Define why a water or carbon dioxide fire

Assignment Help Chemistry
Reference no: EM13325548

Calculate ?H° for each of the following reactions using the data in Appendix 4: 4Na(s)+O2(g) ? 2Na2O(s) 2Na(s)+H20(l) ? 2NaOH(aq)+H2(g) 2Na(s)+CO2(g) ? Na2O(s)+CO(g) Explain why a water or carbon dioxide fire extinguisher may not be effective inputting out a sodium fire.

Reference no: EM13325548

Questions Cloud

What is the force exerted by the fluid on the base of tank : Consider a large chemical storage tank that is 100 ft in diameter and 25 feet tall. What is the force exerted by the fluid on the base of the tank
Explain the abbreviation of the preceding noble gas : Draw orbital-filling diagrams for atoms with the following atomic numbers. Show each electron as an up or down arrow, and use the abbreviation of the preceding noble gas to represent inner-shell electrons
How many grams of gasoline are required : How many grams of gasoline are required to impart a velocity of 26 meters/sec (60 miles per hour) using the same engine and neglecting losses that may be higher at the higher velocity
What happens to the monetary base as a result : If the reserve requirement is 20%, c=0.5 and e=0.001, what happens to the money supply as a result?
Define why a water or carbon dioxide fire : Calculate ?H° for each of the following reactions using the data in Appendix 4: 4Na(s)+O2(g) ? 2Na2O(s) 2Na(s)+H20(l) ? 2NaOH(aq)+H2(g) 2Na(s)+CO2(g) ? Na2O(s)+CO(g) Explain why a water or carbon dioxide fire extinguisher may not be effective inpu..
Why are timestamps used in the kerberos protocol : Assume that Alice shares a secret s with her company's server computer. When Alice is on a trip, she tries to store an important message in the CEO's account directory.
Calculate the present value at each interest rate : Calculate the cost-benefit ratio and determine whether the ratio is positive or negative - Calculate the present value at each interest rate.
Calclate the acceleration of the elevator : A woman stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the scale briefly reads only 0.75 of her regular weight. Calclate the acceleration of the elevator
If domestic price of oranges is $3.00 per pound and the : If domestic price of oranges is $3.00 per pound and the world price is $2.50 per poundf and if the nation allows unrestricted trade, what will be the result to consumer and producer surplus?

Reviews

Write a Review

Chemistry Questions & Answers

  State the cathode of the cell and what is the cell potential

A concentration cell is constructed which contains two Ni(s)-Ni2+(aq) half cells. The first half cell has [Ni2+] = 1.35 M, and the second half-cell has [Ni2+] = 3.75 x 10^-4 M. Which half cell is the cathode of the cell and what is the cell potenti..

  Explain the carbon atom of all alcohols except phenols

What are the approximate bond angles at the carbon atom of all alcohols except phenols

  State carbon monoxide reacts with iron oxide

In the process of isolating iron from its ores, carbon monoxide reacts with iron (III) oxide, as described by the equation

  Define energy required to maintain the system

Where did the energy required to maintain the system at a constant temperature in the two isothermal processes described? PAth A- sudden irreversible decrease in pressure from P1 to P2 ( P2

  What is the formula used to determine the mass of kclo3

what is the formula used to determine the mass of KClO3 to form a saturated solution in 250g of water at 30 degrees celcius

  Calculate ecell for the electrochemical cell

Calculate Ecell for the following electrochemical cell at 25 °C Pt(s) | H2(g, 1.00 atm) | H+(aq, 1.00 M) || Pb2+(aq, 0.150 M) | Pb(s) given the following standard reduction potentials.

  Explain the compounds using column chromatography

Suppose you are given 150 mg of an unknown mixture that contains three compounds, and you are told to separate the compounds using column chromatography

  Compute delta e for the reaction at 25c

at 25C, delta H for the combustion of liquid octane, to form CO2 solid and H2O liquid is -5471kJ/mol. Calculate delta E for this reaction at 25C.

  Explain atom violate the octet rule or do the oxygen atoms

Please note that NO3 has an odd number of electrons. But you must decide where the missing electron will be. Does the central atom violate the octet rule or do the oxygen atoms? Use formal charges to decide.

  Explain bonds that can occur between the elements p and cs

List all possible bonds that can occur between the elements P, Cs, O, and H. Predict the type of bond (ionic, covalent, or polar covalent) one would expect to form for each bond.

  State what is the molar mass of the protein hemoglobin

the osmotic pressure at 20.0 degrees C is 3.62x 10^-3 atm. What is the molar mass of the protein hemoglobin?

  Draw the bondline structures of the isomers

Draw the bondline structures of the isomers of this compound in the manner requested: Its diastereomer C, its optically active isomer D.

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