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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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The Title of this experiment is " Intermolecular Attractive Forces and Surface Tension". I made the experiment and these are my data ( Please attached files). Please answer the post lab questions.
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1. The molar mass of NaHCO3 is_____ g/mol 2. The molar mass of carbon dioxide_____ is g/mol. 3. A sample of NaHCO3 weighs 2.80g. The number of moles of NaHCO3 in the sample______ is moles. 4. A 2.
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Suppose an experiment is designed to test the durability of batteries in different conditions. All of the batteries tested are double-A (AA) Brand X. All sets of batteries are preconditioned in differ
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Carys calculates the total amount EEE, in dollars, that she earns for working hhh hours using the equation E=10hE=10hE, equals, 10, h.How many dollars does Carys earn per hour? dollarsAt that rate, ho
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A construction firm is building a skyscraper, and the height of the skyscraper in yards and feet after certain numbers of days is shown in the table below. What is the missing value in the table?
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Victor pours 100 grams of oil into a beaker filled with 1,000 grams of water. What is the total mass of his mixture?
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Victor pours 100 grams of oil into a beaker filled with 1,000 grams of water. What is the total mass of his mixture?
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this assignment is due in 24 hours..... no late work..... do the following scenario: When was the last time you studied chemistry? Do you have any good stories to tell about your chemistry teacher o
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Phosphoru-32 has a half-life of 14.0 days. Starting with 2.00 g of 32P, how many grams will remain after 112 days?
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1. Indicate the colored lines you observe in fluorescent light, street lights, car headlight, and an additional light source of your choice by creating an illustration similar to that of figure 15 in
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- Calculate the mass (in grams) of 5.20 x 1014 molecules of adrenaline, C9H13NO3. - A particular oral contraceptive contains 0.0409 mg ethynyl estradiol in each pill. The formula of this compound is C
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Based on the paper by Prusiner[1], please describe in one page or less how one of the techniques in the paper (HPLC, proteolysis, Edman degradation, amino acid analysis, SDS page or what not) was util
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DETERMINATION OF PERCENT KHP AND ACID EQUIVALENT WEIGHT Titration is a process of mixing measured volumes of reacting solutions in such a manner that one can determine when chemically equivalent amou
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. Now that you have Excel, you’re going to need to use it. If you have no idea how, see the document “Intro to Excel” on the course webpage. You have three major goals in this exercise. First, you’re
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Experiment Title: STANDARDIZATION OF A BASE AND TITRATION OF A VINEGAR SOLUTION This question is just an analysis of what happened during the experiment. I will upload the lab manual and the lab rep
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How many ug are there in 5.5 x 10-3g?
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