State what is the q rxn in joules

Assignment Help Chemistry
Reference no: EM13180685

When 5.0 g of CaCl2 was dissolved in 50ml of water in a coffee cup calorimeter, the temperature of the solution rose from 22.3 C to 30.5 C.

What is the q solution in Joules and what is the q rxn in Joules?

What is the delta H rxn in kJ/mol of CaCl2 dissolved?

Reference no: EM13180685

Questions Cloud

State how much benzoic acid present in the organic layer : If 10 grams of an organic layer is extracted with an additional amount of fresh water, how much benzoic acid would be present in the organic layer
The solvent molecules immediately cluster around the ions : When an ionic solid is added into a solvent, you can see that the ionic solid dissociates into its respective cations and anions. The solvent molecules immediately cluster around the ions.
What are short run and long-run periods of economic : Why does the economic transfer price to the consumer include implicit cost (normal profits, externalitiea, and other unrecorded cost) which you do not find in accounting cost? 2) What are short run and long-run periods of economic? Does the Law of ..
Compute the amount of these reactants required : Calculate the amount of these reactants required to produce 14 grams of 5-methyl-5-nonanol assuming an 80% yield.
State what is the q rxn in joules : When 5.0 g of CaCl2 was dissolved in 50ml of water in a coffee cup calorimeter, the temperature of the solution rose from 22.3 C to 30.5 C. What is the q solution in Joules and what is the q rxn in Joules?
State what is the q solution in joules : When 35 ml of 1.0 M HNO3 was mixed with 50 ml of 1.0 M NaOH in a coffee cup calorimeter, the temperature of the solution rose from 24.8 C to 31.7 C.
Explain marginal utility : 1) Suppose that ms. Spencer is presently spending all her budget purchasing 10 units of A and 8 units of B at prices of $2 and $4 respectively. The marginal utility of the last units of A and B are 16 and 24 respectively. These data suggest that..
State the metal is quickly transferred : A 20.94 g sample of an unknown metal is heated to 99.4 C in a hot water bath. The metal is quickly transferred to 100ml of water at 22.0 C in a coffee cup calorimeter.
State solution depends on the number of particles : Since the freezing point of a solution depends on the number of particles, what would you expect the freezing point of 0.1 m solutions of aqueous NaCL and BaCl2?

Reviews

Write a Review

Chemistry Questions & Answers

  How fast must a 144.1g baseball travel

how fast must a 144.1g baseball travel in order to have a de Broglie wavelength that is equal to that of an x-ray photon with = 73 pm?

  How many uranium atoms would have to be laid side by side

The radius of a uranium atom is 149 pm. How many uranium atoms would have to be laid side by side to span a distance of 4.55 mm?

  Calculate the ph of a buffer formed

Calculate the pH of a buffer formed by mixing 95 mL of 0.13 M lactic acid with 85 mL of 0.15 M sodium lactate.

  What is the maximum wavelength of light

The work function of an element is the energy required to remove an electron from the surface of the solid element. The work function for lithium is 279.7 kJ/mol.

  State bromide ion in a saturated solution in equlibrium

If the concentration of bromide ion in a saturated solution in equlibrium with PbBr2 solid is determined to be .0125M what is the solubility of PbBr2

  Explain method for trapping a gas

Method for Trapping a Gas, The decomposition of 3-sulfolene to form 1,3-butadiene generates 1 mole of sulfur dioxide gas per mole of 1,3-butadiene. Substantial quantities of SO2 would be generated if this decomposition were carried out on a large ..

  Determine the mass of silver chloride

Determine the mass of silver chloride is produced from 75.0 grams silver nitrate

  Explain important information about proteins

Important information about Proteins, A globular protein in aqueous surroundings contains the following amino acid residues; phenylamine, methionine, glutamate, lysine, and alanine.

  How many grams of glucose are in the final solution

A 45.0-rm mL sample of this glucose solution was diluted to 0.500 rm L. How many grams of glucose are in 100. rm mL of the final solution?

  Find out the substance at bottom of the beaker

you just need to find out Which Substance (given) will be to fall to the bottom of the beaker by combining them with H 2 O In A Beaker?

  Explain relationships in a modern periodic table

Which statement best describes relationships in a modern periodic table? A.) Each transition element is placed in the column of the main group element that it most closely resembles.

  Calculate the stp molar volume for oxygen

A 2.154-g sample of HgO produces 125 mL of oxygen collected over water at 24 degrees C and an atmospheric pressure of 763 mm Hg. Calculate the STP molar volume for 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