Define what is delta h rxn/mol mg for the reaction

Assignment Help Chemistry
Reference no: EM13494805

What is delta H rxn/mol Mg for the following reaction? Mg + 2HCl -> MgCl2 + H2 if 0.158 g Mg reacts in 100.0 mL of solution and changes the temperature from 25.6 °C to 32.8 °C? I have the answer im just not getting it please explain & let me know which formula's you use.

Reference no: EM13494805

Questions Cloud

State a hybridization and bonding scheme : Write a hybridization and bonding scheme for each molecule. Sketch the molecule, include overlapping of orbitals, and label all bonds. a) CCL4 b)NH3 c)OF2 d)CO2
Define the hazard classification of areas : Discuss the Hazard classification of areas; class, group, division with respect to flammable gas atmosphere in a chemical process industry and Outline the Principles and standards of intrinsic safety, techniques in the design, use of intrinsically..
Depict all the unique isomers for the complex : Draw all the unique isomers for the complex [Co(NH3)3(H2O)ClBr]+, which has cobalt in an octahedral geometry. Identify whether each isomer is chiral or achiral. Predict the number of unpaired electrons expected for this complex. (Hint: Co3+ is usu..
Find the importance of accounting information : Review the performance of Valley view Playgyms in 2012 and make a recommendation as to whether Johnson's overdraft facility should be cancelled.
Define what is delta h rxn/mol mg for the reaction : What is delta H rxn/mol Mg for the following reaction. Mg + 2HCl -> MgCl2 + H2 if 0.158 g Mg reacts in 100.0 mL of solution and changes the temperature from 25.6 °C to 32.8 °C
Define what is delta h rxn/mol mg for the reaction : What is delta H rxn/mol Mg for the following reaction. Mg + 2HCl -> MgCl2 + H2 if 0.158 g Mg reacts in 100.0 mL of solution and changes the temperature from 25.6 °C to 32.8 °C
Find the net work done on the car : The driver of a 1550 kg car, initially traveling at 12.1 m/s, applies the brakes, bringing the car to rest in a distance of 18.5 m. Find the net work done on the car
Explain geometric isomers for each of the compounds : These three complexes appear colored red, yellow, and green (but not necessarily in that order). Match each complex with its apparent color. d.) Could any of these compounds exhibit geometrical isomerism? Show all possible geometric isomers for ea..
What is your heart rate in beats per minute : You measure the period of your heartbeat on a particular EKG graph to be 0.9451 ± 0.06576 seconds. What is your heart rate in beats per minute

Reviews

Write a Review

Chemistry Questions & Answers

  What would the volume of the gas be

A certain quantity of a gas occupies 61.3 mL at 68C. If the pressure remains constant, what would the volume of the gas be at 17C?

  What is the molarity of citric acid

Supppose that a 1 L solution is made from 226 mg of citric acid (C6H8O7).What is the molarity of citric acid?

  Calculate the ph of a solution

A buffer is prepared by mixing 615 mL of 0.50 M formic acid, HCHO2, and 385 mL of 0.50 M sodium formate, NaCHO2. Calculate the pH.

  What is the observed rotation for a solution

The specific rotation, [?]D, for (+)-tartaric acid is +12. What is the observed rotation for a solution of 0.75 g of (+)-tartaric acid in 10 mL of water in a sample tube having a pathlength of 10 cm?

  How many moles of nh3 will be produced

Ammonia is made industrially by reacting nitrogen and hydrogen under pressure, at high temperature, and in the presence of a catalyst. The equation is N2(g)+3H2(g)---->2NH3(g). If 4.0mol of H2 react, how many moles of NH3 will be produced.

  Calculate the heat of neutralization

Calculate the heat of neutralization when it is given that : heat capacity of the calorimeter =28.7 J/oC ,the specific heat of the mixture =4.184 J/goC, density of the solution =1.02 g/mL.

  Explain is sodium prechlorate an aques solution

Is sodium prechlorate an aques solution. And also, how do you differentiate a solid, liquid, gas, and aquesous solution just by the equation

  State how many mol of o2 are required to form 3.20 mol fe2o3

How can you tell from the information provided with the balanced equation. How many mol of O2 are required to form 3.20 mol Fe2O3. How much heat is exchanged when 14.3 kg of iron rusts

  Explain 6 m h2so4 is carelessly substituted for 6 m hcl

6 M H2SO4 is carelessly substituted for 6 M HCL. Will more or fewer drops of 6 M H2SO4 be required for the litmus to change color

  Compute the [oh-] in a solution of oxalic acid

Use the values of Ka1 = 0.056 and Ka2 = 5.4 x 10-5 to calculate the [OH-] in a 0.456 M solution of oxalic acid (H2C2O4). Use E notation and 3 significant figures.

  How many grams of sodium carbonate silver nitrate silver

a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams

  Explain how to prepare an acetate buffer

What volume (V) of 2.20 M NaOH solution must you add in order to prepare an acetate buffer of pH 5.24? (the pKa of acetic acid is 4.76)

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