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WHY WAS DALTON'S ATOMIC THEORY MODIFIED AND WHY WERE THEY ACCEPTED?
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A central atom is surrounded by four chlorine atoms. Which of the following combinations is possible? options 1. an octahedral electronic geometry and square pyramidal molecular geometry 2. a trigonal bipyramidal electronic geome- try and seesaw molecular geometry 3. a trigonal...
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How would you test to see whether a cylinder with a syringe plunger inside is airtight, using Boyle's law?
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Which of the following is not the correct chemical formula for the compound named? Answer 1 hydrocyanic acid HCN(aq) 2 calcium sulfate CaSO4 3 beryllium oxide BeO 4...
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NaHCO3(s) + H2SO4(aq) Na2SO4(aq) + 2 H2O(l) + 2 CO2(g) Sodium bicarbonate is added until the fizzing due to the formation of CO2(g) stops. If 26 mL of 6.0 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid? (g)
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Calculate the maximum number of grams of phosphorus trichloride that could be formed from 44.1 grams P subscribe 4.
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What is the percent of chlorine in DDt, C14H9Cl5?
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1.Glycerol,C3H8O3 ,is a substance used extensively in the manufacture of cosmetics, foodstuffs, antifreeze, and plastics. Glycerol is a water-soluble liquid with a density of 1.2656g/mL at 15 degrees celcius. Calculate the molarity of a solution of glycerol made by dissolving 35.000mL glycerol at...
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if 575 grams of glucose yields 103.0 ml of ethanol, what is the percent yield of this reaction?
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name the molecule clch3ch2ch2ch2ch2ch2ch2ch2ch2chck2
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Sample Questions
- 1. For organic chemistry, what is a concerted shift? How do things like acids or heat affect them? What other factors affect them?
- 2. Which of the following reactions is an acid-base neutralization reaction? Why are the rest of the answers incorrect?
- A. AgNo3 (aq) + NaI (aq) --> AgI (s) + NaNO3 (aq)
- B. S8(s) + 8O2 (g) --> 8SO2(g)
- C. Na3PO4 (s) + 2H2O (l) --> H2 (g) + 2NaOH (aq)
- D. Ca (OH)2 (aq) + 2HI (aq) --> CaI2(aq) + 2H2O (l)
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