Explain the final temperature of the two pieces of metal

Assignment Help Chemistry
Reference no: EM13231007

A 15 gram piece of iron is heated to a temperature of 47.0 ?C and then placed in contact with a 275 g piece of copper at 20.0 ?C (Cp = 25.46 J/mol-?C). What was the final temperature of the two pieces of metal?

Reference no: EM13231007

Questions Cloud

Calculate the hole diffusion current density versus x : The total current in a semiconductor is constant and is composed of electron drift current and hole diffusion current. The electron concentration is constant and is equal to 10^17 cm^-3. The hole concentration is given by p(x)
State what is the volume of the gas under the new conditions : 25.0 mL of a gas with a pressure of 1.00 atm is contained in a balloon at 25.0 C. The balloon is then cooled to 5.0 C, and the pressure is found to be 0.750 atm. What is the volume of the gas under the new conditions?
Explain the bottleneck and the founder effects : What two evolutionary agents are most responsible fordecreases in gentic variation in a population, What is the difference between bottleneck effect and the founder effect
Whats the probability of the 5th roll being the first roll : A fair 6-sided die was tossed in a fair way 5 times. a. What's the probability of getting the sequence of outcomes 1, not 1, 2, not 2, 3 b. What's the probability of getting exactly two 6's in the sequence of 5 tosses
Explain the final temperature of the two pieces of metal : A 15 gram piece of iron is heated to a temperature of 47.0 ?C and then placed in contact with a 275 g piece of copper at 20.0 ?C (Cp = 25.46 J/mol-?C). What was the final temperature of the two pieces of metal?
The value display style tells the browser not the element : The ____ value of the display style tells the browser not the display the element.
Explain how much heat is required to raise the temperature : The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the temperature of 10.0 mL of bromine from 25.00 °C to 27.30 °C? The density of liquid bromine is 3.12 g/mL.
Find the marginal pdfs and joint cdf : The amplitudes of two signals X and Y have joint pdf: fXY (x,y) = e^(-x/2)*y*e^(-y^2) for x>0 , y>0. (a) Find the joint CDF (b) Find P [sqrt(x) > y] (c) Find the marginal PDFs (d) Determine if X and Y are independent.
Define the reversion and missense mutation : The E. coli gene lacYencodes a protein called lactose permease, Reversion, Intragenic suppressor, Intergenic suppressor, Missense mutation

Reviews

Write a Review

Chemistry Questions & Answers

  How many moles of gas are present in the sample

A sample of chlorine gas in confinedin a 5.9L container at 220. torr and 27 degrees Celsius. How many moles of gas are present in the sample?

  What is the mass, in grams, of the liquid propylene glycol

What is the mass, in grams, of 55.0 mL of the liquid propylene glycol, a moisturizing agent for foods, which has a density of 1.036 g/mL at 25 degress Celcius.

  Catalyst to reduce cure temperature in bonding wood with mdi

Catalyst to Reduce Cure Temperature in Bonding Wood with MDI, A wood chemistry course that indicates that methylene diphenylisocyanate (MDI) is used as a common resin and/or glue in bonding wood fibers together in composite type substrates.

  Calculate the current strength needed to vaporize

Calculate the current strength needed to vaporize 12 g of compound X (Mw = 180.16 g/mol and a molar enthalpy of vaporization of 106.4 kJ/mol) in 30 seconds using a 16 volt battery.

  How to write the complete chemical equation describing

Predict the precipitate that forms when aqueous solutions of silver nitrate and potassium chloride react to form products in a double-replacement reaction. Include a discussion of how to write the complete chemical equation describing this reactio..

  Explain the water layer into the octanol layer

The log P value for nicotine is 1.09. If 20 mL of 0.10 g/mL nicotine solution in water is extracted with 20 mL of octanol, how much nicotine is removed from the water layer into the octanol layer?

  Define solid sodium metal reacts with water

solid sodium metal reacts with water, giving a solution of sodium hydroxide and releasing hydrogen gas

  Determine the empirical and molecular formulas

determine the empirical and molecular formulas of a hydrocarbon which has a molecular weight of 84 mass unit which contains 85.7% carbon.

  Explain what was the molar solubility of caco3 in solution

What was the molar solubility of CaCO3 in this solution (Kb1(CO32-) = 1.8 × 10-4)

  Find out the oxidation state of the elements

Balance the following redox reaction in acidic conditions by following the instructions described below: As2O3 (s) + NO3- (aq) > H3AsO4 (aq) + NO (g)1. Determine the oxidation state of each of the elements or compounds involved in the reaction

  How many moles of calcium ions are in 1l of cacl2

how many moles of calcium ions are in 1L of a 2.0M solution of CaCl2

  State the reaction between magnesium and cobalt sulfate

Write the balanced molecular, ionic and net ionic equations for the reaction between magnesium and cobalt(II) sulfate. (b) What is oxidized and what is reduced in the reaction?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd