Determine the mass of each substance

Assignment Help Chemistry
Reference no: EM13110845

An unknown mass of each of the given substances as with The final temperature is recorded as indicated 1.Pyrex glass (tf=67.6 C), 2.Sand (tf=70.4 C), 3.ethanol (tf=45.9 C), initially at 19.0 degrees celsius, absorbs 1930 Joules of heat. Determine the mass of each substance.

Reference no: EM13110845

Questions Cloud

Discusses three types of economic systems : Discusses three (3) types of economic systems: capitalism planned economies, socialism and communism and mixed market economies.
Explain why the excessive use of antibiotics : Fully explain why the excessive use of antibiotics may lead to nutritional disorders in humans.
What change would you make to the procedure : A procedural change would be essential if a boy want to determine the tomato juice's acidity by titrating a sample of juice with NaOH(sodium hydroxide) solution Briefly explain  What change would you make to the procedure ?
T-statistics-p-value and hypothesis testing : Compute the value of the test statistic. Determine the p-value; and at 93.7% confidence, test the above hypotheses.
Determine the mass of each substance : An unknown mass of each of the given substances as with The final temperature is recorded as indicated 1.Pyrex glass (tf=67.6 C), 2.Sand (tf=70.4 C), 3.ethanol (tf=45.9 C), initially at 19.0 degrees celsius, absorbs 1930 Joules of heat
Illustrate at what point should an industry walk away : illustrate at what point should an industry "walk away from the business?" Should an industry always Strive to win every bid and avoid losing business?
Why they may have contributed to success flowering plants : Name two aspects of the flowering plant life cycle not found in the pine tree life cycle, and explain why they may have contributed to the success of flowering plants.
Determine how many milligrams of h2o are present : Determine how many milligrams of H 2 O are present in sample If the freezing point of 100.0 grams of sample of 2-methyl-2-propanol =24.59C, (2methyl-2propanol has Kf=4.68Ckg/mol
Revenue management : Le Meridien in San Francisco has 160 rooms. The hotel has an ample low fare demand at the room rate of $200 per night, but the demand from the high fare class, which pays $450 per night on average, is uncertain.

Reviews

Write a Review

Chemistry Questions & Answers

  Locating the centroid of the net volume

A body consists of a right circular cone whose base is 12 in. and whose altitude is 16 in. A hole 8 in. in diameter and 4 in. deep has been drilled from the base. The axis of the hole coincides with the axis of the cone. Locate the centroid of the..

  Determine empirical formula

A compound contain 60.87% carbon, 4.38% hydrogen, and 34.75% oxygen then determine its empirical formula?

  Write equilibrium reaction for hno2

Write equilibrium reaction for HNO 2 and compute equilibrium concentrations of all species, compute pH , OH - , and the pOH

  What are the parent and daughter concentrations

A rock contain 3.2 grams of a radioactive isotope, uranium-235, . Determine what was the original amount of uranium-235 in the rock If the rock has undergone 2.75 half lives, and how old is the rock?

  By what factor does rate of isomerization reaction increase

By what factor (The factor is the ratio of the rates) does the rate of this isomerization reaction increase as the temperature increases from 256 degree celsius to 297 degree celsius ?

  Determine how many grams of hydrogen

Determine how many grams of Hydrogen are required to form 14.01grams of Ammonia and calculate how many grams of ammonia could be formed

  Determine what volume of nitrogen is released

Determine what volume of N 2 is released at 0.915atm of pressure and at the temperature of 25 degree celcius from a tank full of liquid N 2 ? (d=0.808g/mL)

  What are biodegradable polymers

How you will protect an underground pipe line from corrosion and what are biodegradable polymers or what are conducting polymers

  Explain the detoxification of acetaminophen

Explain the detoxification of Acetaminophen, alcohol, and sodium nitrite with biotransformation of xenobiotics. Describe the Synthesis of fatty acid, Triglyceride, Vitamin E, and Vitamin C.

  Find the mass of the unknown atom in the molecule

A particular diatomic molecule which contains H exhibits a 16.95 cm^-1 spacing between its rotational lines and bond length of 141.5 picometers. Determine the mass (in amu) of the unknown atom in the molecule.

  Evaluate the limiting and excess reagent

Determine the limiting, excess reagent & percent yield of the reaction - How much excess reagent is left after the reaction reaches completion?

  Determine keq for reaction

32.5 kJ/mol°GD Muscles are powered by the hydrolysis of Adenosine tri phosphate determine Keq for this reaction

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