Concept explainers
Interpretation:
The characteristics of molecule that changes in magnitude from one state to another and is largely responsible for a compound to be gas, liquid, or solid is to be stated.
Concept Introduction:
Solid is a
The liquid is a state of matter in which molecules are packed loosely than that in solid and they are able to move around. That’s why liquids are able to take the shape of its container. For example, water and alcohol.
Gas is a state of matter in which molecules are spread all over the space with very high kinetic energy leading to undefined shape and undefined volume and hence, can be easily compressed. For example, oxygen and nitrogen.
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Introduction to Chemistry
- Cohesion happens between all molecules in a liquid, but because the molecules in the middle of the droplet pull each equally in all directions they generally cancel each out. This strong inward force causing molecules on the surface to contract and resist being pulled apart. This is known as surface tension. Based on this information. Answer the question .arrow_forwardWhich of the following physical processes are exothermicfor water—freezing, boiling, condensing, subliming,evaporating?arrow_forwardCc.34.arrow_forward
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- There are three sets of sketches below, showing the same pure molecular compound (ammonia, molecular formula NH₂) at three different temperatures. The sketches are drawn as if a sample of ammonia were under a microscope so powerful that individual atoms could be seen. Only one sketch in each set is correct. Use the slider to choose the correct sketch in each set. You may need the following information: melting point of NH3: -77.7 °C boiling point of NH₁: -33.3 °C B (Choose one) (Choose one) (Choose one) -59, °C -89, °C 54, °Carrow_forwardFilter paper is most often used in the laboratory to separate two different types of solids. solids from liquids. gases from solids. two different types of liquids.arrow_forwardThere are three sets of sketches below, showing the same pure molecular compound (ammonia, molecular formula NH3) at three different temperatures. The sketches are drawn as if a sample of ammonia were under a microscope so powerful that individual atoms could be seen. Only one sketch in each set is correct. Use the slider to choose the correct sketch in each set. You may need the following information: melting point of NH3: -77.7 °C boiling point of NH3: -33.3 °C A B 63. °C (Choose one) (Choose one) (Choose one) -55. °C C X 3 -98. °C OU Ararrow_forward
- There are three sets of sketches below, showing the same pure molecular compound (ammonia, molecular formula NH3) at three different temperatures. The sketches are drawn as if a sample of ammonia were under a microscope so powerful that individual atoms could be seen. Only one sketch in each set is correct. Use the slider to choose the correct sketch in each set. You may need the following information: melting point of NH3: -77.7 °C boiling point of NH3: -33.3 °C (Choose one) (Choose 1 2 3 4 5 I B - 59. °℃ one) (Choose one) (Choose one) 1 2 3 41. °C I 5 1 3 4 5 I -89. °℃arrow_forwardThere are three sets of sketches below, showing the same pure molecular compound (ammonia, molecular formula NH3) at three different temperatures. The sketches are drawn as if a sample of ammonia were under a microscope so powerful that individual atoms could be seen. Only one sketch in each set is correct. Use the slider to choose the correct sketch in each set. You may need the following information: melting point of NH3: -77.7 °C boiling point of NH3: -33.3 °C A (Choose one) (Choose one) (Choose one) -53. °C B 5 64. °C 3 4 5 - 107. °℃ 8 olo Ararrow_forwardIdentify the type of phase change described in each process. Molten aluminum poured into a mold cools to form a solid object. A block of dry ice gradually becomes foglike at room temperature. A soldering iron prepares liquid solder from solid metal. The is left off a bottle of acetone and the smell fills the room. сap A scoop of ice cream begins to drip in the hot sun. A drop of mercury on the lab bench disappears over time. Beads of water form on a cold drinking glass. Answer Bank melting freezing condensation sublimation evaporationarrow_forward
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