Evaluate the theoretical amount of cacl2

Assignment Help Chemistry
Reference no: EM13646493

Calculate the theoretical amount of CaCl2 that would be required to change the temperature of 50.0 mL of water from 20C to 45C. The heat capacity of water is given as 4.184 J/degree, and the density of water is given as 1 g/ml

Reference no: EM13646493

Questions Cloud

What is the total current through the battery : Two Resistors R1=100 Ohms and R2= 200 ohms are connected inparallel across a battery. The current through R1 is 0.150 amperes.What is the terminal voltage provided by the battery, and what is the total current through the battery?
Write a thesis base essay : Write a thesis base essay about the setting of the play"The DollHouse" By Henrik Ibsen
Spacecraft is in a circularorbit : A 3000-kg spacecraft is in a circularorbit 1200 km above the surfaceof Mars. How much work must the spacecraft engines perform to move the spacecraft to a circular orbit that is 4000 km above the surface?
Determine the tangential acceleration of a point on its rim : A wheel of 40cm radius rotates on a stationary axle. It isuniformly speeded up from rest to a speed of 900 rpm in a time of20s. determine the tangential acceleration of a point on its rim
Evaluate the theoretical amount of cacl2 : Calculate the theoretical amount of CaCl2 that would be required to change the temperature of 50.0 mL of water from 20C to 45C. The heat capacity of water is given as 4.184 J/degree, and the density of water is given as 1 g/ml
Explain methyl violet is an indicator that changes color : Methyl violet is an indicator that changes color over a range from pH=0.0 to pH=1.6. What is Ka of methyl violet
Obtain how much energy is absorbed by eardrum per second : A 53 dB sound wave strikesan eardrum whose area is 4.7 multiplied by 10-5 m2. How much energy is absorbed by the eardrum per second
Compute the molar solubility of lead hydroxide : Lead(II) forms soluble hydroxo complexes in excess base. Calculate the molar solubility of lead hydroxide (yellow form) at pH 8.46. See your text for equilibrium constants.
What is its velocity after it has fallen halfway to ground : If a 200 g ball is dropped from 100 meters what is its velocity just before it hits the ground? What is its velocity after it has fallen halfway to the ground (50m)? (neglect air resistance).

Reviews

Write a Review

Chemistry Questions & Answers

  Enthalpy of formation data to compute the number of moles

Use enthalpy of formation data to calculate the number of moles of CO2(g) produced per megajoule of heat released from the combustion of each fuel under standard conditions

  The decomposition of a half-life and what is the value of k

The decomposition of SO2CL2 to SO2 and Cl2 is first order in SO2CL2 and has a half-life of 4.1 hours. If you begin with 1.6 x 10^-3 moles of SO2CL2 in a flask, how many hours elapse until 2.00x10^-4 moles remain?

  Compute the molarity of the naoh solution

If 0.7438 g of potassium hydrogen phthalate is used and the equivalence point occurs at 33.00 mL of NaOH, calculate the molarity of the NaOH solution to the correct number of significant figures.

  Describe what is the ph at the equivalence point

100 mL of .200 M HCl is titrated with .250 M of NaOH. What is the pH after 50 mL of the base has been added. What is the pH at the equivalence point

  Explain the molar heat capacity is 113 for the liquid

How much energy (in kilojoules) is released when 26.0 of ethanol vapor at 93.5 is cooled to -13.0? Ethanol has = -114.5 , = 78.4 , = 38.56 and = 4.60 . The molar heat capacity is 113 for the liquid and 65.7 for the vapor.

  Define what is the nuclear binding energy

How much energy must be supplied to break a single 21Ne nucleus into separated protons and neutrons if the nucleus has a mass of 20.98846 amu. What is the nuclear binding energy for 1 {\rm mol} of {\rm ^{21}Ne}

  What is the ph of a solution prepared by dissolving 289 g

what is the ph of a solution prepared by dissolving 2.89 g of calcium nitrite in 0.675 l of water?1. briefly explain

  Explain compounds of boron and hydrogen are remarkable

Compounds of boron and hydrogen are remarkable for their unusual bonding and also for their reactivity. With the more reactive halogen

  Define what is the potential of the corrosion reaction

Suppose the pH of the water is 3.88 and that the concentration of iron(II) in the water is 2.30x 10-5 M, what is the potential of the corrosion reaction under the above conditions at 298 K?

  Explain the solubility of common compounds in water

Experimentally observed facts have led to the establishment of rules used to predict the solubility of common compounds in water. The rules can be stated as follows: Compounds that contain , , , and are always soluble with no particular exceptions..

  Compute the vapor pressure of an aqueous solution

calculate the vapor pressure of an aqueous solution at 30 degrees C made from 100 g of sucrose (C12H22O11) and 100g of water

  How to calculate the ph of a solution containing naoh

Using activities, calculate the pH of a solution containing 0.019 M NaOH plus 0.0120 M LiNO3

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