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the rate of effusion for NO2 is greater than NH3
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the kinetic molecular theory describes the behavior of matter in terms of particles in motion
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chapter 12 chem test
| Question | Answer |
|---|---|
| the rate of effusion for NO2 is greater than NH3 | false |
| the kinetic molecular theory describes the behavior of matter in terms of particles in motion | true |
| if liquid A has more massive molecules than liquid B, liquid A has greater viscosity | true |
| both gasses and liquids can be classified as fluids becuase of their ability to flow | true |
| a crystalline solid of NaCl possesses a definite and regular geometry due to definite and orderly arrangment of Na+ and Cl- ions in three | true |
| the surface of tension of water is increased with the addition of a detergent | false |
| molecular solids are good conductors of heat and electricity because the molescules are held together by ionic bonds | false |
| temp is defined as the average kinetic energy of the particles in a sample of matter | true |
| the amount of energy required to change the phase of a molecular substance such as sucrose is greater than an ionic substances such as table salt | false |
| an elastic collision is one where two colliding particles do not lose kinetic energy | true |
| boiling occurs when the vapor pressure from a liquid is equal to the atmospheric pressure | true |
| a gas with a high molar mass will travel through a small opening more slowly than a gas with a low molar mass | true |
| a substance does not undergo a change in temperature while it is undergoing a change in state | true |
| when the molecules of gasses are cooled, the average kinetic energy of the particles increased | false |
| the kinetic molecular theory assumes that the distance between the particles of gas is so large there are no significant attractive or repulse forces | true |
| a sample of four mixed gases has a pressure of 760 mm Hg. the partial pressure of gas A is 14.8% of the mix. the partial pressure of gas B is 41.6% and gases C and D have equal pressures, what is the pressure of C | 165.7 mm Hg |
| what is the term used to describe the energy required to increase the surface area of a liquid | surface tension |
| a mixture of oxygen, hydrogen, and water vapor has a total pressure of 684 mm Hg. the parietal pressure of oxygen is 380 mm Hg and hydrogen is atm. what's the parietal pressure of the water vapor | 228 mm Hg |
| during deposition carbon dioxide changes from a gas to a solid and energy is | released |
| what is a characteristic that increases a substances viscosity | larger particle size |
| which is NOT an assumption of matter made by the kinetic molecular theory of gases. | when particles collide, energy is decreased |
| at what temperature in degrees C will this substance melt if the pressure is held constant at 1.0 atm | 60 |
| which is NOT a pressure equal to 1.00 atm | 1.00 PSI |
| if a mixture has three gases with the following pressures, what is the total pressure of this mixture? 5.1 atm; 1.2 atm; 96.2 kPa | 7.2 atm |
| what is defined as the combination of pressure and temperature at which all three states of matter can coexist at equilibrium | triple point |
| how many mm Hg is equal to 1.82 atm | 1380 mm Hg |
| which of the following changes requires an input of energy | evaporation |
| of the forces listed, which is weakest | dispersion |
| which is an intermolecular force | hydrogen bonding |
| hydrogen fluoride has a molar mass of 20.0 g/mol. Kr has a molar mass of 83.8 g/mol. how much faster is HF than Kr. | 2.05 |
| the smallest repetitive parts of a crystalline solid are called | unit cells |
| sulfur dioxide | 1 slowest |
| oxygen | 2 |
| ammonia | 3 |
| hydrogen | 4 fastest |
| which change in state requires energy to be added to the substance | vaporizing |
| which is the state change that occurs when a solid becomes a gas without becoming a liquid first | sublimation |
| which has will diffuse faster than carbon dioxide if they are at the same temperature and pressure | oxygen |
| what type of bonding is in this picture | hydrogen bonding |
| what state is represented at point A | solid |
| of the forces listed, which is strongest | covalent |
| which of these is an example of a crystalline solid | quartz |
| what is the triple point for this substance | 55 degrees C; 6atm |
| a sample of three mixed gasses is 632.0 mm Hg. if the partial pressure of carbon dioxide is 124.3 mm Hg and the partial pressure of nitrogen is 461.9 mm Hg what is the partial pressure of the third gas, oxygen? | 25.8 mm Hg |
| which is an example o fan amorphous solid | glass |
Created by:
Breslyn Jeschke