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At a certain temperature T1, a (1.2324x10^2) mm rod of a copper alloy containing (3.04x10^1) at%...
At a certain temperature T1, a (1.2324x10^2) mm rod of a copper alloy containing (3.04x10^1) at% Ni has a resistivity of (2.725x10^1) x 10-8 Ω-m.
For pure copper, the resistivity at 0°C is 1.58 x
10-8 Ω-m and the change in resistivity per degree
increase in temperature is 6.50 x 10-11 (Ω-m)/°C. The
value of A for nickel in copper is 1.18 x 10-6 Ω-m and
the coefficient of thermal expansion of this alloy is (1.6947x10^1)
x 10-6 (°C)-1.
If the resistivity of this alloy is dependent only on thermal and
impurity considerations, at what temperature (in degC) will the
length of the rod change by (4.748x10^-1) mm?
Use scientific notation, significant figures in answer: 3
Please clearly show method and equations please!
Solutions
Amanda K answered 6 months agoRelated Solutions
At a certain temperature T1, a (1.8922x10^2) mm rod of a copper-nickel alloy has a resistivity...
At a certain temperature T1, a (1.8922x10^2) mm rod
of a copper-nickel alloy has a resistivity of (2.770x10^1) x
10-8 Ω-m. For pure copper, the resistivity at 0°C is
1.58 x 10-8 Ω-m and the change in resistivity per degree
increase in temperature is 6.50 x 10-11 (Ω-m)/°C. The
value of A for nickel in copper is 1.18 x 10-6 Ω-m and
the coefficient of thermal expansion of this alloy is (1.543x10^1)
x 10-6(°C)-1.
If the resistivity of this alloy...
A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to determine...
A materials scientist has created an alloy containing aluminum,
copper, and zinc, and wants to determine the percent composition of
the alloy. The scientist takes a 11.470 g sample of the alloy and
reacts it with concentrated HCl. The reaction converts all of the
aluminum and zinc in the alloy to aluminum chloride and zinc
chloride in addition to producing hydrogen gas. The copper does not
react with the HCl. Upon completion of the reaction, a total of
9.77 L...
A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to determine...
A materials scientist has created an alloy containing aluminum,
copper, and zinc, and wants to determine the percent composition of
the alloy. The scientist takes a 11.470 g sample of the alloy and
reacts it with concentrated HCl. The reaction converts all of the
aluminum and zinc in the alloy to aluminum chloride and zinc
chloride in addition to producing hydrogen gas. The copper does not
react with the HCl. Upon completion of the reaction, a total of
9.77 L...
A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to determine...
A materials scientist has created an alloy containing aluminum,
copper, and zinc, and wants to determine the percent composition of
the alloy. The scientist takes a 10.652 g sample of the alloy and
reacts it with concentrated HCl. The reaction converts all of the
aluminum and zinc in the alloy to aluminum chloride and zinc
chloride in addition to producing hydrogen gas. The copper does not
react with the HCl. Upon completion of the reaction, a total of
8.94 L...
A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to determine...
A materials scientist has created an alloy containing aluminum,
copper, and zinc, and wants to determine the percent composition of
the alloy. The scientist takes a 12.232 g sample of the alloy and
reacts it with concentrated HCl. The reaction converts all of the
aluminum and zinc in the alloy to aluminum chloride and zinc
chloride in addition to producing hydrogen gas. The copper does not
react with the HCl. Upon completion of the reaction, a total of
10.1 L...
You have a (copper) rod that is 702 mm at 20 C, you also have an...
You have a (copper) rod that is 702 mm at 20 C, you also have an
aluminum rod that has a length of 700 mm. When the rods are the
same length, what is the temperature?
. A 20 mm diameter sphere made of aluminum alloy 2024 initially at a uniform temperature...
. A 20 mm diameter sphere made of aluminum alloy 2024 initially
at a uniform temperature of 500 ºC is suddenly immersed in a
saturated water bath maintained at atmospheric pressure. The
surface of the sphere has an emissivity or 0.25. Determine.
a.) the total heat transfer coefficient for this initial
condition, and
b.) what fraction of the total coefficient is contributed by
radiation. (~180 W/m2 -K, ~ 7%)
2. G’s jokes are represented by 1 mole of a solid at temperature T1 < 273K....
2. G’s jokes are represented by 1 mole of a solid at temperature
T1 < 273K. They are so savage that when you
put them in an ocean of mass M,
initially at temperature T2 > 273 K, 2 / 3 of that
ocean freezes (and the jokes remain solid). You may assume both
cm of liquid ocean and
∆ Hm of melting ocean at Tmelt = 273 K are
known.
a) What is the molar specific heat of G’s...
To what temperature (in °C) must a cylindrical rod of one metal 10.045 mm in diameter...
To what temperature (in °C) must a cylindrical rod of one metal
10.045 mm in diameter and a plate of second metal having a circular
hole 9.990 mm in diameter have to be heated for the rod to just fit
into the hole? Assume that the initial temperature is 25°C and that
the linear expansion coefficient values for metals one and two are
4.9 x 10-6 (°C)-1 and 17 x 10-6
(°C)-1, respectively.
1. A block of an alloy of mass 27.0 g and at a temperature of 277.22...
1. A block of an alloy of mass 27.0 g and at a temperature of
277.22 K is placed in a calorimeter containing 41.0 g of water at
357.74 K. If the final temperature of the alloy and water is 303.59
K, calculate the specific heat (in J/g/K) of the metal. The
specific heat of water is 4.184 J/g/K. Express your answer to three
significant figures in scientific notation.
2.A 0.439 g sample of solid N(CH3)4Cl (s)
is dissolved in...
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