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FAQ

11 g of aluminum at 200 C and 19 g of copper are dropped into 55 cm^3 of ethyl alcohol at 15 C. The temperature quickly comes to 24 C. What was the initial temperature of the copper? (answer in C) Express your answer using two significant figures.

Example Problem Statement: An aluminum wing on a passenger jet is 29 m long when its temperature is 29°C. At what temperature would the wing be 7 cm (0.07 m) shorter? Step 1: Write down what you know in symbolic form: The wing is made of aluminum, therefore: α = 25 x 10-6 /oC Length: l = 29 m Temperature: T1 = 29 oC Change in length: Δl = -7 cm (-0.07 m) Step 2: Write down what you don't know in symbolic form: Temperature: T2 = ? oC Step 3: Find an equation that contains what you know and what you don't know: Δl = αlΔT = αl(T2 - T1) Step 4: Solve the equation for what you don't know: Δl = αl(T2 - T1); divide both sides by αl Δl/ αl = (αl/ αl )(T2 - T1) = T2 - T1; add T1 to both sides Δl/αl + T1 = T2 - T1 + T1 = T2 Δl/ αl + T1 = T2 Step 5: Plug in (substitute) what you know and you will find out what you don't know: Δl/ αl + T1 = T2 = (-0.07 m)/( 25 x 10-6 /oC x 29 m) + 29 oC = -96.551 oC + 29 oC = -67.551 oC = -67.6 oC rounded off.

Aluminum coils perform exceptionally well in saltwater environments due to their natural resistance to corrosion. Unlike other metals, aluminum forms a protective oxide layer when exposed to saltwater, creating a barrier that prevents further corrosion. This oxide layer acts as a durable and long-lasting shield against the harsh effects of saltwater, ensuring the longevity and performance of aluminum coils in marine applications. Additionally, aluminum coils are lightweight and possess high thermal conductivity, making them popular choices for heat exchangers and condensers in saltwater-based cooling systems. Overall, aluminum coils are highly reliable and efficient in saltwater environments, making them a preferred choice for various marine applications.

Aluminum coils, unfortunately, do not meet the requirements for electrical insulation applications. This material possesses a high conductivity, enabling the passage of electricity. To ensure safety and prevent short circuits or electrical shocks, insulation is essential in electrical applications. Consequently, materials like plastics, rubber, or fiberglass, which exhibit low electrical conductivity, are commonly employed for electrical insulation purposes.

is there an anti-perspirant without aluminum in it for men? i saw there was a female question for it but i need a male one xD. something that you can find at your local wal-mart or such.

i heard wal-mart carries Almay. never tried, and don't know if it's really aluminum free, but never hurts to look around next time you're there. also, here is link to a forum, i think you may find it helpful. good luck.

Yes, aluminum coils can be anodized to enhance their durability. The anodizing process creates an oxide layer on the surface of the aluminum, making it more resistant to corrosion, wear, and abrasion. This improves the overall lifespan and performance of the coils.

There are several different grades of aluminum commonly used in coils, including 1100, 3003, 5052, and 6061. Each grade has its own unique characteristics and properties, making them suitable for different applications. For example, 1100 aluminum is known for its excellent corrosion resistance and high thermal conductivity, making it ideal for heat exchangers and fins. On the other hand, 5052 aluminum offers good formability and moderate strength, making it commonly used in automotive and marine applications. Lastly, 6061 aluminum is a versatile grade with excellent strength-to-weight ratio, making it suitable for structural components and aerospace applications.

The specific manufacturing standards and industry requirements play a role in determining the typical thickness tolerances of aluminum coils. Generally, the range of thickness tolerances for aluminum coils is between +/- 0.001 and 0.005 inches. These tolerances are crucial in maintaining the thickness of the aluminum coils within acceptable limits, ensuring they meet the desired specifications and applications. It should be emphasized that the intended use of the aluminum coils, whether for architectural, automotive, or aerospace purposes, may influence the specific tolerances.

What are the manufacturers of color coated aluminium rolls made of aluminium in Jiangsu?

The company has domestic first-class roll coating production line, has a first-class management team and technical personnel, with independent intellectual property rights and mature production process. We have the spirit of "high starting high standards of quality management" principle of service customers, facing the world, facing the future, to become the industry well-known brands. Contact me if you need me