Science

ChemistryQ&A LibraryShop Trendy CHEM 1032Cengage S19 34 https://ng.cengage.com/static/nb/ui/evo/index.html?elSBN-9781305657571 &id-430934266&isnapshotld-10652508 s19 3.4 Cengage MInbox (112) DTAP Q Search this course L ions Use the References to access important values if needed for this question. The rate constant of the elementary reaction H2(g) +Br2(g) 2HBr(g) is k 4.45x10 L mol s at 250°C, and the reaction has an activation energy of 170 kJ mol (a) Compute the rate constant of the reaction at a temperature of 289°C L mol , 1 (b) After e (b) After equal concentrations of H, and Bry are mixed at 250o C, 6,03 10' s is required for half of them to be consumed. How long will itke to consume half of the reactants if an identical experiment is performed at 289°C? Submit Answer 3 question attempts remaining Autosaved at 9:31 AM Back 9:31 2/28Question

Find answers to questions asked by students like you.

Q: State 2 differences between SN1 and SN2 reaction? Give an example of each.

A: Substitution reactions are those reactions which involve substitution of a group with another. If th...

Q: Ruthenium-106 (106Ru) is used to treat melanoma in the eye. This isotope decays by β– emission with ...

A: In general, Number of proton is equal to the number of atomic number.The atomic number of is 44, the...

Q: A wave has a frequency of 5041.28 Hz and a wavelength of 6.51 m. What is the speed of the wave? m/s

A: in the given question ,v= frequency of wave= 5041.28 Hz or s-1ʎ=wavelength of wave =6.51m the speed ...

Q: What volume of 0. 2 00 M HCl is required to react completely with 1 . 68 g of sodium hydrogen carbon...

A: First, find the number of moles of HCl required,

Q: Identify the structures of isomers H and I (molecular formula C&HuN). a. Compound H: IR absorptions ...

A: (a)Analyzing the IR Spectrum:The absorption peak at 3365 cm-1 and 3284 cm-1 corresponds to N–H stret...

Q: What is the OH- concentration in a 7.5 x 10-3 M Ca(OH)2 solution?

A: Calculate the OH- concentration in a 7.5 x 10-3 M Ca(OH)2 solution.

Q: Project 2: Food Dye Spectroscopy How can you use serial dilutions to determine the relationship be...

A: Absorbance and concentration are related through the Beer-Lambert law. Mathematically, it is express...

Q: Find the energy released (in GJ/mol) during the following fusion reaction. Masses shown are in amu. ...

A: In nuclear fission and fusion reaction, energy released is calculated using the Einstein’s equation ...

Q: What is the Kinetic energy of a 2000-Ib car traveling at 59 miles per hour? (Ib =0.4536 kg, 1 mi= 1....

A: The Kinetic energy of a 2000-lb car traveling at 59 miles per hour is calculated as,1lb =0.4536 kg1m...