| Question | Subject | Tutorials |
|---|---|---|
| Written Assignment 3: Mass Relationships For Compounds Written Assignment 3: Mass Relationships for Compounds
Answer all assigned questions and problems, and show all work.
1. How many atoms are there in 5.10 moles of sulfur (S)? (6 … |
Chemistry / General Chemistry | Get it Now |
| Written Assignment 7: Energy And Thermochemistry Written Assignment 7: Energy and Thermochemistry
Answer all assigned questions and problems, and show all work.
1. Consider this reaction:
2CH3OH(l) + 3O2(g) → 4H2O(l) + 2CO2(g) ?H&nb … |
Chemistry / General Chemistry | Get it Now |
| calculate ?grxn at 298 k under the conditions shown below for the following reaction. These are homework questions and I have the final answers for all of them.
I will have a quiz also for the same topic if you can do this homework correct then I will work with you for the quiz.
… |
Chemistry / General Chemistry | Get it Now |
| Drugs target Tetracycline is a widely used antibiotic for which resistance is now widespread. This drug
inhibits bacterial protein synthesis by binding to the bacterial ribosome, although experiments
show th … |
Chemistry / Biochemistry | Get it Now |
| Chemistry Homework For a particular isomer C8H18(g)+25/2 O2 (g)→8CO2(G)+9H2O (g) Delta Hºrxn=-5104.1kJ/mol
What is the standard enthalpy of formation of this isomer of C8H18 (g)?
… |
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| Read the article linked below. Choose one myth and come up with at least Read the article linked below. Choose one myth and come up with at least three examples of specific serial killers to disprove it. You may not use the examples listed in the article i … |
Chemistry / Biochemistry | Get it Now |
| Explain how many kilograms of chlorine chlorofluorocarbons
Explain how many kilograms of chlorine are in 25 kg of each of the following chlorofluorocarbons (CFCs)?
a) CF2Cl2
b) CFCl3
c) C2F3Cl3
d) CF3Cl
… |
Chemistry / General Chemistry | Get it Now |
| An unknown salt is either nacn nac2h3o2 naf nacl or naocl
An unknown salt is either NaCn, NaC2H3O2, NaF, NaCl, or NaOCl. When .100 mol of the salt is dissolved in 1.0 L of solutionk, the pH of the solution is 8.07. What is the identity of the salt? … |
Chemistry / General Chemistry | Get it Now |
| Explain glucose and fructose "
Sucrose , which is commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6 At 23C an … |
Chemistry / General Chemistry | Get it Now |
| Explain what is the value of ka for C6H5NH3+
Question- Given that Ka for HIO is 3.2 x 10-11 at 25 degrees Celsius, what is the value of Kb for IO- at 25 Celsius?
Given that Kb for C6H5NH2 is 1.7 x 10-9 at 25 Celsius, what is the val … |
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| Draw the major neutral organic
Draw the major, neutral organic product for each substitution reaction below. (For this question, assume that each substitution reaction goes to completion. Disregard elimination.)
… |
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| Depict the lewis structures for NO2Cl and NO3Cl
Draw the lewis structures for NO2Cl and NO3Cl include lone pairs of electrons, resonance structures, and formal charges (minimized)
… |
Chemistry / General Chemistry | Get it Now |
| Define sodium p-toluate instead of p-toluic acid
How would the results differ if you added sodium p-toluate instead of p-toluic acid to the two-layer mixture of tert-butyl methyl ether and water
… |
Chemistry / General Chemistry | Get it Now |
| Explain hydroboration-oxidation reagents
There are several reagents that can be used to effect addition to a double bond including: acid and water, oxymercuration-demercuration reagents, and hydroboration-oxidation reagents. Inspec … |
Chemistry / General Chemistry | Get it Now |
| State diprotic oxyacid is an important compound
Phosphorous acid, H3PO3(aq), is a diprotic oxyacid that is an important compound in industry and agriculture.( pKa1=1.30, pKa2=6.70.) Calculate the pH for each of the following points in the … |
Chemistry / General Chemistry | Get it Now |
| Explain in an electrolysis cell similar to the one employed
In an electrolysis cell similar to the one employed in this experiment, a student observed that his unknown metal anode lost 0.238 g while a total volume of 84.90 mL of H2 was being produced … |
Chemistry / General Chemistry | Get it Now |
| Define combustion of octane and a component of gasoline
Problem- Question: The complete combustion of octane, C8H18, a component of gasoline, proceeds as follows: 2C8H18(l)+25O2(g)?16CO2(g)+18H2O(g)
Part 1) How many moles of O2 are needed to b … |
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| Define the skeletal structure of the major organic product
Draw the skeletal structure of the major organic product given that excess NaOD is used and without an acid workup.
… |
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| A line in the brackett series of hydrogen has a wavelength A line in the Brackett series of hydrogen has a wavelength of 2626 nm. From what state did the electron originate?
… |
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| Define the hydrolysis of one ester group in tannins by CaCO3 1. Write an equation describing the hydrolysis of one ester group in tannins by CaCO3. 2. How would longer roasting time of green coffee beans effect its caffeine content
… |
Chemistry / General Chemistry | Get it Now |
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