Individuals are highly influenced by professional advice. c. Individuals' tastes for goods and services are predetermined. d. Individuals are not always rational. Which aspect of Assumption 1 does the text describe as the more troubling issue in health care? Select one: a. Individuals are rational. b. Individuals know what goods and services are likely to make them...
Which answer best describes a drug which is an allosteric inhibitor? Select one: a. binds to...
Which answer best describes a drug which is an allosteric inhibitor? Select one: a. binds to the binding site for the endogenous ligand and have no physiological response b. increases the binding of the endogenous ligand C. competes with the endogenous ligand on the receptor binding site d. decreases the binding of the endogenous ligand
Which of the following is the best explanation of nudeation? Select one: a. all of the above are true b. it can be initiated by the addition of a seed crystal to a saturated solution O c. it is the first step in the process of crystallization d. it can be initiated by providing nucleation sites - tiny crevices in a surface When the melting point of a mixture is measured, what is generally true about the results? estion Select...
12. Amino acids are building blocks of proteins. Which statement best describes the physical properties of the following amino acid? A) high melting points and low solubility in water B) large dipole moments and no hydrogen bonding C) high melting points and large dipole moments D) low solubility in water and small dipole moments E) small dipole moments and are hydrophobic
Which of the following statement is true regarding inventory costing? Select one: O A. Under FIFO, the first units purchased are sold and ending inventory is made up of the most recent purchase O B. The cost of ending inventory is the same Under the LIFO and FIFO methods. O C. Both statements are true O D. None of the above statements are true Petty Cash is reserved for large purchases or repairs such as the replacement of a truck...
-C3-1 Part 3 . Which of the following best describes the adjustment(s) that will have to be made before the income statement is finalized? O Record supplies used up in May. O Record income taxes on May's net income. O All of the above. O None of the above.
Which statement about alkanes, alkenes, and alkynes is not correct? Select one: a. Cis and trans stereoisomers occur in both alkenes and alkynes. b. When they have the same number of carbon atoms, branched alkanes have lower melting and boiling points than normal alkanes. c. Alkenes and alkynes, but not alkanes, undergo addition reactions. d. The melting and boiling points increase as the number of carbon atoms in a normal alkane increases. e. Alkanes are much less reactive than alkenes...
Which statement best describes why some materials are not magnetic? O Magnetic materials have many spinning unpaired electrons Paired electrons spin in opposite directions, cancelling their magnetic fields Electrons of magnetic materials are loosely held by atomic nuclei O Magnetic materials move positively charged particles to other atoms A hair dryer draws 10.0 A when plugged into a 120-V line. What is the resistance within the hair dryer? Ο 0.083 Ω Ο 12 Ω Ο 83 Ω Ο 1200 Ω
7 Which statement best describes Copernicus' approach to modeling the solar system? is out of Question Select one O a. He made detailed observations, and the resulting calculations bed him to heliocentricity, O b. He believed that spheres such as planets naturally move in circles, therefore he assumed heliocentricity because it was simpler than what had come before O c. He was a revolutionary thinking looking to completely overthrow the astronomical theories of the past. d. He consulted with colleagues...
Which answer best describes a drug which is an allosteric inhibitor? Select one: a. binds to the binding site for the endogenous ligand and have no physiological response b. increases the binding of the endogenous ligand C. competes with the endogenous ligand on the receptor binding site d. decreases the binding of the endogenous ligand
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