Question

Iron has a molar heat of about 25 J mol-K. Calculate the beat capacity of a...

Iron has a molar heat of about 25 J mol-K. Calculate the beat capacity of a block of iron whose volume is 1 m. Compare the result with that for the same volume of water. (The relative atomic mass of iron is 55.845 and its density is 7.86 x 10 kg m)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1- The molar mass and molar heat capacity of aluminum is 27.0 g/mol and 24.3 J/(mol...
1- The molar mass and molar heat capacity of aluminum is 27.0 g/mol and 24.3 J/(mol K), respectively. If a 27.0-g Al sample, at 300. K, absorbed 168 J of heat, what is its final temperature? 2- The molar mass and molar heat capacity of aluminum is 27.0 g/mol and 24.3 J/(mol K), respectively. If a 27.0-g Al sample, at 300. K, absorbed 152 J of heat, what is its final temperature? 3- 100. g water, at 20 C, and...
A 78 kg block of Iron (Specific Heat Capacity 348 J/kg.K) at temperature T kelvin is...
A 78 kg block of Iron (Specific Heat Capacity 348 J/kg.K) at temperature T kelvin is inserted into 5 kg of water (Specific Heat Capacity 4005 J/kg.K and initial temperature is 300 K). Final temperature of the mixture is 308 K. Assuming no heat loss to surrounding calculate the initial temperature of the iron block: _______ K
(a) The molar heat capacity of lead is 26.44 J K-1 mol-1. How much energy must...
(a) The molar heat capacity of lead is 26.44 J K-1 mol-1. How much energy must be supplied (by heating) to 100 g of lead to increase it’s temperature by 10.0°C? (b) The molar heat capacity of sodium is 28.24 J K-1 mol-1. What is its specific heat capacity? (c) The specific heat capacity of copper is 0.384 J K-1 g-1. What is its molar heat capacity?
1. The specific heat of iron metal is 0.450 J/g⋅K. How many J of heat are...
1. The specific heat of iron metal is 0.450 J/g⋅K. How many J of heat are necessary to raise the temperature of a 1.05 −kg block of iron from 28.0 ∘Cto 85.0 ∘C? 2. A 1.80-g sample of phenol (C6H5OH) was burned in a bomb calorimeter whose total heat capacity is 11.66 kJ/∘C. The temperature of the calorimeter plus contents increased from 21.36∘Cto 26.37∘C. A. Write a balanced chemical equation for the bomb calorimeter reaction. B. What is the heat...
#21. (a) What is the molar heat capacity of liquid water? 75.2 J/mol oC (this one...
#21. (a) What is the molar heat capacity of liquid water? 75.2 J/mol oC (this one is correct just need help with B and C) (b) What is the heat capacity of 8.58 mol of liquid water? ___kJ (c) How many kJ of heat are needed to raise the temperature of 3.02 kg of water from 35.9 oC to 74.9 oC? ___kJ
Q 4. A metal block of heat capacity 600 J K-1 loses 1 M.J of heat...
Q 4. A metal block of heat capacity 600 J K-1 loses 1 M.J of heat energy to its surroundings. Find the decrease in temperature. Q5. One mega joule of heat energy is supplied to a piece of iron and raises its temperature from 20?C to 200?C. Find the mass of the piece of iron.( Specific heat capacity of iron =451Jkg-1K-1 Q6. 30grams of water at 100?C are added to 100 grams of water at 20?C. If there is no...
The specific heat capacity of aluminium is C aluminium= 900 J/kgC, and that of iron is...
The specific heat capacity of aluminium is C aluminium= 900 J/kgC, and that of iron is C iron=450J/kgC. Samples of pure aluminium with mass M aluminium =50 kg and iron with mass M iron= 100 kg are prepared, along with a number of fancy boxes through wich heat does not flow. At an initial time, both the aluminium and iron samples are at T initial= 20C. e)Determine the effective specific heat capacity of the combined samples. f)ONe half of the...
In a calorimetry experiment to determine the specific heat capacity of a metal block, the following...
In a calorimetry experiment to determine the specific heat capacity of a metal block, the following data was recorded: Quantity Mass of the metal block 0.50 kg Mass of empty calorimeter + Stirrer 0.06 kg Mass of calorimeter + stirrer + water 0.20 kg Mass of water 0.14 kg Initial Temperature of metal block 55.5 ⁰C Initial Temperature of water and calorimeter 22 ⁰C Final Temperature of block- water system 27.4 ⁰C Take the specific heat capacity of water to...
Given the temperature-dependent (molar) heat capacity of graphite: Cp,n= 16.86( J K^-1 mol^-1) +4.77*10^-3 JK^-2mol^-1)T-8.54*10^5(JKmol^-1)T^-2 calculate...
Given the temperature-dependent (molar) heat capacity of graphite: Cp,n= 16.86( J K^-1 mol^-1) +4.77*10^-3 JK^-2mol^-1)T-8.54*10^5(JKmol^-1)T^-2 calculate the change in the molar enthalpy of graphite in going from T = 298 K to T = 348K.
A 2.50-kg block of hot iron (cFe = 0.45 J/g K; Tin = 300. oC) is...
A 2.50-kg block of hot iron (cFe = 0.45 J/g K; Tin = 300. oC) is dropped in cold water (Tin = 20 oC) to cool quickly. 1) how much heat needs to be absorbed to cool the iron block to 25 oC? A) 309 J B) 309 kJ C) 618 J D) 618 kJ E) None of the above 2) How much cold water will be needed? A) 14.8 g B) 14.8 kg C) 14.8 m3 D) 14,800 L...