A 1.200 g sample of ZnCO3 (s) dissolved in 40.0 mL of a dilute HCl solution (density = 1.10 g/mL) in a coffee cup calorimeter, producing CO2 (g), liquid water and ZnCl2 (aq).  The temperature of the solution changes from 24.32 oC to 25.49 oC.  The resulting solution has a specific heat of 4.18 J/goC.What would the ∆H for the reaction of one mole of ZnCO3 with HCl as determined by this experiment.

Question
Asked Oct 25, 2019
51 views

A 1.200 g sample of ZnCO3 (s) dissolved in 40.0 mL of a dilute HCl solution (density = 1.10 g/mL) in a coffee cup calorimeter, producing CO2 (g), liquid water and ZnCl2 (aq).  The temperature of the solution changes from 24.32 oC to 25.49 oC.  The resulting solution has a specific heat of 4.18 J/goC.

What would the ∆H for the reaction of one mole of ZnCO3 with HCl as determined by this experiment.

check_circle

Expert Answer

Step 1

The reactants are zinc carbonate and dilute hydrochlo...

help_outline

Image Transcriptionclose

+H20 2(g) ZnCO +2HCl ZnCl. 3(s) 2 (аq) Moles of Zinc= mass of zine molar mass 1.200g 65.38g/mol = 1.8x102 mol Zn mass of HCl molar mass 0.44g 36.5g/mol =1.20x103 mol HCl Moles of HCl = Zn+2HC- ZnCl. +H '2(aq) 2(g) *(s)

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

General Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: In one experiment you reacted 45.7g of Aluminum with 182.8g of Iron (III) oxide to produce Aluminum ...

A: GivenAluminium reacts with Ferric oxide to produce Aluminium oxide and ironThe mass of aluminium= 45...

question_answer

Q: calculate the wavelength of the radio waves used to produce the AM radio signal found at 1140 kilohe...

A: The wavelength of the radio waves used to produce the AM radio signal found at 1140 kilohertz (MHz) ...

question_answer

Q: ter 06 em 17 Part A For the reaction, calculate how many grams of the product form when 1.6 g of Cl2...

A: Given,Chloride = 1.6 gMolar mass of Cl2 = 70.906 g/molMolar mass of NaCl = 58.44 g/mol

question_answer

Q: How many of the nuclei of a radioactive sample containing 2048 nuclei decay in 3 years, if it's half...

A: Half life of a radioactive sample is the time in which half of the sample is decayed i.e. 50% of the...

question_answer

Q: What is the molar solubility of PbI2 in 0.100 M NaI? Ksp PBI2+ 9.8 x 10-9.

A: The molar solubility of PbI2 in 0.100 M NaI is to be calculated. Ksp of PBI2 = + 9.8 x 10-9.

question_answer

Q: Enter your answer in the provided box. The equilibrium constant KP for the reaction is 209 at a cert...

A: The kP equation for given reaction is as follows,

question_answer

Q: On the basis of the general solubility rules given in Table 7.1, write a balanced molecular equation...

A: The following are the solubility rules for common ionic solids:Salts containing Group I elements (Li...

question_answer

Q: A compound has a mass of 45.632 grams was added to 500.0 ml of water with an initial temperature  of...

A: The density and specific heat capacity of water at standard conditions are 1g/mL and 1 Cal/g.0C.

question_answer

Q: Calculate the number of moles of NaOH in 18.50 mL of a 1.00 M solution of NaOH

A: Given,NaOH = 18.50 ml of 1.0 M