How much energy (kj) is required

Assignment Help Chemistry
Reference no: EM13137625

at 1 atm, how much energy (kJ) is required to heat 81.0g of H2O(s) at -22.0 degrees celcius to H2O(g) at 119.0 degrees celcius?

Reference no: EM13137625

Questions Cloud

What are some key factors to consider in deciding : You have a client considering plans for transferring her wealth over the next five to ten years. Given the uncertainty in this area of the tax code, what are some key factors to consider in deciding whether to accelerate transfers into 2012 or del..
Probability cars arrive during any given hour of operations : The mean arrival rate is 15 cars per hour. What is the probability that 20 or more cars will arrive during any given hour of operation?
Statements regarding the sale of subsidiary shares : All of the following statements regarding the sale of subsidiary shares are true except which of the following?
Probability students selected are undergraduate students : The ground floor of the campus building, what is the probability that at least 3 students selected are undergraduate students?
How much energy (kj) is required : at 1 atm, how much energy (kJ) is required to heat 81.0g of H2O(s) at -22.0 degrees celcius to H2O(g) at 119.0 degrees celcius?
Explain a train accelerates uniformly along a straight track : A train accelerates uniformly along a straight track and passes three trackside markers. The distance between the first two markers is equal to 0.25 km and between the second and third the distance is 0.4km
Conduct and interpret test to determine difference : Conduct and interpret a test to determine whether or not there is any difference in the final destination of each model of automobile. Interpret your findings.
What mass of potassium carbonate must be weighed out : What mass of potassium carbonate K2CO3, must be weighed out to prepare 125.0mL of a 0.0500M solution of salt?
What amount to use operations and maintenance : The DRM only has Operations and Maintenance, Army (OMA) funds to purchase the system. The DRM must spend less than what amount to use Operations and Maintenance, Army appropriations for the computer system?

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the amount of heat liberated

Calculate the amount of heat liberated (in kJ) from 325 g of mercury when it cools from 81.9°C to 10.0°C.

  Calculate the value of dg° for the reaction

The equilibrium constant at 427°C for the reaction N2(g) + 3H2(g) 2NH3(g) is Kp = 9.4 × 10-5. Calculate the value of ΔG° for the reaction under these conditions.

  Calculate the value of the keq

Consider the following equibrium: CO(g) + 3H2(g) = CH4(g) + H2(g) Initially, 0.200 mol CO and 0.600 mol H2 are placed in a 2.00 L container.

  Calculate the final temperature

Calculate the final temperature when a 29.0 gram sample of ice at 0oC is placed into a styrofoam cup containing 115 grams of water at 75.7 oC. Assume that there is no loss or gain of heat from the surroundings.

  Calculate the molar mass of the cfc

A chemist found that a certain amount of a CFC gas required 186 seconds to effuse through a porous plug when the pressure was held constant.

  Calculate the specific heat of substance

Initially A sample of a substance of 23.43 g weight has temperature 24.2 °C then it absorbs heat and reached to temperature 122.0 degree Celsius; calculate the specific heat of this substance if it absorbs 2167 joule heat

  What is the broglie wavelength of an electron

what is the broglie wavelength of an electron moving at one-tenth the speed of light. mass of the electron = 9.109* 10^-28

  Calculate the hydronium ion concentration

One beaker contains 10.0 mL of acetic acid/sodium acetate buffer at maximum buffer capacity (equal concentrations of acetic acid and sodium acetate), and another contains 10.0 mL of pure water.

  Explain what is the ph of a solution containing

What is the pH of a solution containing 0.24 moles of ammonia and 17.8g of ammonium chloride, NH4Cl. Kb for ammonia is 1.8 times 10, What is the PH of a 0.085M solution of ammoniun chloride. Kb for ammonia is 1.8 times 10

  Explain names of five alkenes having the molecular formula

names of five alkenes having the molecular formula C6H12 that produce hexane on catalytic hydrogenation

  What is the final volume of the balloon

A balloon is filled to a volume of 7.00 x 102 mL at a temperature of 20.0 oC. The balloon is then cooled at constant pressure to a temperature of 1.00 x 102 K.

  Calculate the specific heat capacity of the metal

If 72.4 kJ of heat is supplied to a 852 g block of metal, the temperature of the metal increases by 9.6°C. Calculate the specific heat capacity of the metal in J/g·°C.

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