Explain at equilibrium the temperature of the water

Assignment Help Chemistry
Reference no: EM13257307

A metal sample weighing 124.10 g and at a temperature of 99.3 C was placed in 42.87 g of water in a calorimeter at 23.9 C. At equilibrium the temperature of the water and metal was 41.6 C.

a. What was delta t for the water?

b. What was delta t for the metal?

c. How much heat flowed into the water?

d. Taking the specific heat of water to be 4.18 J/g C, calculate the specific heat of the metal.

e. What is the approximate molar mass of the metal?

Reference no: EM13257307

Questions Cloud

Problem based on bad checks : When we talk about "bad checks," are those always checks our customers have written to us? Would the company also write any bad checks and what are the repercussions for thesame? Give examples to support your answer.
Explain the heat required to vaporize one mole of the liquid : The molecular weight of X is 65.0 g/mol. The heat required to melt one mole of the solid phase is 20.0 kJ, the heat required to sublime one mole of the solid phase is 40.0 kJ, and the heat required to vaporize one mole of the liquid phase is 30.0 ..
What is the frequency of the car horn : A car is approaching a relecting wall. A stationary observer behind the car hears a sound of frequency 745Hz from the horn, What is the frequency of the car horn
Prepare a monthly flexible manufacturing overhead budget : Prepare a monthly flexible manufacturing overhead budget for 2008 for the expected range of activity, using increments of 1,000 direct labor hours.
Explain at equilibrium the temperature of the water : A metal sample weighing 124.10 g and at a temperature of 99.3 C was placed in 42.87 g of water in a calorimeter at 23.9 C. At equilibrium the temperature of the water and metal was 41.6 C.
Calculate the power loss in the lines : A pair of power transmission lines each have a 0.800 ? resistance and carry 694 A over 9.14 km. If the rms input voltage is 38.1 kV. Calculate the power loss in the lines
Compute the cost to produce one football helmet : Total the dollar amounts in each of the columns. (b) Compute the cost to produce one football helmet.
What if the information is about a particular person : The Internet provides many ethical issues and questions that don?'t even occur to many users. For example, if you get an interesting or funny e-mail, do you have any responsibility to see if it is true before you forward.
Create schedule of expected collections from customers : Create the schedule of expected collections from customers for match. Prepare a schedle of expected payments for direct materialsfor match.

Reviews

Write a Review

Chemistry Questions & Answers

  State n-methylpropionamide using propionic acid

Show how to make N-methylpropionamide using propionic acid and methylamine and other necessary reagents. The methylamine and propionic acid do not both have to be used in the first step.

  Chemical reaction at constant temperature and pressure

Determine the values of q, w, and ΔE0rxn for this given chemical reaction at constant temperature and pressure?

  Explain how many grams of potassium chlorate decompose

How many grams of potassium chlorate decompose to potassium chloride and 527 mL of O2 at 128 degrees C and 752 torr?

  State molar constant-volume heat capacity

A sample consisting of 3.0 mol of ideal gas molecules at 200K at 2.00 atm is compressed reversibly and adiabatically until the temperature reaches 250K.

  Define balanced equation for the ionization of the weak base

Write the balanced equation for the ionization of the weak base pyridine, C5H5N, in water, H2O. Phases, such as (aq) or (l), are optional.

  Determine the theoretical mole ratio of nacl to nahco3

Determine the theoretical mole ratio of NaCl to NaHCO3.

  Explain how many calories are present in a snickers

snickers bar holds 1.17 megajoules of energy. How many large calories or Calories are present in a snickers bar?

  What is the value of delta s when compressed

What is the value of Delta S when 2.7g of CH4 is compressed from 29.0 L to 18.0 L at a constant temperature of 100 C?

  Explain permanganate and ceric ammonium nitrate

Indicate which compounds present i) in the reactants and ii) in the products from this lab experiment could be expected to give positive tests with a) permanganate and b) ceric ammonium nitrate.

  Explain and write a blance equation with cu

Write a blance equation with Cu, NaI, I2, and a drop of acetic acid to form CuO and CuCO3.Cu(OH)2.

  Explain diphenylethyne can be prepared from meso

Diphenylethyne can be prepared from meso-1,2-dibromo-1,2-diphenylethane, by double E2 elimination via the corresponding alkene. a) Which alkene is initially formed?

  Explain why it is appropiate to group a polyatomic ion

Explain why it is appropiate to group a polyatomic ion in parenthses in a chemical formula, if more than one of that ion is present in the formula.

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