0+ 4000 A B RAVENEER NN 8.19 6.74 6.00 5.00 4.00 9.87 7.66 3.00 2.00 Peak A (3171 cm-1) = Peak B (1669 cm-1) = 1.00 0.00 1. Empirical Formula = C7H602 10.0 8.0 6.0 4.0 2.0 0.0 5/ppm
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- il VHL Central | Dashboard X Consider the following data. Louisiana State University webassign.net web/Student/Assignment-Responses/last?dep=29518359#question308437_16 YouTube U FX - USTVGO.TV = 1.1 Chemistry in Co... AH = 2 NO(g) N₂(g) + O₂(g) 2 NO₂(g) 2 NO(g) + O₂(g) 2 N₂(g) + O₂(g) = 2 N₂O(g) Use Hess's law to calculate AH for the reaction below. KJ X 2022 Fall MATH 1100 for E X y! ml to I - Yahoo Search Res X Psychology 2e ΔΗ = -180.7 kJ ΔΗ = +113.1 kJ ΔΗ = +163.2 kJ Watch Black Clover... VHL Central | Dash... 3 NO(g) N₂O(g) + NO₂(g)Q How X 2 Conv X 3 USCI: X O Login x b Answ x My H x * Minc x * Mind x о Итал х м Почт х * Appli x O NH4 X ng.cengage.com/static/nb/ui/evo/index.html?elSBN=9781305968646&id%3D160085644&snapshotld=456877& CENGAGE MINDTAP Q Search t oter 4: Forces between Particles Note the positive charge; compare with NH4 †. 4.55. C Predict the shape of each of the following polyatomic ions by first drawing a Lewis structure, then applying the VSEPR theory: a. NH2 (each H is bonded to N) b. PO3- (each O is bonded to P) c. BeCl,- (each Cl is bonded to Be) d. ClO4 (each O is bonded to Cl) e d) ENG 144 prt sc delete home 8 9. + backspace num %3D lock K enter Dy Ho P.s/Interface/acellus engine.html?ClassID=14676880634 IS C₂H4 (g) + O₂(g) → CO₂(g) + H₂O(g) [g 17.11g 15.69 g 6.42 g According to the law of conservation of mass, what is the mass of ethene, C2H4, burns in this reaction? D Use the correct same precision for the missing value. (i.e. significant figures). International Academy of Science. All Rights Reserved. * G Enter A
- 3. Elektron bergerak dalam daerah di antara 2 plat paralel dengan kecepatan 1.88 x 107 m/s dan melalui beda potensial 1000 V. Tentukan besar medan magnet agar elektron menempuh garis lurus. V₂ = 1000 V + + + + + + + + + + + +++ + X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X V₁ = 0 V b 2 cmHow do you convert 0.485L into mm using unit fractions?I need help on this?
- A graduated cylinder weighs 28.66 grams when empty and 35.27 grams when filled with water at 4oC. Calculate the volume that the water occupies.me x C Thermo X Cosmet x C Laptops x M Inbox (7 X C Buy TCL X learn.canterbury.ac.uk/ultra/courses/_19016_1/outline/edit/document/_3537106_1?courseld=_19016_1&view=content T K Saturat X ZA a Amazon x C Show Ye X G what's a X Email- 1 X ☆ b The dia x h EX E ct the rato at which + 4. Consider the interconversion of A and B. Suppose in the absence of an enzyme, the forward rate constant KF is 104 s¹ and the reverse rate constant KR is 106 S¹. Calculate the equilibrium constant K. How would the presence of an enzyme affect the value of K? KYou are checking the accuracy of a volumetric flask marked 10.00 mL . To calculate the volume of water contained in the flask, you first measure the mass of the empty flask and the mass of the flask filled with water and take the difference. Then, you correct for the buoyancy factor and divide by the density of the water. The result of 8 such measurements is given in the table. Calculate the 95% confidence interval for these measurements with a mean of 10.03.
- What is the result of this expression: 3.62 x (22.3 –20.3) /0.6655=You are checking the accuracy of a volumetric flask marked 10.00 mL. To Measurement Volume (mL) calculate the volume of water contained in the flask, you first measure the mass 1 10.047 of the empty flask and the mass of the flask filled with water and take the 10.052 difference. Then, you correct for the buoyancy factor and divide by the density of 3 10.022 the water. The result of 8 such measurements is given in the table. 4 10.047 Calculate the mean and the 95% confidence interval for these measurements. 5 10.024 10.016 7 10.065 8 10.024 mean: mL 95% confidence interval: + mL Can you, with 95% confidence, say that the nominal value of 10.00 mL can be the true volume of the flask? no yesIn an experiment, a student was asked to measure the densities of liquid acetone and metallic chromium. He was given a pycnometer which weighed 26.880 g empty. When filled with water and stoppered, the mass was recorded as 54.992g at 28C. The pycnometer was cleaned and filled with acetone. The mass was 49.137 g. Again, the flask was cleaned and dried. Into it were added some chunks of chromium and the total was found to weight 78.666 g. Leaving the chromium in the pycnometer, it was then filled with acetone. The flask, metal and acetone were found to weigh 95.199 g. From this data, calculate the density of acetone and the density of chromium (show all your calculations).