ONIIO_F3qHYTIQI6Ca5ojhYwiUE... O STOICHIOMETRY Finding mole ratios from chemical formulae This is the chemical formula for acetic acid (the chemical that gives the sharp taste to vinegar): CH;CO,H An analytical chemist has determined by measurements that there are 42. moles of carbon in a sample of acetic acid. How many moles of hydrogen are ir sample? Round your answer to 2 significant digits. I| mol

ONIIO_F3qHYTIQI6Ca5ojhYwiUE... O STOICHIOMETRY Finding mole ratios from chemical formulae This is the chemical formula for acetic acid (the chemical that gives the sharp taste to vinegar): CH;CO,H An analytical chemist has determined by measurements that there are 42. moles of carbon in a sample of acetic acid. How many moles of hydrogen are ir sample? Round your answer to 2 significant digits. I| mol

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Chapter13: Gases

Section: Chapter Questions

Problem 49A

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https://cxp.cengage.com/contentservice/assets/owms01h/references/chemtables/gen_chem/eo.html ^ table image:
Soil vapor extraction (SVE) is used to remove volatile or-ganic pollutants, such as chlorinated solvents, from soil at haz-ardous waste sites. Vent wells are drilled, and a vacuum pump is applied to the subsurface. (a) How does this remove pollutants?(b) Why does heating combined with SVE speed the process?
Aleks data for AgBrO3 is 5.38 x 10^-5
A. B. and C. already solved (https://www.bartleby.com/questions-and-answers/chemistry-question/a89691d6-2162-4677-b0cc-dc84fcceda08). Please answer E, F and GCircle in pencil in the image on th eirght cide of the diagram is a "2"( Pb(NO3)2 ).
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You can use this as your reference: https://www.youtube.com/watch?v=2J2t5FRnMtM
A core sample is saturated with an oil (?o = 35oAPI), gas and water. The initial weight of the sample is 224.14 g. After the gas is displaced by water (?w = 1 g/cm3 ), the weight is increased to 225.90 g. The sample is the placed in a Soxhlet distillation apparatus, and 4.4 cm3 water is extracted. After drying the core sample, the weight is now 209.75 g. The sample bulk volume, 95 cm3 is measured in a mercury pycnometer. Find the porosity, water saturation, oil saturation, gas saturation and lithology of the core sample.
Nitroglycerine ( C3H5N3O9) is a very strong explosive that degrades over time and is too shock sensitive to transport safely. Dynamite is made by combining nitroglycerine with stabilizers and adsorbents, which makes it much safer to use. The explosion of nitroglycerin can be represented by: 4C3H5N3O9(l)→6N2(g)+12CO(g)+10H2O(g)+7O2(g) A stick of 40% dynamite is about 20 cm long and about 3 cm in diameter and weighs 203 grams. It is 40.0% nitroglycerine by mass. What is the total number of moles of gas produced when a stick of 40% dynamite explodes?
Ksp for Co(OH)2 is 5.92x10^-15
The thermal decomposition of potassium chlorate can be used to produce oxygen. 2KClO3 --> 2KCl +3O2 What volume of O2 gas at 298 K and 1.0 atm pressure is produced by the decomposition of 7.50 g of KClO3 (FW=122.6)?
A student dissolves 10.3g of ammonium nitrate NH4NO3 in 300.g of water in a well-insulated open cup. He then observes the temperature of the water fall from 22.0°C to 19.3°C over the course of 3.1 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: NH4NO3s -> NH+4aq + NO−3aq You can make any reasonable assumptions about the physical properties of the solution. Be sure answers you calculate using measured data are rounded to the correct number of significant digits. Is this reaction exothermic, endothermic, or neither? If you said the reaction was exothermic or endothermic, calculate the amount of heat that was released or absorbed by the reaction in this case. Calculate the reaction enthalpy ΔHrxn per mole of NH4NO3.