5

# Question 144ptsA first-order reaction has a half-life of 30 minutes. How long will it take for the reactants to drop to 6.25% of their initial concentration?1.0 hou...

## Question

###### Question 144ptsA first-order reaction has a half-life of 30 minutes. How long will it take for the reactants to drop to 6.25% of their initial concentration?1.0 hour15hours1.67hours175 hours20hours

Question 14 4pts A first-order reaction has a half-life of 30 minutes. How long will it take for the reactants to drop to 6.25% of their initial concentration? 1.0 hour 15hours 1.67hours 175 hours 20hours

#### Similar Solved Questions

##### 12. Two converging lenses are used as a microscope in the below figure: The final image is 40 times larger than the object and 207 cm away from the object: The first lens's focal point is 10 cm, and the object is 30 cm away from it. Calculate fz, focal point of the second lens, and x the separation between the lenses_6=10 cm207 cm
12. Two converging lenses are used as a microscope in the below figure: The final image is 40 times larger than the object and 207 cm away from the object: The first lens's focal point is 10 cm, and the object is 30 cm away from it. Calculate fz, focal point of the second lens, and x the separa...
##### Problem 4.55dohihescape ramps are sometimes provided to the side of steep downhill highways for trucks with overheated brakes.
problem 4.55 dohihescape ramps are sometimes provided to the side of steep downhill highways for trucks with overheated brakes....
##### Differentiable at the indicated point. whether each function is Example 2: Decide Give a reason for your answer. flxy) = Ixy | at (0,1) xy? ifx 2 0 Note that Ixy?| = (_xy? ifx < 0 (0,1),y = 1, consider f(x,1) = Ix(1)2/ = Ixl, which is So, consider since at the point Jim f(x,1) since not differentiable at x = 0 because (1jin81)-f(x,1) # 6,1ji981)- Y =1 Therefore f(r,Y) does not exist at (0,1). And therefore, ~xyl # xy2 when f(x,y) is not differentiable at (0,1)
differentiable at the indicated point. whether each function is Example 2: Decide Give a reason for your answer. flxy) = Ixy | at (0,1) xy? ifx 2 0 Note that Ixy?| = (_xy? ifx < 0 (0,1),y = 1, consider f(x,1) = Ix(1)2/ = Ixl, which is So, consider since at the point Jim f(x,1) since not different...
##### For endotherms Why does MR increase below the lower critical ambient temperature and increase above the upper critical ambient temperature? For ectotherms why does MR increase in a exponential fashion as ambient temperature increases" Why must researchers report ambient temperature when reporting metabolic rate of an ectotherm? Is this also imnorant for endothermc? iNbi
For endotherms Why does MR increase below the lower critical ambient temperature and increase above the upper critical ambient temperature? For ectotherms why does MR increase in a exponential fashion as ambient temperature increases" Why must researchers report ambient temperature when reporti...
##### 2 Express the following sets in set-builder notation: (a) {3,9,27,81,243, (b) { '-11,-5,1,7,13,19, (c) {-3,-1,1,3,5,7,9,11} (d) {0,3,8,15,24,35,48,
2 Express the following sets in set-builder notation: (a) {3,9,27,81,243, (b) { '-11,-5,1,7,13,19, (c) {-3,-1,1,3,5,7,9,11} (d) {0,3,8,15,24,35,48,...
##### The SySteh HownCensists 04 Lonc Rod Which Pivots Bout (Ts U PPER END With CATchea 7hb Bottoxt M Rop Ico GRAHS L Rop Cm CATc Hor 40 &r ms Projectile (m 20 Gram ) sht INTO Thl catcher 50 ~Is ^(4) Find Thd initial AnguLaR Velocity The sYstm _ (B) Find the ENercY FTGR The collision
The SySteh HownCensists 04 Lonc Rod Which Pivots Bout (Ts U PPER END With CATchea 7hb Bottoxt M Rop Ico GRAHS L Rop Cm CATc Hor 40 &r ms Projectile (m 20 Gram ) sht INTO Thl catcher 50 ~Is ^ (4) Find Thd initial AnguLaR Velocity The sYstm _ (B) Find the ENercY FTGR The collision...
##### Read about the Monty Hall dilemma (http LLwwwmath uah edulstat/games[MontyHallhtml) If there were five doors, four of which conceal goat, one of which conceals car, and Monty revealed three goats before giving the option to switch, what would the probability of winning be if you switched, and what would the probability of winning be if you did not switch?
Read about the Monty Hall dilemma (http LLwwwmath uah edulstat/games[MontyHallhtml) If there were five doors, four of which conceal goat, one of which conceals car, and Monty revealed three goats before giving the option to switch, what would the probability of winning be if you switched, and what w...
##### Deciml Plecrs Qhar Un deulet? the z-score that cuts off the (Op 78.18% Of Brea_ Round to For nonmal disiribution, find Answer:|
deciml Plecrs Qhar Un deulet? the z-score that cuts off the (Op 78.18% Of Brea_ Round to For nonmal disiribution, find Answer:|...
##### (12 points) Scores on the GRE: collugu sunior who took the Grad uate Aecord Exam nation exum scored 520 5 Ihe Varbal Reasoning section and 870 on Ine Quantitati Reasonlng Acilon #oru Verbal Reasoning sacton was 462 walh standard deviatlon 107, and tne (ean acore for the Cuantitative Reasoning was 458 wath = standard deviaton 150.Suppose that both distributlons nearly nommal. Round calculated answiers docimal places untess directed other i58.1,Write Cown the short-hand for these to normal de9in
(12 points) Scores on the GRE: collugu sunior who took the Grad uate Aecord Exam nation exum scored 520 5 Ihe Varbal Reasoning section and 870 on Ine Quantitati Reasonlng Acilon #oru Verbal Reasoning sacton was 462 walh standard deviatlon 107, and tne (ean acore for the Cuantitative Reasoning was ...
##### MATH 105 - College Algebra (12158/12159)Homework: 1.4 Complex Numbers Score: 0 of pt 8 of 13 8 complete)1.4.41Perform the indicated operation(s) and write the result in standard form ~27 (V -7 V5 )T-27 ( V-7 V5) (Simplify your answer Type an exact answer; using radicals and as needed: Type your answer
MATH 105 - College Algebra (12158/12159) Homework: 1.4 Complex Numbers Score: 0 of pt 8 of 13 8 complete) 1.4.41 Perform the indicated operation(s) and write the result in standard form ~27 (V -7 V5 ) T-27 ( V-7 V5) (Simplify your answer Type an exact answer; using radicals and as needed: Type your ...
##### 104 Representing rated trcesFigure 10.9 Tl representation ol DML } Irct" Ejeh node us the' ALtcibules (lower lelth. and Hghut (lower right, The kcv #lltibule s are' nOt show n(LOp). X.leftT.nlThe lelt-child , right-sibling TepresenLaLic of 4 tree Each noxle has utribules. P Figure I0.10 left-child (lower lell). right-sibling (lower tight} The key altributes wre Hx shown (LOp) ,T.ru
104 Representing rated trces Figure 10.9 Tl representation ol DML } Irct" Ejeh node us the' ALtcibules (lower lelth. and Hghut (lower right, The kcv #lltibule s are' nOt show n (LOp). X.left T.nl The lelt-child , right-sibling TepresenLaLic of 4 tree Each noxle has utribules. P Figure...
##### 1 1 1 1223 1 1 1 1 1 W 1 U UL 1 1 H 1 1 I 1 120 H 1 1 1 1 1 1 1 1 1 1 1 M11
1 1 1 1223 1 1 1 1 1 W 1 U UL 1 1 H 1 1 I 1 120 H 1 1 1 1 1 1 1 1 1 1 1 M 1 1...
##### Let x?2 + 231 2yz = 0 then 82 at (1,1,1) is 0ySelect one:Ola1Ob 0KMc1
Let x?2 + 231 2yz = 0 then 82 at (1,1,1) is 0y Select one: Ola1 Ob 0 KMc1...
##### An object moves in a horizontal circle at constant speed $v$ (in units of $\mathrm{m} / \mathrm{s}) .$ It takes the object $T$ seconds to complete one revolution. Derive an expression that gives the radial acceleration of the ball in terms of $v$ and $T,$ but not $r .$ (a) If the speed doubles, by what factor must the period $T$ change if $a_{\text {rad }}$ is to remain unchanged? (b) If the radius doubles, by what factor must the period change to keep $a_{\text {rad }}$ the same?
An object moves in a horizontal circle at constant speed $v$ (in units of $\mathrm{m} / \mathrm{s}) .$ It takes the object $T$ seconds to complete one revolution. Derive an expression that gives the radial acceleration of the ball in terms of $v$ and $T,$ but not $r .$ (a) If the speed doubles, by w...
##### Qk) Stuly Ae Canlexdece Yelley SequencesnSinly5 02k 3 kl â‚¬2nK[zk KaIanSux} n ni
Qk) Stuly Ae Canlexdece Yelley Sequences nSinly 5 0 2k 3 kl â‚¬ 2n K[zk Ka Ian Sux} n ni...
##### Find the magnitude and direction (in degrees) of the vector. $$\mathbf{v}=\mathbf{i}+\sqrt{3} \mathbf{j}$$
Find the magnitude and direction (in degrees) of the vector. $$\mathbf{v}=\mathbf{i}+\sqrt{3} \mathbf{j}$$...
##### Supposer(x,y) = +5. In(x)Findr(x, y + h) ~ r(x,y) h
Suppose r(x,y) = +5. In(x) Find r(x, y + h) ~ r(x,y) h...
##### Which of the molccular structure of the following pairs that has the grcatcst dipolc moment? Remember that molccular dipole moments arc vector sums_ Assumc that cach hybridized carbon has an idcal molccular gcomctry. Select the best answcr.PairPair 2Pair 1 - I, Pair 2 = III Pair 1 - I, Pair 2 _ IV Pair 1 = II; Pair 2 = III Pair =II, Pair 2 = IVIn at lcast thrcc or four scntenccs cxplain your sclcction for thc previous qucstion
Which of the molccular structure of the following pairs that has the grcatcst dipolc moment? Remember that molccular dipole moments arc vector sums_ Assumc that cach hybridized carbon has an idcal molccular gcomctry. Select the best answcr. Pair Pair 2 Pair 1 - I, Pair 2 = III Pair 1 - I, Pair 2 _ I...
##### (25 points) The profile below shows the preferences of voters (E; F G, and H)election with candidatesNumber of votersPrelerence G >F>E>H E>>G>F #>E>G>F F>E>#>6Ph>6>EDetermine the plurality winner of this election: Determine there Condorcet winner of this election You must shoxalLpossiblpairwisasubeleclions of twO candidates: Does this election satisfy the Condorcet Winner Criterion (CWC)? Why or why not?
(25 points) The profile below shows the preferences of voters (E; F G, and H) election with candidates Number of voters Prelerence G >F>E>H E>>G>F #>E>G>F F>E>#>6 Ph>6>E Determine the plurality winner of this election: Determine there Condorcet winner of thi...
##### Uutonal exergiseFind the net torque on the wheel in the figure below about the axle through 0 perpendicular to the page, taking a = 12,0 cm and b = 24.0 cmVta StepThe total torque on an object is the sum of the individual torques_ Remember that d is the perpendicular distance from the rotation axis to the line of action of the force F, called the moment arm or lever arm of F We have the following: Crd NJo.12 m) (10.0 NJ m) NJ0.24 m)This represents a torque vector that points into the plane of th
uutonal exergise Find the net torque on the wheel in the figure below about the axle through 0 perpendicular to the page, taking a = 12,0 cm and b = 24.0 cm Vta Step The total torque on an object is the sum of the individual torques_ Remember that d is the perpendicular distance from the rotation a...

-- 0.022650--