What was the final temperature of the gold

Assignment Help Chemistry
Reference no: EM13150601

A 4.5 g nugget of gold absorbed 276 j of heat. What was the final temperature of the gold if the initial temperature was 25 OC ? The specific heat of gold is 0.129 j/g OC.

Reference no: EM13150601

Questions Cloud

Calculate the molality, the molarity of nano3 : An aqueous solution of NaNO3 is 22.0% NaNO3 by mass. The density of the solution is 1.127 g/mL. Calculate the molality, the molarity and the mole fraction of NaNO3.
First three months and the interest rate is reduced : If the CD is cashed in before September 1, 2006, you lose all interest for the first three months and the interest rate is reduced to 1.9%, compounded monthly, after the first three months.
Prepare the acquisition analysis : Prepare the acquisition analysis at 1 July 2014, and the consolidation worksheet entries for preparation of consolidated financial statements of Pavo Ltd at that date.
Managerial accounting-streuling enterprises : At March 31 Streuling Enterprises, a merchandising firm, had an inventory of 38,000 units, and it had accounts receivable totaling $85,000. Sales, in units, have been budgeted as follows for the next four months:
What was the final temperature of the gold : A 4.5 g nugget of gold absorbed 276 j of heat. What was the final temperature of the gold if the initial temperature was 25 OC ? The specific heat of gold is 0.129 j/g OC.
Compute the corresponding entropy for each state : Calculate the corresponding entropy for each state. d) Calculate the temperature for each state.
Describe what a cortical module : Describe what a cortical module ,what are all of the components and how they work together for the purpose of the strait cortex.
Which of the two units would you recommend : Which of the two units would you recommend ? What initial cost of machine A woul make the two machines identical in overal cost?
How much oxygen reacted : if you burn 40.7 g of hydrogen and produce 364g of water, how much oxygen reacted?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain potassium cyanide in water

However, if you treat formaldehyde (CH2O) with potassium cyanide in water, you will not produce the cyanohydrin. You may even produce C3H6O3 (i.e., dihydroxyacetone and glyceraldehyde). Explain this either in words or reactions.

  Determine value for the rate of formation of hcl

Determine value for the rate of formation of HCl during the same interval  of 3 seconds If the rate of disappearance H2 = -0.13 M/s at this specific time?

  Calculating the density of lead

Lead has a face-centered cubic lattice with all atoms at the lattice points and a unit-cell edge length of 495.0pm its atomic mass is 207.2 amu what is the density of lead?

  Examine of two unknown organic structures

Analysis of two unknown organic structures, Unknown compound A (C8H12) is reacted with H2 (excess) in the presence of a palladium catalyst forming compound B (C8H16).

  Determine the ratio of water to copper(ii) sulfate

A mass of 2.50 g of hydrated copper(II) sulfate is placed in a crucible and heated. On heating, 1.59 g of white anhydrous copper(II) sulfate is left behind. Determine the ratio of water to copper(II) sulfate.

  Find ka of the acid

a solid acid is dissolved in enough water to make 200 ml of a solution. 40 ml of the solution is titrated to a phenolphthalein end point with an NaOH solution.

  Calculating the concentration of the acetate ion

Calculating the concentration of the acetate ion when dissociation of acetic acid occurs in water and over varying pH conditions?

  What is the hydroxide ion concentration

A solution has an H3O1+ concentration of 1.7 10-2 M. What is the hydroxide ion concentration?

  What is the formula of the oxide

A strip of electrolytically pure copper weighing 3.178 gram is strongly heated in a stream of oxygen until it is all converted to a black oxide. The resultant black powder weighs 3.978 g. What is the formula of the oxide?

  What is the molar concentration of the ammonia

If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?

  Define the molecular bonding of hydrocortisone

Can you please explain the molecular bonding of hydrocortisone. How many functional groups and what are they? I need the explanation of the actual chemical structure

  What is the total sample size

What is the total sample size (in grams) for a sample of disulfur octoxide which contains 3.52 g of oxygen.

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