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Why does an object bend when you heat it?
When you heat an object, its molecules start to vibrate more vigorously. This increased thermal energy causes the atoms or molecules to move further apart, leading to expansion. As a result, the object will undergo thermal expansion, causing it to bend or deform if it is not uniformly heated.
What happens when you remove thermal energy from a gas?
When thermal energy is removed from a gas, its temperature decreases and the gas molecules slow down, leading to a decrease in pressure. If enough thermal energy is removed, the gas can undergo a phase change to liquid or solid form, depending on the initial conditions and the gas properties.
Why a thicks walled glass tumbler cracks on pouring boiling water into it?
The boiling water causes the inside surface of the thick glass to expand rapidly. But the outside of the glass expands at a much slower rate, as it takes time for the heat from the inside to reach the outside, and the expansion to equalise. It is this difference in expansion that can cause the glass to break.
What is the state refrigerant leaving the condenser?
The state of the refrigerant leaving the condenser is a high-pressure, high-temperature, high-quality liquid. It has released heat to the surroundings during the condensation process and is ready to move to the expansion valve or throttle valve to undergo an expansion process.
What types of physical or state changes can solids undergo?
Solids can undergo changes such as melting, sublimation, and deformation. Melting occurs when a solid turns into a liquid, sublimation is when a solid transitions directly into a gas, and deformation involves the restructuring of the solid's shape without changing its state.
Do a very hot summer day railroad tracks can buckle causing train delays and derailments. What is the best reason for the buckling?
the mental rails undergo thermal expansion
What is the effect on heat on different liquids?
It will cause the liquid to either expand or contract.
How does thermal energy cause substances to undergo chemical change how does thermal energy cause substances to undergo chemical change?
Thermal energy cause thermal decomposition of a compound; the bonds between atoms are weakened.
Why does an object bend when you heat it?
When you heat an object, its molecules start to vibrate more vigorously. This increased thermal energy causes the atoms or molecules to move further apart, leading to expansion. As a result, the object will undergo thermal expansion, causing it to bend or deform if it is not uniformly heated.
What increases as the temperature if a solid object rises?
As the temperature of a solid object rises, its thermal energy increases, leading to greater molecular vibration and movement. This increase in energy typically results in an expansion of the object, as the increased molecular activity causes the particles to move further apart. Consequently, the object's volume may increase, and its density may decrease, assuming the object does not undergo a phase change.
What reaction must uranium undergo in order to release energy?
Nuclear fission with thermal neutrons
What happens if you heat copper?
When you heat copper, it will undergo thermal expansion, meaning it will expand in size. At high enough temperatures, around 1,984 degrees Fahrenheit, copper will start to melt and turn into a liquid state.
What will happen if a metal ball is heated?
It doesn't react. it is so unreactive that all it will do is eventually melt if you heat it high enough.
How do changes in temperature cause rocks to break down?
Changes in temperature cause rocks to undergo thermal expansion and contraction. When rocks heat up, they expand; likewise, when they cool down, they contract. Over time, this repeated expansion and contraction weaken the rock structure, creating cracks and fractures that eventually lead to rock breakdown.
What is 8SO2 plus heat?
When 8SO2 is heated, it will undergo thermal decomposition to form 8S and 16O2 molecules.
Why small gaps are left between successive rails in railway lines?
In the heat (of summer) the rails undergo thermal expansion. The amount of expansion is proportional to the normal length and, because rails are long lengths of metal, the expansion is sizeable. If there were no gaps then the expanding rails would push against one another until they buckled.
What are 4 physical changes that radium can go through?
Radium can undergo several physical changes, including solidification, where it transitions from a gaseous or liquid state to a solid form. It can also experience melting when heated above its melting point, changing from solid to liquid. Additionally, radium can undergo sublimation, directly transitioning from solid to gas without becoming liquid at certain conditions. Lastly, radium may undergo thermal expansion, where its volume increases as it is heated, affecting its physical dimensions.
