0
because molecules dissolve or melt during the process and expands.
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
How much energy would be absorb as heat by 75g of iron when heated from 295K to 301K?
2•10^2
Does aluminum expand twice as much as cast iron?
Linear Coefficient of Expansion.Heating a metal to temperatures below its melting point causes it to expand or increase in length. If a bar or rod is uniformly heated along its length, every unit of length of the bar increases. This increase per unit length per degree rise in temperature is called the coefficient of linear expansion. Where a metal will be alternately subjected to beating and cooling cycles and must maintain a certain tolerance of dimensions, a low coefficient of thermal expansion is desirable. When in contact with a metal of a different coefficient, this consideration assumes greater importance.Titanium has a low coefficient of linear expansion which is equal to 5.0x10-6inch per inch/°F, whereas that of stainless steel is 7.8x10-6, copper 16.5x10-6, and aluminum 12.9x10-6.copied fromhttp://www.keytometals.com/ARTICLE122.HTM
What is better cast aluminum or wrought iron?
Cast iron, wrought iron and steel are all essentially alloys of iron and carbon.Wrought iron is iron with a low carbon content, it was used in place of Cast iron is iron that has been shaped by being poured into a cast.
What is the difference between gravity die casting and die casting?
Die casting is done by forcing molten metal under high pressure into a mold. Gravity die casting is a simpler method in which molten metal is poured into the mold rather than using force and high pressure. Gravity die casting is mostly used for only simple shapes, while die casting can be used for much more complex ones.
Purest form of iron is?
Wrought iron is purer than pig iron. When purifying iron ore in a furnace furnace, air is passed through a "charge" of iron ore, limestone, and some form of carbon, charcoal or coal. This "smelting" process is a chemical change: the molten iron produced is tapped from the furnace as "pig" iron. Pig iron is iron with a high carbon content as well as some sulfur. Due to it's impurities pig iron has a lower melting point and is acceptable for casting but not forging. Wrought Iron is made much the same way with the exception of the carbon source being used is coke, a purified form of bituminous coal. Coke being a purer form of carbon burns smokeless and imparts little to no carbon to the iron allowing more impurities to burn out. This byproduct is wrought iron. Wrought iron is acceptable for either casting or forging.
Do solids expand to a much greater extent than gases when heated?
No, gases expand more than solids when heated.
How much will water expand in a cistern when heated?
What size cistern what temp
How much does air expand when heated?
it depends on how much it is heated for example when lightning is released it expands the air by thousands of degrees by heat of it.and there is a big banging sound known as thunder
Why would an engineer need to know the effect of temperature on a solid?
Things expand when heated, and different materials expand differently. An engineer needs to calculate HOW MUCH things expand, and factor this in when designing anything.
The use of iron for tools and weapons developed later than the use of copper because iron?
Iron needs to be heated to a much higher temperature to find and mold
Can one consider steel casting and cast iron as same for all practical purposes?
No, cast iron is much more brittle and cannot withstand as much pressures as cast steel. It cannot be used for many of the same purposes that cast steel can be used for. Yes you can condsider steel casting and casting irom the same. Mainly because both are as strong as one another.
How much iron sulphide will be formed if 56 g of iron and 40 g of sulphur are mixed together and heated?
Fe+S________ FeS
How much will air expand when it is heated?
As much as it's allowed to. Remember: Any gas always expands to fill the container it's in, even without heating it.
Why do materials expand once heated?
This is called thermal expansion. When an object is heated, it's particles move faster. This causes greater separation between the particles and the object expands. The coefficient of thermal expansion describes how much an object will expand per degree with the same applied pressure.
How much does a cast iron Chevy 350 long block weigh casting number 10243880?
A cast iron Chevy 350 long block with the casting number 10243880 weighs 410 pounds. The engine will way even more once the intake and accessories are installed.
Does steel expand when heated?
Yes. Pretty much every material expands when it gets hotter. Steels expand moderately, around 10-15 parts per million per degree Celsius.
How much energy would be absorb as heat by 75g of iron when heated from 295K to 301K?
2•10^2
