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##### B. 1. Preparation of Stock SolutionMass_of Pure aspirin Moles ofaspirin_ Concentration of aspirin in stock solution2064 0078 moles 8.3 MB. 2 Dilution of Stock solution and absorbance and determinationSolutionConcentration, M% TAbsorbance Y-axis39850.810H80C.Determination of Aspirin in TabletsBrand name:Mass of commercial sample 96.402 g92.913 goT of diluted solution 4561 Absorbance of diluted 0.341 solution Concentration of aspirin in 45.58 diluted solution M Concentration of aspirin in commerc

B. 1. Preparation of Stock Solution Mass_of Pure aspirin Moles ofaspirin_ Concentration of aspirin in stock solution 2064 0078 moles 8.3 M B. 2 Dilution of Stock solution and absorbance and determination Solution Concentration, M % T Absorbance Y-axis 398 50.8 10 H80 C.Determination of Aspirin in T...

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##### Constant AccelerationFree fallX= 1 at2 + (Vo) (t) + XoY-3 gt2 +Vot + YoV =at + VoV = -gt + Vo2a (X - Xo) = V;2 - Vo2Vo + Vf Vav = 2

Constant Acceleration Free fall X= 1 at2 + (Vo) (t) + Xo Y-3 gt2 +Vot + Yo V =at + Vo V = -gt + Vo 2a (X - Xo) = V;2 - Vo2 Vo + Vf Vav = 2...

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##### DNA is double helix composed of $ nucleotidesTrue False

DNA is double helix composed of $ nucleotides True False...

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##### Find the area of the specified region_Inside one leaf of the four-leaved rose r = sin 20 49,42 491 1

Find the area of the specified region_ Inside one leaf of the four-leaved rose r = sin 20 49, 42 491 1...

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##### NOne 01aOove18) Using the diagram below candle is placed 20 CI in front of a concave spherical mirror with focal length of 15 cm_ What is the image distance of the candle?A) d; = 1 8.6 cm d; = 10.0 cm 10.0 cm 8 d; = 30.0 cm d = 60.0 cmof 6.4 x 108 m (4,000 miles) ifthe index 19) glass fiber optic cable stretches from Florida to Ireland : distack â‚¬ Ireland from Florida through the glass would it take a light signal to reach Ofrefraction of glass is 1.5,about how long fiber?A) 0.032 s B) 1.53 $

NOne 01 aOove 18) Using the diagram below candle is placed 20 CI in front of a concave spherical mirror with focal length of 15 cm_ What is the image distance of the candle? A) d; = 1 8.6 cm d; = 10.0 cm 10.0 cm 8 d; = 30.0 cm d = 60.0 cm of 6.4 x 108 m (4,000 miles) ifthe index 19) glass fiber opti...

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##### Point) Suppose Ihatgiven forthe interval [U, 12] by110 12 20 181 18/21,23 27/flt)Estimale f' (2)using the values of _ in the table:B. For whal values Ol â‚¬ does f' (#) appear t0 be posilive?(Give Your answe as an inlerval Of Iist Of Intervals; e.g- (Hnfinity,8] (1,51,(.10} For what values dces f" (z) appear to be negative?(Give VOuC nsveran intervallist of intervals; e g (-infinity,8] or (1,51,(7,10)

point) Suppose Ihat given for the interval [U, 12] by 110 12 20 181 18/21,23 27/ flt) Estimale f' (2) using the values of _ in the table: B. For whal values Ol â‚¬ does f' (#) appear t0 be posilive? (Give Your answe as an inlerval Of Iist Of Intervals; e.g- (Hnfinity,8] (1,51,(.10} For...

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##### Which of these describes the electron configuration of chromium?1) [Kr]2) [Ar]4s23d41522522p63d[Ar]4s24p4

Which of these describes the electron configuration of chromium? 1) [Kr] 2) [Ar]4s23d4 1522522p63d [Ar]4s24p4...

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##### 7*0 0 ? > N 1 1 { IL ! 2 { 1 1 1 1 8 3 1 [ 6 !

7*0 0 ? > N 1 1 { IL ! 2 { 1 1 1 1 8 3 1 [ 6 !...

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##### Man 0RERAthSes ltitLolnts} Quesllon Atempliati

Man 0 RERAth Ses ltit Lolnts} Quesllon Atempliati...

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##### Iu)emn Im' Vhn' ( Uruet | NUU ( mioLumm) Cax K"im 084, Wn Wuet (la utrundd 0 un" WkN N If" IMMIMXI Ol asYM (8 ,HMI Ilw' MHLM (UiMk' OU Io #Vm "luxkets M) Um' Blatilks cl Wleuyne Un" â‚¬a"(mKt O1 ak"t"UHIM) Iun ,MwI ( OMIK Q Qu val @4p)Skclon"0.94This result means that 94"" 0t Ihe variation In the dependent variable accounted Ior bY the vanationg In @e independent varable The rest of the variation; 0.06. Or 6%0, Is

iu)emn Im' Vhn' ( Uruet | NUU ( mioLumm) Cax K"im 084, Wn Wuet (la utrundd 0 un" WkN N If" IMMIMXI Ol asYM (8 ,HMI Ilw' MHLM (UiMk' OU Io #Vm "luxkets M) Um' Blatilks cl Wleuyne Un" â‚¬a"(mKt O1 ak"t"UHIM) Iun ,MwI ( OMIK Q Qu val...

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##### Evaluate the indefinite integral. (Remember use absolute values where appropnate Usethe constant of integration )Bx +

Evaluate the indefinite integral. (Remember use absolute values where appropnate Use the constant of integration ) Bx +...

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##### The molar conductivity of $0.025 \mathrm{~mol} \mathrm{~L}^{-1}$ methanoic acid is $46.1 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1}$. Calculate its degree of dissociation and dissociation constant. Given $\lambda^{0}\left(\mathrm{H}^{+}\right)$ $=349.6 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1}$ and $\lambda^{0}\left(\mathrm{HCOO}^{-}\right)=54.6 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1}$

The molar conductivity of $0.025 \mathrm{~mol} \mathrm{~L}^{-1}$ methanoic acid is $46.1 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}^{-1}$. Calculate its degree of dissociation and dissociation constant. Given $\lambda^{0}\left(\mathrm{H}^{+}\right)$ $=349.6 \mathrm{~S} \mathrm{~cm}^{2} \mathrm{~mol}...

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##### Ttration of 39.38 mL of 0.3615 M nitrous acid with 5 3615 Maqueous sodium hydroxide, what is the pH of the solution when 39.38 mL of the base have been added?Marks: -/1AnswerSubmiWhat the pK, of HNOz?4 Sx10-4 Use three digits for your answerMarks: -1AnswerSubmiy

ttration of 39.38 mL of 0.3615 M nitrous acid with 5 3615 Maqueous sodium hydroxide, what is the pH of the solution when 39.38 mL of the base have been added? Marks: -/1 Answer Submi What the pK, of HNOz? 4 Sx10-4 Use three digits for your answer Marks: -1 Answer Submiy...

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##### Question 6 (25 points) You push a 2.00 kg block against a horizontal spring, compressing the spring by 15.0 cm. Then you release the block; and the spring sends it sliding across & frictionless tabletop for 30.0 cm: The block then moves up an 30.09-incline plane and it moves up the incline for 65.0 cm before coming to rest: If the spring constant is 1000.0 N/m, determine the coefficient of kinetic friction between the block and the incline plane._Show your work for full credit: Upload your w

Question 6 (25 points) You push a 2.00 kg block against a horizontal spring, compressing the spring by 15.0 cm. Then you release the block; and the spring sends it sliding across & frictionless tabletop for 30.0 cm: The block then moves up an 30.09-incline plane and it moves up the incline for 6...

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##### Andrea hikes Up a large hill and back down in exactly 2 hours. The length of the walk to the top is 3 miles, She can climnb down the hill at a rate that is of 4 miles per hour faster that the rate at which she climnbs up the hill, At what rate does she climb down the hill?

Andrea hikes Up a large hill and back down in exactly 2 hours. The length of the walk to the top is 3 miles, She can climnb down the hill at a rate that is of 4 miles per hour faster that the rate at which she climnbs up the hill, At what rate does she climb down the hill?...

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##### In Exercises the following notation is used: $\mathbb{N}=$ the set of natural numbers, $\mathbb{W}=$ the set of whole numbers, $\mathbb{Z}=$ the set of integers, $\mathbb{Q}=$ the set of rational numbers, $1=$ the set of irrational numbers, and $\mathbb{R}=$ the set of real numbers. Classify the statement as true or false. $$0 \notin N$$

In Exercises the following notation is used: $\mathbb{N}=$ the set of natural numbers, $\mathbb{W}=$ the set of whole numbers, $\mathbb{Z}=$ the set of integers, $\mathbb{Q}=$ the set of rational numbers, $1=$ the set of irrational numbers, and $\mathbb{R}=$ the set of real numbers. Classify the sta...

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##### Extra Problem For a hypothetical capacitor, the electric field along the X-axis is given by; B Qx (see Fig:) where B positive . constant and Q is the plate magnitude Show then_ the derivation of the capacitance, C. of this charge capacitor by evaluating an appropriate line integral

Extra Problem For a hypothetical capacitor, the electric field along the X-axis is given by; B Qx (see Fig:) where B positive . constant and Q is the plate magnitude Show then_ the derivation of the capacitance, C. of this charge capacitor by evaluating an appropriate line integral...

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##### Ic Q - 25 /C, I0AC,AuL 40 cm In Ihe figure; whal (8 Ino megnltude ol the pleciria potentlal aI the centor? Calculate tho energy naeded bring sunC charge canter irom Inlinlty:

Ic Q - 25 /C, I0AC,AuL 40 cm In Ihe figure; whal (8 Ino megnltude ol the pleciria potentlal aI the centor? Calculate tho energy naeded bring sunC charge canter irom Inlinlty:...

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##### Transmitted beamVertical03Incident beam02

Transmitted beam Vertical 03 Incident beam 02...