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i have a 4 short questions
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I need help with section C
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Consider the following chemical reaction. Suppose 2.1moles of Copper was reacted in 7.5 moles of Nitric Acid (HNO3). How many miles of toxic NO2 would be produced? Balanced Equation - Cu + HNO3 = Cu(
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i need help im stuck with section B and section C
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A 30g sample of ore contains 25g of haematite, Fe2O3. What mass of iron could be extracted?
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I need help with part 2 onwards.
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Chemistry
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if 60 grams of fluorine gas are added to 3.0 moles of aqueous sodium chloride, approximately 133 grams of sodium chloride can be produced. How much sodium fluoride could be produced if 6 moles of sodi
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only page 25
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I don't know how to do the questions two, three, four and five. I need it done in an hour, I'll pay good.
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Use your skills that you have gained in biochemistry 1 & 2 through case studies and journal article presentations to compose a 3-5 page research paper (literature review) discussing the topic assi
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Need Ochem answers
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Please see attached file
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Explain why a line graph should be plotted for this investigation,not a bar chart
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3NO2+H2O 2HNO3+ NO What are the possible mole ratios involving NO2 and H2O.
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What mass of water could be heated from 20oC to 35oC by the burning of 2.57 mol of methanol? (c[H2O] = 4.184 J/g∙oC)
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Given: n = 2.49 mol V = 1.00 L P = 143 kPa R = 8.314 L*kPa/mol* K What is the temperature in degrees Celsius?
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Check question 11
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i need help with chemistry
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How long does it take the wave to travel 6.0 m in the x-direction?
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What must be the NH3 concentration in a 0.100 M AgNO3 solution to prevent precipitation of AgCl when enough NaCl has been added to raise its concentration to 0.500 M? Ksp for AgCl is 1.78 x 10^-10 and
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5.00 grams of vanadium metal have been allowed to react with 20.0 grams of perbromic acid. If the reaction actually yields 2.25 L of hydrogen gas (at stp), what is the percent yield?
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that document is all my work
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What is equation of?
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Question Think about it: Since hard-shelled organisms evolved about 550 million years ago, billions of tons of limestone rock have been produced from their shells. Limestone is made of calcium carbona
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A gas that has a volume of 28 liters, a temperature of 42°C, and an unknown pressure has its volume increased to 49 liters and its temperature decreased to 27°C. If the pressure is measured after the
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The structure for 5-bromo-3-iodoheptanal and 5-bromo-4-ethyl-2-heptone
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Using the following balanced equation, how many moles of NaCl can be produced from 0.314 moles of Na3PO4? 3 FeCl2 + 2 Na3PO4 → 6 NaCl + Fe3(PO4)2
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Briefly explain the hazard associated with 1.0M CH3COOH solution,0.10M BaCl2 solution,and 0.10M Na2C2O4 solution?
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I need help understanding the following questions: i. If you conducted this coupling step under acidic conditions, how would you expect the reaction rate to be affected? ii. Would you expect
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1. Compare and contrast the rate of solution formation between the three physical forms of salt that were placed in the vial and not agitated with the three forms of salt that were placed in the v
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How many moles in the masses of each substance: 4.15 g of silicon 2.72 mg in gold III chloride 1.05 kg of sulfur 0.000901 g of iron III chloride 5.62x 10^3 of magnesium oxide
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to enhance fluid absorption by the stomach a sports drink should have 14 to 17 percent carbonhydrates content
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how would I calculate / solve this question
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when nitrogen become an ion what will the charge be
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According to the work of the Curies, which action would increase the radioactivity of polonium?
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Consider the reaction pathway graph below. Which conclusion can be accurately drawn from the graph?
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I need one paragraph please give a example about the statement:"the benefits of technology are always paired with risks". I need reply to this two paragraphs. 1-Cars are an example of technology t
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If the IV (moves up the group 2 or down the group 2), then the DV will (increase or decrease), because (explain WHY
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The following equation shows the formation of water (H2O, 18.02 g/mol) from hydrogen (H2, 2.02 g/mol) and oxygen (O2, 32.00 g/mol): 2H2 + O2 2H2O If 3.5 g H2 react with 18.7 g O2, what is the limit
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Which action do researchers take to make advances in science?
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Calculate ΔH⁰298 (in kJ) for the process P(s) + 5/2 Cl2(g) → PCl5(g) from the following information.P(s) + 3/2 Cl2(g) → PCl3(g) ΔH⁰298 = −287 kJ PCl3(g) + Cl2(g) → PCl5(g) ΔH⁰298 = −88 kJ
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A copper atom with 34 neutronsExpress your answer as an isotope.
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Please help me with the answers for this Organic Chemistry 2 practice test so that I can compare my own answers to the actual answers.
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Jen uses 8.6 gallons of gasoline to drive 164.7 miles. Which is the best estimate for the number of miles per gallon of gasoline her vehicle gets?
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A 100. mL sample of 0.200 M aqueous hydrochloric acid is added to 100. mL of 0.200 M aqueous ammonia in a calorimeter whose heat capacity (excluding any water) is 480. J/K. The following reaction occu
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Please see attached file.
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Please see attached files.
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I made the experiment, pls answer post lab.
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The title of this experiement is "Intermolecular Attractive Forces and Surface Tension". Please answer the post labs question.
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