## Question

###### Between periods of a hockey game a Zamboni spreads 8.55 L ofwater across the surface of a hockey rink. To freeze thisvolume of water at 0oC what is the valueof Î”Hsys? The density of water is 1.00g/mL. (Enter only your numericanswer with 1 decimal place - do not include units but make sureyour final answer is calculated in units of kJ. It is notnecessary to include a + sign, however if your answer is negativeplease include a - sign)

Between periods of a hockey game a Zamboni spreads 8.55 L of water across the surface of a hockey rink. To freeze this volume of water at 0oC what is the value of Î”Hsys? The density of water is 1.00g/mL. (Enter only your numeric answer with 1 decimal place - do not include units but make sure your final answer is calculated in units of kJ. It is not necessary to include a + sign, however if your answer is negative please include a - sign)

## Answers

#### Similar Solved Questions

5 answers

##### Assume all parameters are positive: Using double or triple integrals_ find the volume of the solids bounded by a) x/a? + ylp? zc = 1, (xla)ls (ylb)s = 1,2 = 0.6) z = arctan(ylx) 2 = 0, (x?+y)In = arctan(ylx), Y 20.c)x? +y+2 <x+y+2.Feel free t0 use polar, cylindrical or spherical coordinales_

Assume all parameters are positive: Using double or triple integrals_ find the volume of the solids bounded by a) x/a? + ylp? zc = 1, (xla)ls (ylb)s = 1,2 = 0. 6) z = arctan(ylx) 2 = 0, (x?+y)In = arctan(ylx), Y 20. c)x? +y+2 <x+y+2. Feel free t0 use polar, cylindrical or spherical coordinales_...

5 answers

##### 11.~-/2 POINTSSULLIVANCALC2 5.R.023.Find the integral:(3x + 8 if -4 <x < 0 1 {(x) dx, where {x) 2x2 + 8 if 0 <x <4Show My Work (Optional)

11. ~-/2 POINTS SULLIVANCALC2 5.R.023. Find the integral: (3x + 8 if -4 <x < 0 1 {(x) dx, where {x) 2x2 + 8 if 0 <x <4 Show My Work (Optional)...

5 answers

##### Find the LTs of the following: f() = (+4)( + 5)step(t) sin(28) 0 < t<{ (b) f() = otherwise

Find the LTs of the following: f() = (+4)( + 5)step(t) sin(28) 0 < t<{ (b) f() = otherwise...

5 answers

##### V NOIlsano 1 1 1 8 U } H U U pas past tho weak Gcimah decimal V 3 Calculat Cakulate 2 ol a 3 Calculato 8 solution of this soiution 0ltrt 0.267 acid: acid: 'Msolution 0f this acid.

V NOIlsano 1 1 1 8 U } H U U pas past tho weak Gcimah decimal V 3 Calculat Cakulate 2 ol a 3 Calculato 8 solution of this soiution 0ltrt 0.267 acid: acid: 'Msolution 0f this acid....

5 answers

##### A transformation image of the graph of Y fx) is represented by the equation 3 =~2f(5(x-3))5 The point (15, lies on the graph of Y = Xx) . What are the coordinates of the corresponding point on the image graph?

A transformation image of the graph of Y fx) is represented by the equation 3 =~2f(5(x-3))5 The point (15, lies on the graph of Y = Xx) . What are the coordinates of the corresponding point on the image graph?...

5 answers

##### 20.47 Fund the valucs of k for which eiclly divisible by + } 0 has the rom , = 2

20.47 Fund the valucs of k for which eiclly divisible by + } 0 has the rom , = 2...

5 answers

##### Part 1)What is the momentum of the man as measured in the frame of the hot air balloon?P =kgmls up the ladderPart 2)What is the velocity of the centre of mass of the man/hot air balloon system as the man climbs the ladder?Ucmmls upwardsNote: Enter negative answer if it is downwards_ Part 3)At the top of the ladder the man climbs into the basket: How far above the ground is the hot air balloon now? HCheck

Part 1) What is the momentum of the man as measured in the frame of the hot air balloon? P = kgmls up the ladder Part 2) What is the velocity of the centre of mass of the man/hot air balloon system as the man climbs the ladder? Ucm mls upwards Note: Enter negative answer if it is downwards_ Part 3) ...

5 answers

##### Use the zero-product property to solve the equation.$p(2 p+1)=0$

Use the zero-product property to solve the equation. $p(2 p+1)=0$...

5 answers

##### Choose the correct answer3. The packing material for the reversed phase column is made up of _________.(a) silica with trimethyl functional group (b) silica with octyl functional group (c) silica with octadecyl functional group (d) All of the above

choose the correct answer3. The packing material for the reversed phase column is made up of _________.(a) silica with trimethyl functional group (b) silica with octyl functional group (c) silica with octadecyl functional group (d) ...

5 answers

##### (4 points)Letf()dx =1,f(x) dx =-14,g(x) dx = 13,K^ s)dx = -3Use these values to evaluate the given definite integrals.(f(x) + g(x)) dx(f(x) - g(x)) dx =f" ef6)- 2g(x)) dx =d) Find the value such that(af(x) + g(x)) dx = 0.

(4 points) Let f()dx =1, f(x) dx =-14, g(x) dx = 13, K^ s)dx = -3 Use these values to evaluate the given definite integrals. (f(x) + g(x)) dx (f(x) - g(x)) dx = f" ef6)- 2g(x)) dx = d) Find the value such that (af(x) + g(x)) dx = 0....

1 answers

##### Solve each polynomial inequality in Exercises $1-42$ and graph the solution set on a real number line. Express each solution set in interval notation. $$ x^{3} \geq 9 x^{2} $$

Solve each polynomial inequality in Exercises $1-42$ and graph the solution set on a real number line. Express each solution set in interval notation. $$ x^{3} \geq 9 x^{2} $$...

5 answers

##### For each of the following compounds: IDENTIFY the bond type and ESTIMATE the IR stretching frequency for each bond indicated by the arrows_ As an example; letter (a) has been completed for you: While not required, you may also find it useful to note the shape and intensity of certain stretching frequencies: [10 pts]Bond typeStretching Frequency (cm-4)C Halkanelsp2800 _ 3000 g) h)

For each of the following compounds: IDENTIFY the bond type and ESTIMATE the IR stretching frequency for each bond indicated by the arrows_ As an example; letter (a) has been completed for you: While not required, you may also find it useful to note the shape and intensity of certain stretching freq...

5 answers

##### TimePercent transmilAbsorbance[CV]In[cv]variablevariableunitsvariablevariableunitsvariable0.244125144327508610.430.200659450546418325.670.1307682802690238234.67780.107905397309519642.37830.0809219076239260956.17880.0555173278498313765,47920.0362121726544447381.93950.02227639471115223

time Percent transmil Absorbance [CV] In[cv] variable variable units variable variable units variable 0.2441251443275086 10.43 0.2006594505464183 25.67 0.13076828026902382 34.67 78 0.1079053973095196 42.37 83 0.08092190762392609 56.17 88 0.05551732784983137 65,47 92 0.03621217265444473 81.93 95 0.02...

5 answers

##### Tim Jackson has surfed since he was a young teenager through his young adulthood years off the coast of Maui, where he was born and raised. Every time the surf was up and the sun was out, he was on his board. Twenty years later; he is diagnosed with malignant melanoma.1. What protective measures might Tim have taken as a younger surfer? 2. Identify the possible treatment measures that might be taken. 3 . How many factors do you believe directly effect the diagnosis of malignant melonma; one'

Tim Jackson has surfed since he was a young teenager through his young adulthood years off the coast of Maui, where he was born and raised. Every time the surf was up and the sun was out, he was on his board. Twenty years later; he is diagnosed with malignant melanoma. 1. What protective measures mi...

5 answers

##### 16. The least effective separation method for extracting pure water from salt water is (a) distillation (b) freezing (c) osmosis (d) filtration

16. The least effective separation method for extracting pure water from salt water is (a) distillation (b) freezing (c) osmosis (d) filtration...

5 answers

##### In schematic diagrams; currents are indicated using arrows. What do the arrows indicate?the direction of motion of the electrons the direction of the current vector the direction of motion of the charge carriers the direction that positive charge carriers would move nothing; they arejust a convenient drawing tool

In schematic diagrams; currents are indicated using arrows. What do the arrows indicate? the direction of motion of the electrons the direction of the current vector the direction of motion of the charge carriers the direction that positive charge carriers would move nothing; they arejust a convenie...

5 answers

##### Find the Particular Integral of the differential equation ( D3 T)y = 4sin? $Answer:

Find the Particular Integral of the differential equation ( D3 T)y = 4sin? $ Answer:...

5 answers

##### Question 161 /1ptsAdisk with a uniform positive surface charge density lies in the *-Y plane, centered on the origin Along the positive. axis; thc dircction of the electric held is:Jn thc circcoonIncro e no hcld Nom " Ine potinvc *oxitIn thc -Y dltectionIn thc +* dtcctonthc +2 dirccdenQuestion 170 / 1 ptsAn electric dipole consists of particle with , charge of+6 * 10 6Cat the origin and particle with` charge of 10-6 Con the * axis atx = 3 10 m: Thc dircction of thc clcctric ficld duc to th

Question 16 1 /1pts Adisk with a uniform positive surface charge density lies in the *-Y plane, centered on the origin Along the positive. axis; thc dircction of the electric held is: Jn thc circcoon Incro e no hcld Nom " Ine potinvc *oxit In thc -Y dltection In thc +* dtccton thc +2 dirccden Q...

1 answers

##### Let A =(# Determine bases of the following vectot spaces: the null space of A; the TOW space 0f 4; the column space of 4_

Let A = (# Determine bases of the following vectot spaces: the null space of A; the TOW space 0f 4; the column space of 4_...

4 answers

##### Consider the equation flz) = cos(e?) _ &? _ 3r +1 calculate the smallest positive root by using fbed-point method: Write the possible iteration equations for fixed point function_ Decide which one is suitable for calculating the smallest positive root Perform two iterations of the above function Using fixed point iteration.Jt of

Consider the equation flz) = cos(e?) _ &? _ 3r +1 calculate the smallest positive root by using fbed-point method: Write the possible iteration equations for fixed point function_ Decide which one is suitable for calculating the smallest positive root Perform two iterations of the above function...