Why laboratory safety important

Q: The rate of a certain reaction is given by the following rate law: rate =k[H,[NH,] Use this informat...

A: This question is related to chemical kinetics. Chemical kinetics is the branch of chemistry that dea...

Q: Draw the structure of the molecule with the following molecular formula, C3H7CIO, and 'H NMR spectra...

A: Given molecular formula is C3H7ClO 1) Degree of Unsaturation / Double bond equivalent = 2 × C + 2 - ...

Q: A reaction is zero order with respect to a reactant, Y. If k = 2.57 x 10-2 M/s and the initial conce...

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Q: Suppose a 500. mL flask is filled with 0.90 mol of NO, and 1.8 mol of NO,. The following reaction be...

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Q: Choose the electron configuration that is most appropriate for nitrogen monochloride (NCl). Choose...

A: The atomic number of nitrogen atom is 7. It has 5 electrons in its outermost shell. The atomic numbe...

Q: Which of the following are true?  Chose all the correct answers.     1,3-Cis disubstituted cyclohex...

A: Stereochemistry is branch of chemistry in which we deal with spatial arrangement of atoms in molecul...

Q: Heptane: yellow flame

A: This is a multipart question.According to the guidelines, in multiple parts question, we can solve o...

Q: d) when the amount (mol) of OH added is twice the amount of HBrO present initially?

A: Given that Solution only (d) part

Q: 13. Curium - 245 is an alpha emitter. Write the equation for the nuclear reaction and identify the p...

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Q: What is the charge of an iron ion with 24 electrons? Is this a cation?

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Q: Classify each element. Note that another term for main group is representative, another term for sem...

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Q: Which of the following species have tetrahedral bond angles? *CH: NH 3 CH3 BF3 H20 D A

A: Valence shell electron pair repulsion theory is a model that predicts the shape of chemical compound...

Q: Required is 700 cc of a 60% (v/v) solution of alcohol in water. Perform the calculations needed to p...

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Q: 5- In each part, choose the structure that best adapts to the infrared spectrum

A: g) In this case, the structure should be  Reason: simply base value for isolated aldehyde peaks in I...

Q: The reaction below has a rate constant of 0.0006300 s −1. How long (in seconds) would it take for CH...

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Q: Obtain the infrared spectrum of your (dry powder) polymer product. n.b. : Attach a copy of your infr...

A: A question based on IR spectroscopy that is to be accomplished.

Q: For a molecule with the formula AB, the molecular shape is O a) linear or bent O b) linear or trigon...

A: Shape of molecule can be from through the molecular formula.

Q: Binary / Ternary Formula Chemical Name Ionic / Acid/Base/ Molecular Salt/Hydrate 24. Hydrobromic aci...

A: 24) HBr 25) Molecular 26) CuSO4.10H2O 27) Ternary 28) Hydrate 29) Chromic acid 30) Acid 31) Barium h...

Q: Using the above pattern, identify the circled electrons using the four quantum numbers. 回回画 [1 March...

A: There are four set of quantum numbers which describes or gives all the information about an electron...

Q: How is spectrophotometry connected to Beer Lambert's Law. Explain briefly

A: We have to find out the connection between absorbance and Lambert Beers Law

Q: N2 H2 initial rate of reaction 0.276M 2.14M 45.0M/s 0.276M 2.54M 63.4M/s 0.0491M 2.14M 1.42 M/s Use ...

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Q: How many milliliters of 0.0459 MH3PO4 could be completely neutralized by 46.2 mL of 0.136 M KOH? The...

A: Potassium hydroxide reacts with phosphoric acid, to form potassium phosphate and water. The equation...

Q: A student proposed the following mechanism for the gas phase reaction of fluorine with chlorine diox...

A: Step 1.....fast:......2 ClO2 <==> Cl2O4 Step 2.....slow:....Cl2O4 + F2 ==> 2 FClO2

Q: How would the pH of the skin where the Ceramide synthesis de novo  is most likely to take place affe...

A: Ceramide synthesis have much importance with pH of the skin. 

Q: Ammonia and oxygen react to form nitrogen and water, like this: 4NH, (g)+30,(g) 2N,(g)+6H,O(g) do Su...

A: According to Le chatelier principle, equilibrium will shift in shift in such a way that change is co...

Q: Describe the process of catalytic cracking used in the petroleum refining industry

A: In the petrochemicals industry they are used for producing polyolefins on a very large scale. The pa...

Q: The rate of a certain reaction is given by the following rate law: rate=k[N,][H,] Use this informati...

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical reacti...

Q: Question 3: In steam power plants, open feedwater heaters are frequently utilized to heat the feedwa...

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Q: 8. Select the endothermic reaction. CH4(s) + O2(g) → CO>(g)+ 2 H,O(1) + 890 kJ 2 HC1(g) + 185 kJ → H...

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Q: 19. How much of a 24-gram sample of Radium-226 will remain unchanged at the end of three half-life p...

A: Weight of Radium -226 sample taken = 24 g Number of half lives = 3 Radioactive reactions first order...

Q: How many milliliters of 0.491 MHNO3 contain 3.53 g HNO3? mL

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Q: The rate of the reaction NO2 + CO NO + CO2 depends only on the concentration of nitrogen dioxide bel...

A: NO2 + CO -----> NO + CO2 Time (s) [NO2] mol/L 1/ [NO2] 0 0.500 2 1.20 x 103 0.444 2.25 3...

Q: Which of the following distinguished scientists is correctly identified? There may be more than one ...

A: According to this question we have to indetify the given name of scientists along with their inventi...

Q: Consider the reaction A(g)   +   2B(g)   →   2C(g)   +   2D(g) and associated that was collected at ...

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Q: For the reaction, 3 O2(g)  ⇌ 2 O3(g), Kc equals 57 at 83. oC. Calculate the value of Kp.

A: For a gaseous reaction, the equilibrium constant can be measured by the concentration of the reactan...

Q: The rate of the reaction NO2 + CO NO + CO2 depends only on the concentration of nitrogen dioxide bel...

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Q: For the following reaction, H2(g) + I2(g) ⇌ 2 HI(g), Kp = 44 at 25.0 o C. Calculate the value of Kc

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Q: Part B What is the value of A,G°? Express your answer with the appropriate units. HA ? J A,G° = 5.03...

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Q: 85 11. For the Isotope 38Sr A. What is the atomic number? B. What is the mass number? C. What is the...

A: The given symbol for isotope is 8538Sr A) The atomic number is represented by the subscript.     The...

Q: At a certain temperature the rate of this reaction is second order in NH,OH with a rate constant of ...

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Q: The negative ion mode electrospray ionization (ESI) mass spectrum of an oligonucleotide shows peaks ...

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Q: Suppose a 0.48M aqueous solution of phosphoric acid (H,PO,) is prepared. Calculate the equilibrium m...

A: Given, Concentration of aqueous Phosphoric acid solution = 0.48 M     Required,                     ...

Q: Required is 500 cc of 4/5 (v/v) strength solution. The usual solution is 3% (v/v) hydrogen peroxide ...

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Q: Normal No Spacing Head 三三。 Paragraph Styles 22. A normal adult jawbone contains 200 mg of Carbon-14 ...

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Q: Quantity Standard Millimeter Mercury Cadnaen mm Hg) Torr atmosphere(atm) 1 Pascal( Pa) nienimateh sl...

A: Unit is defined as the quantity which has a fixed magnitude. Many units of a physical quantity are t...

Q: Why are the chiral carbons (S) and (R)? Shouldn't they be both (S)

A: The answer is as follows:  

Q: Give clear handwritten answer- Derive an expression for the time dependence of the degree of polymer...

A: Given that, for a condensation polymerization reaction, the time-dependent rate law is d[M]/dt = -k[...

Q: In each part, choose the structure that best adapts to the infrared spectrum presented

A: Given , The IR spectrum graph of the molecule.    

Q: A physician has ordered 250 cc of 2.5 % (w/v) tincture of iodine. Iodine crystals and alcohol are av...

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Q: You have a stock solution of 14.8 MM NH3NH3. How many milliliters of this solution should you dilute...

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