0
What is the specific heat of 3.56 of an unknown metal if the 2.1kJ are required to raise the metal's temperature 5 c?
Specific heat is defined as the amount of (heat) energy needed to heat up a standard amount of material (mostly one kg or one mole) exactly one degree Celsius or one Kelvin (which is the same as oC for temperature differences).
As the amount is not accurately defined (kg? g? mol?) the question can not be answered in detailed calculation. What measure is 3.56 in this question.
What else can I help you with?
What is a Quarters specific heat capacity?
Specific heat capacity is the amount of heat energy required to raise the temperature of one unit of mass of a substance by one degree Celsius. For quarters, which are made of a combination of metals like copper and nickel, the specific heat capacity would be an average value based on the specific heat capacities of those metals. The specific heat capacity of quarters would be approximately 0.39 J/g°C, which means it takes 0.39 joules of energy to raise the temperature of 1 gram of quarters by 1 degree Celsius.
What is the specific heat capacity of a wire?
The specific heat capacity of a wire depends on the material it is made of. For most metals, the specific heat capacity is around 0.5 - 0.9 J/g°C. It is a measure of how much heat energy is required to raise the temperature of one gram of the material by one degree Celsius.
What is the room temperature of transition metals?
The room temperature of transition metals typically refers to their physical state at around 20-25°C (68-77°F). Most transition metals, such as iron, copper, and nickel, are solid at this temperature, exhibiting metallic properties like conductivity and malleability. However, mercury is an exception, as it is a liquid at room temperature. The specific properties and behaviors of transition metals can vary widely, influenced by their unique electronic structures.
The lowest temperature coefficient metal is?
The metal with the lowest temperature coefficient is Platinum. Its temperature coefficient of resistance is among the lowest of all metals, making it a preferred choice for applications where stability in resistance over a wide temperature range is required.
A metal that is solid at room temperature?
Most metals are solid at room temperature (20-30C)as room temperature is not enough to provide them required kinetic energy to overcome their forces of attraction or convert its state.thus,they remain solid at room temperature.
What is the molar specific heat of all metals near room temperature?
The molar specific heat of most metals near room temperature is approximately 25 J/molK.
What are unknown metals?
Today unknown metals doesn't exist.
What is the specific heat of 3.56g of an unknown metal if 2.1kj are required to raise the metals temperature 5 c?
Here we use the equation ΔQ=mcΔT, where ΔQ is the energy change of the system, m is the mass of the substance, c is the specific heat capacity of the substance, and ΔT is the temperature change of the system. It can be rearranged to get c as the subject:c=(ΔQ)/(mΔT)Putting your known values into this equation yields an answer of 118Jg-1K-1.
Why do some metals give a bigger temperature change than others?
Some metals have higher specific heat capacities, which means they require more energy to change their temperature. As a result, when these metals absorb or release heat, they tend to exhibit a smaller temperature change. In contrast, metals with lower specific heat capacities experience more significant temperature changes when gaining or losing the same amount of heat.
What temperature is required for a bimetallic strip to bend?
A bimetallic strip will bend when exposed to a temperature above its specific bending temperature, typically in the range of 100-200 degrees Celsius. The differential expansion of the two metals in the strip causes it to bend due to the unequal expansion rates.
How do you anneal nonferrous and ferrous?
Annealing nonferrous metals involves heating them to a specific temperature and then allowing them to cool slowly in a controlled environment to relieve stress and improve ductility. For ferrous metals, the process involves heating to a specific temperature and then cooling rapidly to achieve the desired mechanical properties. The cooling rate for ferrous metals is typically faster than for nonferrous metals.
Are metals or nonmetals gray solids at room temperature?
Metals are typically solid at room temperature, but nonmetals can exist in various states such as solids, liquids, or gases. Gray color is not specific to either metals or nonmetals at room temperature.
What is a Quarters specific heat capacity?
Specific heat capacity is the amount of heat energy required to raise the temperature of one unit of mass of a substance by one degree Celsius. For quarters, which are made of a combination of metals like copper and nickel, the specific heat capacity would be an average value based on the specific heat capacities of those metals. The specific heat capacity of quarters would be approximately 0.39 J/g°C, which means it takes 0.39 joules of energy to raise the temperature of 1 gram of quarters by 1 degree Celsius.
What is the specific heat capacity of a wire?
The specific heat capacity of a wire depends on the material it is made of. For most metals, the specific heat capacity is around 0.5 - 0.9 J/g°C. It is a measure of how much heat energy is required to raise the temperature of one gram of the material by one degree Celsius.
If the same amount of heat is added to 25.0 g samples of each of the metals in the chart which metal will experience the largest temperature change (AKS 7E - DOK 2)?
The metal with the lowest specific heat capacity will experience the largest temperature change when the same amount of heat is added. This is because metals with lower specific heat capacities require less heat to raise their temperature compared to metals with higher specific heat capacities. Therefore, you should select the metal with the lowest specific heat capacity from the chart to determine which one will experience the largest temperature change.
What is hot working of metals?
Hot working of metals is defined as a process of forming metals by deformation at temperature above the recrystallization temperature.
The lowest temperature coefficient metal is?
The metal with the lowest temperature coefficient is Platinum. Its temperature coefficient of resistance is among the lowest of all metals, making it a preferred choice for applications where stability in resistance over a wide temperature range is required.
