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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?
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.
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.
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?
Question- Give the equations which illustrate the production of the following compounds from Benzene via diazonium salt.
identify a chemical reagent used in this experiment that can be used to distinguish cacl2 (soluble) from CaCo3 (insoluble)
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
Calculate the solubility (in grams per liter) of silver chloride in 0.051 M NaCl and in 0.0030 M AgNO3.
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 ..
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
Name the major organic product when the given alkyl bromide is treated with sodium azide followed by LAD (LiAlD4 and then D2O workup).
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
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?
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