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A substance that has a definite shape, a crystalline structure, and a definite volume at STP is A) F2 B) Cl2 C)Br2 D) I2
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When concentrated CaCl2(aq) is added to a Na2HPO4(aq), white precipitate forms that is 38.7% Ca by mass. Write a net...
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General college chemistry.Solution Concentration, Molarity, Chemical Reactions, Acids and Bases
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Research the structures that protect plant snd animal cells from damage resulting from osmotic pressure. Write a few paragraphs explaining...
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`You have to be careful about pouring drano down your pipes since it is mainly hydrochloric acid--you can't do it if they are made of aluminum because it will dissolve them! You can't acid clean your aluminum auto parts for the same reasons: 2 Al + 6 HCl
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Question 4: Balancing Redox Equations (4.5 points) a. The following reaction takes place in an acidic solution. MnO4–(aq) + Cl–(aq) ...
I need help with this limiting reagent question for chemistry. Souring of wine occurs when ethanol is converted to acetic...
Compounds are Insoluble In Water
Chemistry lab
A sulfur-32 atom contains 16 protons, 16 neutrons, and 16 electrons. What is the mass (in grams) of a sulfer-32...
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Elemental (unreacted) calcium and magnesium metal are shiny when they are pure. If the metals you worked with were not...
Escience Lab 6: electronic configuration
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material balances in chemical engineering ( CHEMICAL ENGINEERING SPECIALIST ONLY!!!!! )
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a 23.74 ml volume of .0981 M NaOH was used to titrate 25 mL of a weak monoprotic acid solution...
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I ran a reaction where my theoretical yield was 45.0g. If my percent yield was 68.0%, how much was my actual yield?
Use online sources to learn/review the theories of covalent bonding. Remember to cite your sources in APA style
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FLaReS Principle
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Can Someone Assist With This Chemistry Assignment
CHEM 1045 QUIZ CHAPTER 5
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What is the hybridization around the carbon atom in calcium carbide, CaC2?
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What is the H NMR spectrum, including proton integrations, for CH3OC(CH2OCH3)3?
Chemistry, Due In 6 Hours
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Alloys can be described using chemical formulas. Which of the answer choices correctly explains why alloys cannot be described using chemical...
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For the conversion of 0.0003140 kilograms to ounces, the conversion factors are 103 grams per kilogram, 1 pound per 453.6 grams and 16 ounces...
molecule is best described as a: CH3—CH2—CH2—CH2
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A gas that exerts a pressure of 125.0 mm Hg in a container with a volume of ___ mL will...
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a photon of radiation is red shifted 10%. what percentage of its energy is actually lost?
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a 3.20g sample of salt dissolves in 9.10g of water to give a saturated solution at 25C. What is the...
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Stoichiometry Lab
consider the following reaction: 2H2(g)+O2(g)=2H2O(l) delta H=-572kJ how much heat is evolved for the production of 1.00 mole of H2O(l)?
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Group Assignment 1: Developing IT Compliance Program The IT compliance program cannot be conceived in isolation and devoid of the key links to non-IT and financial compliance. Effective IT compliance requires an aggregate vision and architecture to achiev
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Chemistry lab report
Radiation from a point source varies as the inverse of the square of the distance. Complete the following table to...
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