Homework Answers
A) BOYLES LAW
P1V1=P2V2
B)NaCl is example of ionic crystalline solid.
C)Intermolecular forces between HCl molecules are dipole dipole forces.
D) Intermolecular forces influence physical properties.
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Q.7 Which one of following identify the Boyle's Law relationship A) P.V. - P.V; B) VgT;...
Q.7 Which one of following identify the Boyle's Law rel ationship A) PV = k B)...
Q.7 Which one of following identify the Boyle's Law rel ationship A) PV = k B) PN = k C) РЛ = k D) PV = nRT ОООО
40) Which of the following statements is FALSE? A) The enthalpy change from the solid to...
40) Which of the following statements is FALSE? A) The enthalpy change from the solid to the liquid state of matter has a negative value. B) The temperature a The temperature and pressure determine the physical state in which a sample of matter will exist C) The solid state of matter is more organized than the liquid state of matter. D) Gases will assume the volume and shape of their containers. 41) How many moles of gas are present in...
2-0. If the orbitals of two atoms overlap and interact with constructive interference, the resulting increase...
2-0. If the orbitals of two atoms overlap and interact with constructive interference, the resulting increase in wave density results in an): a. bonding molecular orbital b. antibonding molecular orbital c. free radical formation d. cation formation Q-7. "Doping" pure silicon with gallium results in a(n) material. a. p-type b. n-type C. S-type d. d-type Q-8. You are likely to observe H-bonding in which of the following molecules? a. NaF b. C2H4F2 C. Na20 d. HF electrons than the host...
Which of the following molecules is nonpolar? a. H2 b. HF c. HCl d. HI e....
Which of the following molecules is nonpolar? a. H2 b. HF c. HCl d. HI e. HBr Which of the following molecules can participate in Hydrogen bonding? a. HF b. CO2 c. CH4 d. H2S Which of the following molecules is polar? a. H2O b. CO2 c. CH4 d. N2 e. None of the above In lab, temperature changes caused by ________________ of liquids will be related to the strength of intermolecular forces. a. Evaporation b. Mass c. Density d....
A) TRUE B) FALSE U. Heats of vaporization are greater than heats of fusion 800 34.6°C...
A) TRUE B) FALSE U. Heats of vaporization are greater than heats of fusion 800 34.6°C 760 783C 10 Normal boiling 600 Diethyl/ point Ethyl alcohol (ethanol) Water Ethylene glycol 20 40 60 80 100 Temperature (00 11. Based on the figure above, the boiling point of diethyl ether under an external pressure of 0.605 atm is A40 B) 10 C) 30 D) 20 E) 0 12. What is the predominant intermolecular foree in HCN? A) dipole-dipole attraction B) ion-dipole...
9. The greatest gas solubility in water is predicted under what conditions? A) high T, high...
9. The greatest gas solubility in water is predicted under what conditions? A) high T, high partial pressure C) low T, low P 8) high T, low P D) low T, high P Identify the type of interaction between atoms in a nonbonding atomic solid. A) polar bonding B) ionic bonding C) covalent bonding D) hydrogen bonding E) weak dispersion forces 10. 11. Identify the formula for silica. 12. Identify the element with the least band gap A) Lead B)...
1. Which law does the equation PV=constant represent? a.Avogadro's Law b. Boyle's Law c. Charle's Law...
1. Which law does the equation PV=constant represent? a.Avogadro's Law b. Boyle's Law c. Charle's Law d. Graham's Law 2. Which postulate from the kinetic molecular theory is most relevant to explain rms speeds? a. the average kinetic energy is proportional to the temperature b. collisions of gas particles are elastic c. the volume of the particles is negligible comapred to the volume of the gas d. gas particles move in random straight line motion 3. Which of the follow...
check each statement about the temperature, check each item that is a unit of pressure, which...
check each statement about the temperature, check each item that is
a unit of pressure, which of the following pairs of substances are
held together by hudrogen bonds, multiple choice, name the phase
16. Check each true statement about the temperature 0 K. The K stands for kilo. The K stands for Kelvin. This is a temperature that is suitable for biological processes. It is absolute zero. This temperature is the middle of the Kelvin scale. This is the coldest...
Need help. Tnks which of the following boils at the highest temperature? A CH. B. C₂H6...
Need help. Tnks
which of the following boils at the highest temperature? A CH. B. C₂H6 с. Сан, D. CH10 24. Which probably has the lowest boiling point at 1.00 atm? A. HEB . HCI C. HBr D. HI E. C5H12 E. H2SO4 or the following substances has London dispersion force as its only intermolecular force? (NO hydrogen bonding, no dipole-dipole forces.) A. CH,OH S.NH, C.HS D. CHA 26. Which statement is true for the following structures: CH3CH2OH CH.CHOCHCHA NaF...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Duct...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Ductility can be measured as % reduction in area from broken tensile samples D Ductility is deformation in the elastic region E Ductility is the change between upper and lower yield point in steels Q22. Which one of the following statements is TRUE about Charpy impact...
Q.7 Which one of following identify the Boyle's Law rel ationship A) PV = k B) PN = k C) РЛ = k D) PV = nRT ОООО
40) Which of the following statements is FALSE? A) The enthalpy change from the solid to the liquid state of matter has a negative value. B) The temperature a The temperature and pressure determine the physical state in which a sample of matter will exist C) The solid state of matter is more organized than the liquid state of matter. D) Gases will assume the volume and shape of their containers. 41) How many moles of gas are present in...
2-0. If the orbitals of two atoms overlap and interact with constructive interference, the resulting increase in wave density results in an): a. bonding molecular orbital b. antibonding molecular orbital c. free radical formation d. cation formation Q-7. "Doping" pure silicon with gallium results in a(n) material. a. p-type b. n-type C. S-type d. d-type Q-8. You are likely to observe H-bonding in which of the following molecules? a. NaF b. C2H4F2 C. Na20 d. HF electrons than the host...
A) TRUE B) FALSE U. Heats of vaporization are greater than heats of fusion 800 34.6°C 760 783C 10 Normal boiling 600 Diethyl/ point Ethyl alcohol (ethanol) Water Ethylene glycol 20 40 60 80 100 Temperature (00 11. Based on the figure above, the boiling point of diethyl ether under an external pressure of 0.605 atm is A40 B) 10 C) 30 D) 20 E) 0 12. What is the predominant intermolecular foree in HCN? A) dipole-dipole attraction B) ion-dipole...
9. The greatest gas solubility in water is predicted under what conditions? A) high T, high partial pressure C) low T, low P 8) high T, low P D) low T, high P Identify the type of interaction between atoms in a nonbonding atomic solid. A) polar bonding B) ionic bonding C) covalent bonding D) hydrogen bonding E) weak dispersion forces 10. 11. Identify the formula for silica. 12. Identify the element with the least band gap A) Lead B)...
check each statement about the temperature, check each item that is
a unit of pressure, which of the following pairs of substances are
held together by hudrogen bonds, multiple choice, name the phase
16. Check each true statement about the temperature 0 K. The K stands for kilo. The K stands for Kelvin. This is a temperature that is suitable for biological processes. It is absolute zero. This temperature is the middle of the Kelvin scale. This is the coldest...
Need help. Tnks
which of the following boils at the highest temperature? A CH. B. C₂H6 с. Сан, D. CH10 24. Which probably has the lowest boiling point at 1.00 atm? A. HEB . HCI C. HBr D. HI E. C5H12 E. H2SO4 or the following substances has London dispersion force as its only intermolecular force? (NO hydrogen bonding, no dipole-dipole forces.) A. CH,OH S.NH, C.HS D. CHA 26. Which statement is true for the following structures: CH3CH2OH CH.CHOCHCHA NaF...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Ductility can be measured as % reduction in area from broken tensile samples D Ductility is deformation in the elastic region E Ductility is the change between upper and lower yield point in steels Q22. Which one of the following statements is TRUE about Charpy impact...
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