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What occurs when a 35-gram aluminum cube at 100C is placed in 90 grams of water at 25C in an insulated cup?
Wiki User
∙ 10y ago
Heat if transferred from the aluminum to the water, and the temperature of the water increase
Wiki User
∙ 10y ago
The aluminum cube will lose heat as it cools down to the final temperature of the system. This heat will be transferred to the water causing it to increase in temperature. The final equilibrium temperature will be somewhere between the initial temperatures of the aluminum and water.
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What happens if a piece of aluminum is placed in a lead nitrate solution?
A single displacement reaction occurs, where aluminum displaces lead from the lead nitrate solution to form aluminum nitrate and lead metal. This reaction will produce a silver-like appearance on the surface of the aluminum due to the deposition of lead metal.
Does aluminum foil collect heat?
Aluminum foil is a good conductor of heat, meaning it can transfer heat quickly. When placed on a hot surface or wrapped around food in an oven, aluminum foil can help trap and reflect heat, aiding in the cooking or warming process.
What effect does the aluminum foil have when it is placed between the candle wax and the wick?
Aluminum foil placed between the candle wax and the wick can act as a barrier to prevent the wax from fully absorbing into the wick. This can help control the rate at which the wax is consumed, potentially leading to a longer-lasting candle.
What happens to aluminum foil in salt water?
When aluminum foil is placed in salt water, it undergoes a chemical reaction called galvanic corrosion. The saltwater acts as an electrolyte, causing the aluminum foil to break down and release aluminum ions into the water. This process leads to the gradual deterioration and disintegration of the foil over time.
When copper (II) nitrate solution has aluminum foil placed in it starts to come out on the top.?
This reaction is an example of a displacement reaction, where aluminum displaces copper from copper (II) nitrate solution to form aluminum nitrate and copper metal. The copper metal appearing on top of the solution is a result of this displacement reaction.
What element is after aluminum?
The element after aluminum is silicon, with the atomic number 14.
Crenation occurs when blood is placed in a?
hypertonic solution
Is the wick part of the chemical reaction if aluminum is placed between the liquid and the wick?
No.
What wire channel consists of an insulated copper wire wrapped in a solid or braided shield placed in an external cover?
coaxial cable
Crenation occurs when a blood cell is placed in a?
hypertonic solution, causing water to leave the cell and causing it to shrink and become distorted in shape.
What element group does aluminum have?
Aluminium is placed in the group 13 of the periodic table of Mendeleev.
When a piece of copper is placed in a lead nitrate solution?
A displacement reaction occurs where the copper replaces the lead in the lead nitrate solution to form copper nitrate, while lead metal is deposited. This is because copper is higher in the reactivity series than lead. The chemical equation for this reaction is Cu + Pb(NO3)2 → Cu(NO3)2 + Pb.
Does aluminum foil or paper towels keep water placed in a cup and ice colder?
alot
What is the Difference between air insulated substation and gas substation?
Air insulated means the substation is in the open air, and the dielectric strength of the air is used to isolate conductors from each other and from ground. Gas insulated means a specific gas is used for insulation; this gas is usually an inert gas such as nitrogen. Gas insulated substations, by definition, are required to be inside a contained structure, or large piping must be placed around all conductors to hold the gas.
How can aluminum foil float in water?
Aluminum foil can float on water due to its low density, which allows it to displace a greater amount of water than its own weight. This creates buoyant force that keeps the foil afloat.
When a piece of copper is placed in a lead nitrate solution what will happen?
A redox reaction will occur, with copper displacing lead from the lead nitrate solution to form copper nitrate and lead. The copper will turn into a reddish-brown color due to the formation of copper ions in the solution.
What effect does the aluminum foil have when it is placed between the candle wax and the wick?
Aluminum foil placed between the candle wax and the wick can act as a barrier to prevent the wax from fully absorbing into the wick. This can help control the rate at which the wax is consumed, potentially leading to a longer-lasting candle.
