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Additioonal Feat! Dexter and Mandark team up in order toprevent the asteroids from destroying Earth. They start thisplanet saving feat by weighing a gelatin capsule (0.117g) Next they add pieces of aluminum/zinc alloy to the capsuleand weigh the capsule and alloy (0.200 g). They weigh out an emptybeaker (112.600 g) and begin the experiement. After the reaction,they determine the mass of the beaker (with the displaced water) tobe 202.437 g. The temperature of the water was 22 Celsius and thebarometric pressure was 735.8 mm Hg.How many moles of hydrogen gas are there? How many moles of hydrogen per gram of the sample?
Assume that you have carried out a radical chlorination reaction on (R)-2- chloropentane and have isolated (in low yield) 2,4-dichloropentane.
Show the reaction equation for when sodium carbonate is added to acetic acid Show the reaction equation of acetic acid and dilute sulphuric acid. Potassium manganate is also added.
Water is present in air at 122 deg F and a total pressure of 14.696 psi in an amount such that the relative humidity is 50%. Water is removed by
Explain the oxidation states of carbon, particularly relating to alcohols, aldehydes and ketones, acids, and anhydrides.
Consider the electron shell with principle quantum number n = 5. a.) How many subshells are there with n = 5?
determine the moles of product ( Fe for this reaction) made by both reagents. what is the limiting reagent?
F the volume of ocean water (calculated above) contains 3.3 percent sodium chloride ("salt") by mass and the density of the water is 1.76 g/mL, calculate the total mass of sodium chloride. (1 ton = 2000 lb, 1 lb = 453.6 g)
Calculate the molar concentration of a thiosulfate solution from the following information: A 30.00-mL aliquot of a 0.0254 M KIO3 solution is added to a flask containing 2 g of KI and 10 mL of 0.5 M H2SO4.
Excluding water, what is the number of moles of each component present after reaction. What is the chemical equation for the equilibrium that you are using to determine the pH
an interference filter based on the first order interference is to be constructed. it is indicated that the filter will
Given the reaction: 2Al + 3H2SO4 -> 3H2 + Al2(SO4)3 what would be the total number of moles of H2SO4 needed to react completely with 5.0 moles of Al ?
When ethyl chloride, CH3CH2Cl, is dissolved in 1.0 M NaOH, it is converted into ethanol, CH3CH2OH, by the reaction CH3CH2Cl + OH- -> CH3CH2OH + Cl-
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