Evidence of chemical change

Assignment Help Chemistry
Reference no: EM131712297

Oxidation and reduction are usually involved in single replacement reactions. what is gained during reduction and lost during oxidation?

List four observations that may be used as evidence of chemical change?

Your teacher hands you a test tube containing a clear solution with either dissolved Na2CO3 or dissolved NaCl. considering the double- replacement reactions you performed, what one reagent would you add to determine your test tube contents? describe what you would expect to observe for either Na2CO3 or NaCl upon addition of your reagent?

Reference no: EM131712297

Questions Cloud

The environment than our own drilling and can any president : Are these other countries likely to be safer for the environment than our own drilling and Can any president
Components of gasoline : Write a balanced chemical equation for the combustion of one of the components of gasoline (n-octane C8H18) in air.
Examine three special types of linear programming model : Examine three special types of linear programming model formulations- transportation, transshipment, and assignment problems.
Explain challenges of managing a multi-cultural team : Explain Challenges of managing a multi-cultural team and recommendations for improving communications within a multi-cultural team.;
Evidence of chemical change : List four observations that may be used as evidence of chemical change?
Find the given statistics by hand : Summaries. Here are costs of 10 electric smoothtop ranges rated very good or excellent by Consumer Reports in August 2002.
Equivalence point of a titration of weak acid : However, the pH at the equivalence point of a titration of weak acid with a strong based is above 7.0. Why? Please give lots of details.
Define most important to counterterrorism operations and why : Explain which type of intelligence you think is most important to counterterrorism operations and why
How you might change process to avoid your selected pitfalls : Examine how you might change the process to avoid your selected pitfalls. Your response should be thorough and address all component of the discussion question.

Reviews

Write a Review

Chemistry Questions & Answers

  What will be the new pressure

a 5.00L air sample at a temperature of -50 degrees celsius has a pressure of 107 kpa. what will be the new pressure if the temperature is raised to 102 degrees celsius and the volume expands to 7.00L.

  State the eu standards added to the groundwater

The Eu(III) standards added to the groundwater sample contained 0.181 ng/mL (ppb) of Eu(III). Calculate the concentration of Eu(III) in the groundwater sample.

  How tall is the cylinder

Alfred bought a new graduated cylinder for his chemistry class. It holds 416 milliliters of liquid. If the cylinder has a radius of 4 cm, then how tall is the cylinder?

  Production compounds from benzene via diazonium salt

Question- Give the equations which illustrate the production of the following compounds from Benzene via diazonium salt.

  State and identify a chemical reagent

identify a chemical reagent used in this experiment that can be used to distinguish cacl2 (soluble) from CaCo3 (insoluble)

  Define a fraction of carbon tetrachloride

A gaseous mixture containing 0.150 mol fraction of carbon tetrachloride (CCl4) and 0.850 mol fraction of dry air is initially at 65.0°C

  Evaluate the solubility of silver chloride

Calculate the solubility (in grams per liter) of silver chloride in 0.051 M NaCl and in 0.0030 M AgNO3.

  Explain what mass in grams of kno3 will crystallize

The solubility of KNO3 is 155g per 100g of water at 75 degree Celsius and 38.0 g at 25 degree Celsius. Explain what mass in grams of KNO3 will crystallize out of solution if exactly 100g of its saturated solution at 75 degree Celsius is cooled to ..

  Explain what is the decay rate constant

If the decay of trihalomethane is first order,and 90% of the trihalomethanes in glass of tap water are gone after 3 hours, what is the decay rate constant

  State the name of the major organic product

Name the major organic product when the given alkyl bromide is treated with sodium azide followed by LAD (LiAlD4 and then D2O workup).

  Explain the top of the energy hill in an energy diagram

The top of the energy hill in an energy diagram is called the A. downhill reaction B. uphill reaction C. transition state D. energy of the reaction

  What are the concentrations of na+ at the equivalence point

assume you dissolve .297 g of the weak acid benzoic acid in enough water to make 105 mL of solution and then titrate the solution with .141 M NaOH. What are the concentrations of Na+ at the equivalence point?

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