Archives
2010
October

Questions Asked on October 17, 2010

A coordinate grid is used on the plan of a new housing development. fibre optic cable is being laid with a mico-tunnelling
1. 4 answers
2. asked by Ted
3. 2,337 views
staright line y=x-1 meets curvey=x^2-5x-8 at the points A and B. the curve y=p+qx-2x^2 also passes through ponts A and B. what
1. 4 answers
2. asked by tommas
3. 1,704 views
Here were two tricky questions. Please provide steps. Answers are not necessary (since these are practice questions for an
1. 3 answers
2. asked by jo
3. 781 views
Write the electron configuration for Se using the noble gas core format.
1. 3 answers
2. asked by KELLY
3. 494 views
The greater of two consecutive integers is 15 more than twice the smaller. Find the integers.
1. 3 answers
2. asked by Krysta
3. 732 views
A uniform solid sphere of mass M and radius R is rolling without sliding along a level plane with a speed v = 2.70 m/s when it
1. 3 answers
2. asked by Donny
3. 1,170 views
The lengths of the sides of a triangle are consecutive even integers. Find the length of the longest side if it is 22 units
1. 2 answers
2. asked by Anonymous
3. 1,172 views
Mercy Hospital decides to install a netwrok to serviceits various wards and operating rooms and emergency room that will give
1. 1 answer
2. asked by dwayne
3. 440 views
Which of the following gases will occupy the smallest volume at 300 K and 760 torr and why?80 g diatomic oxygen 80 g methane 80
1. 6 answers
2. asked by susan
3. 791 views
Chemistry equilibrium?Consider the reaction 2NO(g) + O2(g) = 2NO2(g) at 430C an equilibrium mixture consists of 0.020 mole of
1. 3 answers
2. asked by Ashley
3. 1,412 views
A sample of nitrogen gas (N2) kept in a container of volume 13.3 L and at a temperature of 22.3°C exerts a pressure of 1.1 atm.
1. 2 answers
2. asked by nicole
3. 783 views
Mei's salary starts at $16,000 per year with annual raises of $1500. Janet's starting salary is $19,300 with annual raises of
1. 4 answers
2. asked by Anonymous
3. 1,642 views
A 16.5 cm3 bubble under the ocean at 2.1 atm and 12.5oC surfaces to 1.0 atm and 22.1oC. What is the new volume (in cm3)?
1. 1 answer
2. asked by april
3. 354 views
What volume (in Liters) of hydrogen must react to form 17.0L of ammonia according to the following balanced equation:N2(g) +
1. 1 answer
2. asked by christine
3. 507 views
How do I solve:-9x + 2x to the third power +8x -12x to the third power
1. 3 answers
2. asked by Tawny
3. 451 views
Eric has twice as much money as Marcia, who has $175 less than Laurel. But Laurel has as much money as Eric and Marcia have
1. 3 answers
2. asked by Anonymous
3. 716 views
A car mass of 1330 kg is traveling at 28.0 m/s. The driver applies the brakes to bring the car to a rest over a distance of 79.0
1. 5 answers
2. asked by Emma
3. 1,437 views
Question:Meg wants to install square tiles in a rectangular room. How can identifying common factors help her decide if any
1. 5 answers
2. asked by Pratigya
3. 984 views
A car travels due east with a speed of 60.0 km/h. Rain is falling vertically with respect to the Earth. The traces of the rain
1. 5 answers
2. asked by Kristen
3. 1,407 views
A company's records indicate that on any given day, 1% of their day shiftemployees and 2% of the night shift employees will miss
1. 2 answers
2. asked by lisa
3. 1,350 views
A mixture of 0.47 mole of H2 and 3.59 moles of HCl is heated to 2800C. Calculate the equilibrium partial pressures of H2 Cl2 and
1. 3 answers
2. asked by Ashley
3. 695 views
how many mls of glycerol (FW= 92.1; density=1.26g/ml) must be used to make 250ml of a 0.15 M solution
1. 2 answers
2. asked by lulu78
3. 607 views
How is E-business , grandma's treats doing in profit
1. 1 answer
2. asked by d walker
3. 375 views
what is used to knead dough and to roll pastry ?what is used to cook some less tender meats,to steam puddings and to asselerate
1. 10 answers
2. asked by Rose
3. 1,093 views
How many moles of O2 are needed to react with 2.90 moles C2H2
1. 3 answers
2. asked by Nic
3. 1,735 views
iatrochemistry-what is it? -who created it? cant use wikipedia :s thanks!
1. 3 answers
2. asked by Regina
3. 289 views
A 0.720 kg snowball is fired from a cliff 8.10 m high. The snowball's initial velocity is 14.2 m/s, directed 30.0° above the
1. 3 answers
2. asked by VitaX
3. 853 views
find the equation of a line that passes through the origin and point (-3,6)
1. 4 answers
2. asked by Lauren
3. 884 views
solve the simultaneous equations to find the coordinates of the point of intersection for the pair of lines of the simultaneous
1. 3 answers
2. asked by Lauren
3. 1,079 views
When two numbers are added together, the result is 45.Twice the greater number is six more than five times the lesser number.
1. 3 answers
2. asked by 111
3. 701 views
You operate a gaming Web site, where users must pay a small fee to log on. When you charged $4 the demand was 510 log-ons per
1. 1 answer
2. asked by liz
3. 538 views
I need help on a homework problem. "Determine a vector equation for the line perpendicular to 4x-3y=17 and through point (-2,4).
1. 1 answer
2. asked by Kate
3. 790 views
Find the intersection of the line through (0, 1) and (4.4, 2) and the line through (1.9, 3) and (5.3, 0). (Round your answers to
1. 3 answers
2. asked by liz
3. 1,016 views
roberta sold fifty tickets for the school play. Roberta sold ten more student tickets than adult tickets. How many tickets did
1. 3 answers
2. asked by 111
3. 566 views
roberta sold fifty tickets for the school play. Roberta sold ten more student tickets than adult tickets. How many tickets did
1. 3 answers
2. asked by 111
3. 466 views
Urban Community College is planning to offer courses in Finite Math, Applied Calculus, and Computer Methods. Each section of
1. 1 answer
2. asked by liz
3. 1,006 views
roberta sold fifty tickets for the school play. Roberta sold ten more student tickets than adult tickets. How many STUDENT
1. 3 answers
2. asked by 111
3. 512 views
What would john dickinson think of the Boston Tea Party?
1. 3 answers
2. asked by Angelina
3. 418 views
NiF2(aq)+Fe2(SO4)3(aq) ==NiSO4 (aq) + FeF3 (s)balance each of the following chemical equations. Express your answer as a
1. 3 answers
2. asked by Lisa
3. 1,769 views
A 506 g block is released from rest at height h0 above a vertical spring with spring constant k = 500 N/m and negligible mass.
1. 5 answers
2. asked by VitaX
3. 935 views
Balance the following equations?a) Fe(OH)2 + 2O2 + 3H2O �¨ Fe(OH)3 (b) 5Sr + 6H2O �¨ 7Sr(OH)2 + 8H2 (c) 9Al + 10Fe3O4 �¨
1. 3 answers
2. asked by Ashley
3. 452 views
Write and balance the reaction for the complete combustion of methanol, CH3OH. (Type your answer using the format CO2 for CO2.
1. 2 answers
2. asked by Ashley
3. 659 views
I need a brief summury of the four staged of transformations learning cycle
1. 1 answer
2. asked by laura
3. 456 views
1) Minimize versus minimise. Which is UK English & which is US English?2) After cleaning, all waste must be properly disposed
1. 2 answers
2. asked by ann
3. 1,299 views
What mass of calcuim chloride is needed to prepare 3.650L of 1.75 M solution?
1. 1 answer
2. asked by 0karla
3. 409 views
find the polar equation for hyperbola eccentricity of .8 and a vertex of (1,pi/2)?
1. 1 answer
2. asked by Damian
3. 367 views
Determine the density of methane (CH4) in g/L at 24.7oC and 1.1 atmideal gas eqn: P = (rho)RT, where: pressure: P = 1.1 atm
1. 2 answers
2. asked by kellie
3. 664 views
How do I fix this sentence?some of the questions I asked him include “Tell me reasons why did you end up staying at the
1. 1 answer
2. asked by Anonymous
3. 366 views
I need the chapter summary for 'Strange Objects' by Gary Crew ASAP!!! Please help me!
1. 3 answers
2. asked by Kiara
3. 634 views
a leach-free area for dogs is to be created in a field behind a recreation centre. what length of fencing will be required, if
1. 1 answer
2. asked by Ted
3. 425 views
I think I have mostly all the answers to my questions though I don't know if they are right. Any ways my last question is: what
1. 1 answer
2. asked by Rose
3. 498 views
the period of time when the uterus returns to its normal size is the?A) luteal phase B)menarche C)puerperium D)ovulation
1. 1 answer
2. asked by ceecee
3. 406 views
How can I get dose from exposure?Could you provide an example of it? Thank you
1. 1 answer
2. asked by A
3. 312 views
Find the work done by a 15 N force in the direction of the vector (1,2,2) when it moves a particle from O(0,0,0) to P(1,-3,4)
1. 1 answer
2. asked by Christian
3. 342 views
When using the Born-Haber Cycle for Na2S, do I double the ionization energy of Na since there are two Na ions for every S ion in
1. 1 answer
2. asked by Becca
3. 1,204 views
5. The LC50 for fluorine is 0.29 mg/m3. What is this in ppm at 25 oC and 1 atm pressure? How does this compare to the PEL?
1. 1 answer
2. asked by D
3. 422 views
Please answer each of the following questions in paragraph form. You should write one short paragraph for each response. Be sure
1. 4 answers
2. asked by Rosa
3. 2,179 views
Draw an orbital diagram showing valence electrons and write the condensed ground-state electron configuration for Se3+
1. 2 answers
2. asked by KELLY
3. 611 views
Write the condensed ground-stste electron configuration of the transition metal ion Mo3+
1. 2 answers
2. asked by KELLY
3. 1,243 views
A 25 kg mass is on a level, rough surface where the force of friction is a constant 15 N. A horizontal applied force of 65 N
1. 2 answers
2. asked by Tia
3. 544 views
Consider a frictionless track as shown in the figure below. A block of mass m1 = 4.25 kg is released from A. It makes a head on
1. 3 answers
2. asked by sam
3. 1,084 views
how to do the calculation while taking 'A'as 15 in the half angle formula used for calculating the value of sin 7.5 ?
1. 2 answers
2. asked by Anonymous
3. 983 views
prove that cos 52 + cos 68 + cos172 = 0
1. 4 answers
2. asked by Anonymous
3. 4,313 views
tell me if im right or wrongFor Kc,it only includes gas and aq for Kp, only includes gas. What about vapor pressure, do i use
1. 1 answer
2. asked by nighter
3. 316 views
what is the difference between these two equation:delta G= delta H-T(delta S) and deltaG(knot)=delta H(knot)-T(delta S knot)
1. 1 answer
2. asked by nighter
3. 521 views
two springs and two masses are attached in a straight line on a horizontal frictionless surface. the system is set in motion by
1. 1 answer
2. asked by zainab
3. 669 views
if cosA is 5/13 and tangent Ais 5/12 how do i find the sine
1. 2 answers
2. asked by hillary
3. 1,006 views
I conducted a simple titration experiment and i need to write how and why are the results reproducible can some one help me in
1. 1 answer
2. asked by Charlie
3. 516 views
Use 2nd Fundamental Theorem of Calculus to find derivative of f(x) = integral of 2x^2 to x-5 of square root of Sin(t)dt.Please
1. 3 answers
2. asked by Nick
3. 480 views
I'm doing an analysis on a class text and a self chosen related text and one of the things the sheet says to do is to identify
1. 1 answer
2. asked by melissa
3. 478 views
please correct me if i am wrongthe body has 3 different joints: A. fixed or immovable joints B. slightly movable C. freely
1. 3 answers
2. asked by chelsea
3. 590 views
one side of a right triangle is 8 cm.the hypotenuse is 3 cm.more than twice of the other side.what is the measure of the other
1. 1 answer
2. asked by jarlee
3. 344 views
In melting point determination, why shouldn't a substance be re-melted? (i.e. why should we not re-melt a substance that has
1. 2 answers
2. asked by ann
3. 1,294 views
Which sentence is correct?1) This product is due for retest. or 2) This product is due for retesting.
1. 1 answer
2. asked by candy
3. 308 views
For anyone with experience working with game theories...1.) Two animals are fighting over some prey. Each can be passive or
1. 1 answer
2. asked by jo
3. 718 views
how do you show that line 3x+y-2=0 is a tangent of the curve y=(4x-3)(x-2) and how to find the point of contact??
1. 2 answers
2. asked by Jack
3. 516 views
show that the curvesy=2x^2+5x y=x^2+4x+12 y=3x^2+4x-6 have one point in common and find coordinates??
1. 1 answer
2. asked by tod
3. 444 views
please could someone help me answer this questionwhy relations between britain and germany changed in the years 1936-1939? was
1. 1 answer
2. asked by kellie
3. 416 views
design an experiment which will allow you to produce exactly 12.5gr of pure dry Copper Hydroxide also needequipment required
1. 1 answer
2. asked by jorge fuenzalida
3. 371 views
please could i say a huge thankyou you have helped me alot and i appreciate it thankyou again you are a star!:]
1. 2 answers
2. asked by kellie
3. 829 views
A 16.5 cm3 bubble under the ocean at 2.1 atm and 12.5oC surfaces to 1.0 atm and 22.1oC. What is the new volume (in cm3)?i used
1. 1 answer
2. asked by APRIL
3. 331 views
A balloon is filled with 2.3 cm3 helium gas at 112.1 atm pressure. What will be the new pressure (atm) if the volume is changed
1. 1 answer
2. asked by kellie
3. 469 views
The study of kineticsgroup 1: Temp: 12.6 C T(K): 12.6+273= 285.6 1/T(K): 3.50X10^-3 this one is the x value Time: 816 sec Rate
1. 1 answer
2. asked by chemistyr
3. 433 views
for english class i have to write a poem personifying something. I chose to personify a picture in a picture frame. I am not at
1. 4 answers
2. asked by claire
3. 959 views
Two identical objects have charges 6.0*10^-6 and -2.0*10^-6 respectively. When placed a distance d apart, their force of
1. 2 answers
2. asked by Anonymous
3. 609 views
how many times does a wheel turn in travelling 3km if a circumfrence of a wheel is 2m?
1. 3 answers
2. asked by Esin
3. 376 views
Looking on the national gallery of art website (or it can be seen by typing the name of the painting in any search box) review
1. 3 answers
2. asked by m
3. 672 views
show that the curvesy=2x^2+5x y=x^2+4x+12 y=3x^2+4x-6 have one point in common and find coordinates??
1. 1 answer
2. asked by tod
3. 487 views
A 7.0-g bullet is fired into a 1.5-kg ballistic pendulum. The bullet emerges from the block with a speed of 200 m/s, and the
1. 4 answers
2. asked by john
3. 2,164 views
What is the binary representation of the following hexadecimal number? What are the decimal numbers they represent when
1. 4 answers
2. asked by Drake
3. 1,850 views
This questions is from Chapter 5, #54) Write a program to compute tips for services rendered. The program should request th
1. 5 answers
2. asked by Lee
3. 1,075 views
The equation for the reaction between hydrogen gas and oxygen gas is:2H2(g) + O2(g) ---> 2H2O(l) i) How much hydrogen will react
1. 2 answers
2. asked by paul
3. 858 views
sarah has dimes and nickels which total $1.65. the number of nickels she has is 3 less than the number of dimes. how many of
1. 1 answer
2. asked by smith
3. 377 views
two planes take off from an airport at the same time and head in opposite directions at 260mph and 275mph respectively. in how
1. 2 answers
2. asked by donny
3. 531 views
Just so I know I am understanding this, can you please let me know if I am doing this right?Simplify: 24u - 6(8 - 4u) + 52 24u
1. 3 answers
2. asked by Kate
3. 335 views
Factor each expression1-9a^2/a+1 times 4x^2-y^2/x+y Here is what I got: (1-3a)(1+3a)/a+1 times (2x-y)(2x+y)/x+y what am i doing
1. 1 answer
2. asked by Monica
3. 409 views
A rectangle has a length of 2d and a height of d. Each of the following three charges is located at a corner of the rectangle:
1. 2 answers
2. asked by Jerry
3. 565 views
how would you factor this expresssion I'm so confused. Thank youx^3-4x^2+3x/x+2 times (x^2-3x)
1. 3 answers
2. asked by Monica
3. 319 views
what is the present value of 1000 paid at the end of each of the next 100 years if the interest rate is 7% per year
1. 3 answers
2. asked by Tiffany
3. 2,176 views
What are the exact chemicals found in raw ground beef?
1. 1 answer
2. asked by AL 92
3. 802 views

Back to October 2010

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2024