Changes of State

Topic Page

Questions

• How can changes of state be explained by the particle theory?
• How do changes in state involve exchanges of energy?
• How do changes of state establish equilibrium?
• How do changes of state relate to the kinetic theory?
• How do the laws of conservation apply to changes of state?
• What changes in state are endothermic?
• Why are changes of state considered to be physical?
• Why are sublimation and deposition unusual changes of state?
• Why do changes of states matter?
• Which state of matter undergoes changes in volume most easily?
• What is the primary factor that determines if an element is a solid, gas, or liquid at room temperature?
• Why is fluorine a gas, bromine a liquid, and iodine a solid, at room temperature?
• What is the change of state directly from gas to solid?
• How does temperature affect changes of state?
• How does heat affect changes of state?
• How can I graph changes of states of matter?
• Can I explain the changes of state using particle theory?
• How does water change states?
• How do changes of state involve exchanges of energy?
• What are some common mistakes students make with changes of state?
• What are some examples of changes of state?
• How does matter change from solid to liquid?
• Question #fb2d2
• I have conducted a calorimetry experiment on the latent fusion heat of ice. Even when the procedure is followed throughly, I keep getting a value that is far off from the actual value. And this continues even after the experiment is repeated, why?
• Elemental iodine is a solid at room temperature. What is the major attractive force that exists among different I2 molecules in the solid?
• Question #6fe8f
• Question #dcdd2
• Question #6310f
• During which phase change (at constant pressure) does water release the most heat energy?
• What are some examples of change of state of matter?
• What is the change in state from vapor to liquid called?
• What is it called when liquid changes state to a gas?
• In science, what are the 5 changes of state?
• What is the change in state from gas to solid called?
• What changes of state are endothermic and exothermic?
• Why are changes of state physical changes?
• What does change of state mean?
• What is it meant by change of state in chemistry?
• How much energy is needed to melt 250 grams of ice at 0 C?
• What is the change in state from a solid to a liquid called?
• If water is being split to form two new substances, is it a change of state?
• How is the temperature of a substance affected as it undergoes a change of state?
• For any substance, why does temperature remain constant during change of state?
• What happens to the temperature of a material when it is undergoing a change of state?
• If you add 163.11 g of ice at 0.0 °C to 0.087 L of water at 39.9 °C and allow the water to cool to 0.0 °C, how many grams of ice will remain?
• How can water change state?
• How would you explain the change of state of matter with reference to water?
• How does a chemical reaction differ from a physical change of state?
• How does heat affect matter during change of state?
• What are some examples of change of state?
• What change of state does sweating involve?
• What change of state is gas to liquid?
• What change of state is involved in sweating?
• What change of state is liquid to solid?
• When a solid is converted directly to a gas, what is the change of state called?
• Snow and Ice are both solid forms of water,then why doesn't snow have such a solid structure as ice and why do their colors differ? Even sometimes we see snowy white color in some parts of an ice cube,but snow doesn't appear transparent from anywhere.why?
• In water with a pH of 7, the amino acid glycine (#CH_2(NH_2)CO_2H#) primarily exists in which form?
• Question #46a08
• What is the process by which a gas changes its state to become a liquid?
• Why are changes in matter important?
• What are four examples of changes in state?
• Question #0207f
• What physical changes occur to water as it vaporizes?
• How would you describe the arrangement of the water molecules when liquid water evaporates?
• With regards to changes of state, how does water differ from most others substances?
• The melting point of Fluorine is -219 C while that of bromine is- 7.3 C. Given that information, how would you estimate the melting point of chlorine?
• When an ice cube melts, what does it become?
• If you let all of the liquid evaporate out pitcher of mixed drink, would you be able to see the solid particle of the drink mix?
• What type of change occurs when ice turns to water?
• What causes a change of state in matter? What is an example?
• As water freezes to ice does its volume decrease or increase? Does the mass decrease or increase?
• What is a change in phase from a solid directly to a gas?
• Why can we not quote a characteristic density for gases, as we can for solids and liquids?
• What are the five changes of state?
• Considering the following, which state or states is the substance after this time?
• What are the 5 different names given as matter changes one state to another? What change does each one represent?
• What change of state takes place when a gas loses energy?
• What is the process by which a solid changes directly into a gas?
• What is the temperature at which condensation equals evaporation?
• What is the mass of water vapor contained in a volume of air?
• What is the freezing point depression of a solution containing 100g of ethanol (#C_2H_5OH#) in 0.750 kg of water?
• Why does moisture condense on the outside of a cool glass of water in the summertime?
• Question #253ed
• Question #92dbc
• Question #7ffd1
• Question #50c7a
• Is a change of the state (or phase) of matter a physical or chemical change?
• For each change of state, what is the opposite change of state: condensation, freezing, deposition?
• How is water changing state during evaporation and condensation? Does it start as a solid, liquid or gas? What does it become?
• A liquid turns into a gas when the liquid reaches what point?
• Question #15820
• What happens when a liquid boils or evaporates?
• What is the conversion of nitrate to gaseous nitrogen, which then enters the atmosphere?
• Question #5c86e
• Question #cec3e
• What are the consequences of melting? THANKS
• Why does water disappear from an open container?
• AT what temperature does water have its smallest volume, and thus its greatest density?