7. Which of the following best describe the structure of the carbon atom?a. Its atomic structure and valence number of 4 makes it able to form4covalent bonds with atoms of other elements and another carbon atom.b. Its atomic structure allows many types of arrangements that leads to ashort and long straight and branched chained structures.c. both a and bd. none of these8. Which of the following best explains the characteristics of carbon atom?a. Its valence number of 4 results to a full outer energy by forming fourcovalent bonds.b. Carbon atoms can form single, double or triple covalent bonds with othercarbon atoms.c. It has four valence bonds, and the energy required to make or break abond is at an appropriate level for building molecules, which are stableand reactive.d. All of the above 21. Which condition occurs during osmosis as a result of solution formation?a. Solute moves from high to low solution concentration.b. Solute moves from low to high solution concentration.c. Solvent moves from high to low solution concentration.d. Solvent move from low to high solution concentration.22. Taking a lot of salt in the diet is not advisable because increasing the saltconcentration of the blood will;a. Lower its vapor pressurec. draw water out of the blood cellsd. decrease the solubility of dissolved oxygenb. Cause blood cells to burst23. An aqueous solution contains 18.0 grams of an unknown, nonvolatile solute in 50.0grams of water. The solution boils at 102.5 degree centigrade. What is the molarmass of the solute? (Ko = 0.52 °C/m).a. 74.9 g/mol24. What weight of ethylene glycol (MW=62.0) should be added to 2.5 kg of water togive a solution that freezes at -15.0 °C? (kr = 1.86 °C/m)a. 20.2 gb. 12.1 g/molc. 24.4 g/mold. 47.2 g/molb. 202 gc. 625 gd. 1250 g

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Which of the following best describe the structure of the carbon atom? a. Its atomic structure and valence number of 4 makes it able to form4 covalent bonds with atoms of other elements and another carbon atom. b. Its atomic structure allows many types of arrangements that leads to a short and long straight and branched chained structures. c. both a and b d. none of these 3. Which of the following best explains the characteristics of carbon atom? a. Its valence number of 4 results to a full outer energy by forming four covalent bonds. b. Carbon atoms can form single, double or triple covalent bonds with other carbon atoms. c. It has four valence bonds, and the energy required to make or break a bond is at an appropriate level for building molecules, which are stable and reactive. d. All of the above

Which of the following best describe the structure of the carbon atom? a. Its atomic structure and valence number of 4 makes it able to form4 covalent bonds with atoms of other elements and another carbon atom. b. Its atomic structure allows many types of arrangements that leads to a short and long straight and branched chained structures. c. both a and b d. none of these 3. Which of the following best explains the characteristics of carbon atom? a. Its valence number of 4 results to a full outer energy by forming four covalent bonds. b. Carbon atoms can form single, double or triple covalent bonds with other carbon atoms. c. It has four valence bonds, and the energy required to make or break a bond is at an appropriate level for building molecules, which are stable and reactive. d. All of the above

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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