A 25- sample of an alloy at 98 is placed in 50 water at

Assignment Help Chemistry
Reference no: EM13344779

A 25- sample of an alloy at 98 is placed in 50. water at 19.If the final temperature reached by the alloy sample and water is 27, what is the specific heat () of the alloy?

Reference no: EM13344779

Questions Cloud

Mixtures of helium and oxygen are used in scuba diving : mixtures of helium and oxygen are used in scuba diving tanks to help prevent the bends which is a condition caused by
If 38 moles of zinc metal react with 65 moles of silver : if 3.8 moles of zinc metal react with 6.5 moles of silver nitrate how many moles of silver metal can be formed and how
Metallic copper is formed when aluminum reacts with : metallic copper is formed when aluminum reacts with copperii sulfate. how many grams of metallic copper can be obtained
If the aluminum block is initially at 25 c what is the : suppose that 1.08 g of rubbing alcohol c3h8o evaporates from a 75.0 g aluminum block.if the aluminum block is initially
A 25- sample of an alloy at 98 is placed in 50 water at : a 25- sample of an alloy at 98 is placed in 50. water at 19.if the final temperature reached by the alloy sample and
During a strenous workout an athlete generates 18900 kj of : during a strenous workout an athlete generates 1890.0 kj of heat energy. what mass of water would have to evaporate
Iron has a reported average atomic mass of 5585 amu if iron : iron has a reported average atomic mass of 55.85 amu. if iron has two isotopes one of which has 29 neutrons and an
The solution was poured into a 250-ml volumetric flask and : a stock solution was prepared by dissolving exactly 0.4000 g of pure asa 180.16 gmol in 10.00 ml of naoh and heating
He uses the combustion of natural gas which is exothermic : he uses the combustion of natural gas which is exothermic to heat the water how much natural gas will he need to burn?

Reviews

Write a Review

Chemistry Questions & Answers

  What was the final temperature of the gold

A 4.80 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C.

  Calculate amount of heat required to raise the temperature

In some solar-heated homes, heat from the sun is stored in rocks during the day and then released during the cooler night. (a) Calculate the amount of heat required to raise the temperature of 78.7 kg of rocks from 25.0°C to 43.0°C.

  Compute the concentration of m-xylene in the air

If the groundwater at the top of the saturated zone is in equilibrium with air, calculate the concentration of m-Xylene in the air in mol/L

  Explain what is the pressure inside of the cylinder

What isthe pressure inside of the cylinder in kilopascals at 20 degrees C

  Explain the photoelectron spectrum of n2

write the MO configuration of N2^+ and terms symbol for the ground state and excited states. show the photoelectron spectrum of N2. Assign short and long progression band.

  Explain what is the value for k and the reaction constant

What is the value for k, the reaction constant, at 60 degrees if the Energy of activation = 75.5 kJ/mol?

  Explain substances have a standard heat of formation

Which of the following substances have a standard heat of formation (?Hf°) of zero? Fe at 1200 °C Cl2(g) at 2 atm O2(g) at 25.0 °C and 1 atm C2H6(g) at standard conditions

  Define what is the ph of the buffer

a buffer solution is prepred by adding 5.50g of ammonium chloride and 0.0188 mol of ammonia to enough water to make 155mL of solution a) What is the pH of the buffer

  Compute the maximum non-expansion work

Calculate the maximum non-expansion work that can be done on the surroundings from the combustion per kilogram of H2(g) at constant pressure and 298.15K.

  What is the theoretical yield of bismuth

What is the theoretical yield of bismuth when 346 g of Bi2O3 reacts with excess carbon as shown below?

  Calculate the freezing point and boiling point of a soultion

Calculate the freezing point and boiling point of a soultion of 383g of glucose dissolved in 400. g of water.

  Explain benzoic acid dissociates in water

Benzoic acid dissociates in water: C6H5COOH + H2O ==== H+ and C6H5COO- The pKa of this reaction is 4.2. In a 0.53 M solution of benzoic acid, what percentage of the molecules are ionized

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