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Questions Asked on April 13, 2015

What is the oxidation state assigned to Cr in zinc dichromate, ZnCr2O7?
1. 1 answer
2. asked by JUNDY
3. 1,800 views
A fish tank is in the shape of a rectangular prism. The dimensions of the tank are shown in thepicture below. 84 in. 24 in. 48
1. 4 answers
2. asked by Lakshmi
3. 2,668 views
I need help. One diagram backward Z, has 2|lines intersected by another line. The upper corner on left is 32 degrees. coming
1. 0 answers
2. asked by robin
3. 457 views
A crane operator intends to lift a 300 kg piece of equipment using an upward force of 4000 N, will he be able to lift the
1. 0 answers
2. asked by Danielle
3. 499 views
have 2 || lines C and d. lines intersect lines are a and b. On a, has 2 alternate interior <s 95 and x; 2 al. exterior <s 95 and
1. 0 answers
2. asked by bob
3. 526 views
A half-cell that consists of a copper wire in 1.00 M CuNO3 solution is connected by a salt bridge to a half cell containing a
1. 1 answer
2. asked by JUNDY
3. 684 views
I'm stuck on this homework question. If someone can just help get me started with the first one I'm sure I can do the rest. I'm
1. 2 answers
2. asked by Emily
3. 1,369 views
Stacy uses a close range telescope, which contains 2 converging lenses, each having a focal distance of 0.750 m, separated by a
1. 0 answers
2. asked by Victoria
3. 458 views
Calculate ΔGo (in J) for 2 moles of electron(s) in each half-reaction and a standard potential of 0.57 V.
1. 1 answer
2. asked by JUNDY
3. 812 views
Calculate Keq for 2 moles of electron(s) in each half-reaction and a standard potential of 0.55 V.
1. 1 answer
2. asked by JUNDY
3. 900 views
Given these reactions and their corresponding ΔG° values,Glucose + phosphate → glucose-6-phosphate + H2O; ΔG° = +13.13 kJ
1. 1 answer
2. asked by Jane
3. 532 views
At room temperature (25 °C), the gas ClNO is impure because it decomposes slightly according to the equation2ClNO(g) Cl2(g) +
1. 1 answer
2. asked by Jane
3. 592 views
Mr. Wu needs to buy a right cylindrical fish tank that holds between 75 and 100 cubic meters of water. Using only these numbers:
1. 1 answer
2. asked by Kimbo
3. 593 views
2. An airplane is 50,000 m above an observer and 2.1 km to the west of them and 1.5 km to the north of you. Determine the angle
1. 1 answer
2. asked by MICHAEL T.
3. 469 views
3. A bullet is fired from at a shooting range. The bullet hits the ground after 0.32 seconds. How far did it travel horizontally
1. 1 answer
2. asked by Michael
3. 908 views
A not so brilliant physics students wants to jump from their 3rd floor apartment window to the swimming pool below. The problem
1. 1 answer
2. asked by Carla Mae
3. 796 views
The following diagram represents a coffee table . If the scale is 1:30, determine the actual dimensions of the table it is 41/2
1. 1 answer
2. asked by Krista
3. 459 views
Patricia and Joe Payne are divorced. The divorce settlement stipulated that Joe pay $520 a month for their daughter Suzanne
1. 0 answers
2. asked by Anonymous
3. 1,063 views
What is the most abundant fossil fuel?A:Coal B:Gas C:Wood D:Oil
1. 4 answers
2. asked by Rachel
3. 949 views
1. I read Chapter 2 of my history book.2. I read chapter 2 of my history book. ======================= Which one is grammatical?
1. 1 answer
2. asked by rfvv
3. 526 views
5x-4y= -32x + 7y= 5 How to solve this linear system shown above by using elimination strategy ? (5x-4y= -3) *2 ->10x - 12y= 6
1. 3 answers
2. asked by td
3. 1,094 views
A DVD rental store wants to know what proportion of its customers are under age 21. A simple random sample of 500 customers was
1. 1 answer
2. asked by Statistics
3. 991 views
Suppose that the starting salaries of female CFO have a mean of $56,000 and a standard deviation of $12,000. The starting
1. 1 answer
2. asked by Ronda
3. 789 views
The speaker in “Follower” was considered a nuisance because heA. grew up to be a farmer. B. admired his father greatly. C.
1. 2 answers
2. asked by Emi
3. 514 views
What mass of KCl in grams is formed when 2.00lbs of KClO3 is decomposed?
1. 1 answer
2. asked by Helen
3. 586 views
Draw a Venn diagram that represent a class of 32 students. All students take Spanish and 20 take French. How many did not take
1. 2 answers
2. asked by Jordae
3. 1,142 views
True or false? Creativity and practical intelligence are typically combined to create experts in a particular field.
1. 2 answers
2. asked by Anonymous
3. 413 views
Find the radius of the circle if an arc of length 5 ft on the circle subtends a central angle of 135°. (Round your answer to
1. 3 answers
2. asked by A
3. 5,317 views
Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 6 cos t, y =
1. 4 answers
2. asked by Ciara
3. 2,730 views
verify the relationship between the zeroes and the coefficient in the polynomial f (x)=root 4x square +5x-2 root3 if alpha and
1. 0 answers
2. asked by jhon mathew
3. 634 views
explain the importance of making proteins fluoresce. Explain the importance of animal studies on GAN.
1. 0 answers
2. asked by Shala
3. 477 views
If alpha and beta are the zeroes of the polynomial f (x) = 5y square -7y + 1. Find another polynomial whose zeroes are 2 alpha /
1. 1 answer
2. asked by jhon mathew
3. 1,763 views
You have 250 g of water in an aluminium calorimeter with a mass of 125 g. Howlong will it take to increase the temperature of
1. 1 answer
2. asked by Anna
3. 2,120 views
Dr. Leona Williams, a well-known plastic surgeon, has a reputation for being one of the best surgeons for reconstructuve nose
1. 1 answer
2. asked by Anonymous
3. 587 views
A sprinter crosses the finish line of a race. The roar of the crowd in front approaches her at a speed of 357m/s . The roar from
1. 0 answers
2. asked by Anonymous
3. 1,128 views
a chemist puts 50g of chemical a in beaker 1 and 25 g of chemical b in beaker 2 she places bot beaker into a larger container.
1. 2 answers
2. asked by Anonymous
3. 509 views
Arrange these gases in order of decreasing standard molar entropy:Rank from largest to smallest. Kr,Cl2,SO3
1. 3 answers
2. asked by Pastor
3. 1,621 views
Consider the following description of a voltaic cell: A 1.0 M solution of Ni(NO3)2 is placed in a beaker with a strip of nickel
1. 3 answers
2. asked by Noah
3. 2,055 views
In relation to “A Shocking Accident,” what word best describes Jerome's attitude toward his father's memory?A. worshipful B.
1. 1 answer
2. asked by Emi
3. 895 views
I wont be receiving credit for these problems but i was just wondering how would i answer them...A) The area of a sector of a
1. 2 answers
2. asked by Michael
3. 676 views
determine which experiences a lower effective nuclear charge. using words and/ or drawings explain why.A) an electron in a 2s or
1. 0 answers
2. asked by alia
3. 576 views
I know how to carry out an absorption spectrum I just need help on how to to prepare my test tubes and what to put in then. I am
1. 1 answer
2. asked by Arooj
3. 664 views
I have a question on fluids.Water in a section 1.2m wide, 2m high. retained by sluice gate that can pivot about its base. There
1. 2 answers
2. asked by Danny
3. 609 views
Factorise completly18rc-3rd-6r+rd 2.Solve the pair of simultaneous equations.? 2y=3x-13 5x-2y=23
1. 1 answer
2. asked by charlene
3. 515 views
there are 5 whole numbers in a data set. the least number is 14 and the greatest number is 25. the mean and median are both
1. 1 answer
2. asked by I need help!!!!
3. 846 views
solve the simultaneous equation2y=3x-13 5x-6y=23
1. 5 answers
2. asked by charlene
3. 1,131 views
Which of the following is/are trueA. (2/a-b) (b-a/2)=-1 B.If x=-1/2 and y=-2 then -x^2-4x/y+y^2=2 3/4 C.√1-x /√x-1 is
1. 1 answer
2. asked by enhle
3. 305 views
A block of mass M1 = 15 kg is lying on a horizontal friction-less surface is connected to astring passing over a friction-less
1. 1 answer
2. asked by trei-sha
3. 591 views
1. A: Where can we hear this announcement?B: We can here it in an airplane. 2. A: Where can we hear this announcement? B: We can
1. 2 answers
2. asked by rfvv
3. 498 views
As a result of the Industrial Revolution, British and French financiers built up enormous reserves of capital. Seeking to earn
1. 2 answers
2. asked by Sarah
3. 555 views
Question 1which of the following is/are true? A.(2/a-b) (b-a/2) =-1. B.If x=-1/2 and y=-2 then -x^2 - 4x/y +y^2=2 3/4. C.√1-x
1. 1 answer
2. asked by enhle
3. 384 views
Given z(t) = square of t +1− t^3, find z(2).
1. 1 answer
2. asked by Pam
3. 337 views
Ann, Sam and you take a trip to the orbiting International Space Station, bringing along a hula hoop that is 1.02 m in diameter
1. 0 answers
2. asked by Spencer
3. 797 views
1. What kind of food can you make?2. What kinds of food can you make? ------------------- Do we have to use 'kind' or 'kinds'?
1. 2 answers
2. asked by rfvv
3. 432 views
In act 1 scene 2 of a christmas carol scrooge and marley, why does scrooge object to people enjoying christmas?
1. 93 answers
2. asked by Sarah
3. 13,545 views
Given f (t) = t^3 −3 , find f(a - 1).
1. 1 answer
2. asked by Mat
3. 376 views
In studying the emission of light, in order to determine the angle at which the intensity is a given value, the equation sin^2 A
1. 1 answer
2. asked by Geoff
3. 479 views
In a natural gas pipeline, the velocity v (in m/s) of the gas as a function of the distance x (in cm) from the wall of the pipe
1. 1 answer
2. asked by Linda
3. 491 views
Calculate the maximum height using the initial speed, half-time, and angle. The initial speeed is 18m/s, half time is 1.8, and
1. 1 answer
2. asked by Jennifer
3. 396 views
A penny has a 1 cm radius. What is its diameter? Its circumference? its area?
1. 1 answer
2. asked by Michele
3. 579 views
Calculate the maximum height using the initial speed, half-time, and angle. The initial speeed is 9.8m/s, half time is 1.8, and
1. 1 answer
2. asked by Jennifer
3. 402 views
what is -3(k-4)=51
1. 2 answers
2. asked by rachel
3. 254 views
. How many mL of acetic anhydride (D= 1.082 g/mL) would be needed as starting material to produce 45.0 g of aspirin
1. 1 answer
2. asked by nouma
3. 956 views
Which expression has the same value as 54  52  32  33
1. 2 answers
2. asked by debo
3. 519 views
What is the % of a solution containing 18.0g of NaCl in 65 ml of water18.0/65 * 100 = 27% Right? Wrong?
1. 2 answers
2. asked by sarah
3. 443 views
15.87 g of KBr is dissolved in 125.0ml of water. What is the % w/o15.87/125.0 * 100 = 13%
1. 1 answer
2. asked by sarah
3. 383 views
what are integers
1. 1 answer
2. asked by Anonymous
3. 341 views
do integers have = and - sign
1. 1 answer
2. asked by Anonymous
3. 269 views
do integers have + and - sign
1. 3 answers
2. asked by Anonymous
3. 266 views
What is the molarity of a solution 12.5 naoh dissolved in total volume of 625ml?NaOH = 12.5/molar mass of NaOH = 12.5/39.99 =
1. 5 answers
2. asked by sarah
3. 513 views
A statistics student had excluded three outlier values when constructing a histogram of a frequency distribution. His teacher
1. 6 answers
2. asked by heem
3. 4,730 views
How many grams of MgCl2 is needed to make 1200ml of a .25M solution?.25M/L* 1200mL/1* 1L/1000mL* 95.211:-/ mol I got 28.563g
1. 1 answer
2. asked by sarah
3. 628 views
Aqueous ammonia is commercially available at a concentration of 16.0 M.Part A How much of the concentrated solution would you
1. 1 answer
2. asked by d
3. 1,316 views
Reach each group of sentences. Two of the sentences are punctuated correctly. Choose the sentence that contains incorrect comma
1. 2 answers
2. asked by Cassie
3. 1,728 views
Choose the meaning of the BOLDED wordDuring the playoffs, the team faced a FORMIDABLE opponent. A.) oversized B.) declining C.)
1. 8 answers
2. asked by Cassie
3. 2,069 views
a solutioohol mixed with 125 cu.cm of water find the concentrationn contains 4.5 cu.cm of alc
1. 2 answers
2. asked by divy
3. 340 views
girl of mass 40kg having v 2m/s jumps on a stationary cart of mass 4 kg find the velocity of girl when the cart starts moving
1. 1 answer
2. asked by divya
3. 627 views
why are there not many clinical studies done on rare diseases such as Batten disease?
1. 2 answers
2. asked by sheri
3. 411 views
What is the funtion rule shown in the tablen 3,4,5,6 y 2,1,0,-1
1. 1 answer
2. asked by Jessica
3. 432 views
A flying bat emits squeaks at a frequency of 80 MHz, if a stationary observer picks up the frequency of the squeaks as 78 MHz,
1. 1 answer
2. asked by Bafana
3. 679 views
1/2x + 2/3x
1. 1 answer
2. asked by Bongiwe gamede
3. 243 views
How do you write a graph to represent the functionx=0,1,2,3 y= 1,4,7,10
1. 1 answer
2. asked by Jessica
3. 295 views
How much work is done when a bucket of mass 1.5kg with 10g of water in it is pulled up from the bottom of a well 8m deep? Take
1. 1 answer
2. asked by Sammmy
3. 476 views
Bill spent less than $23 on lunch for his co-workers. If burgers cost $5.25 each and sodas cost $2.25 each, which of the
1. 1 answer
2. asked by shawty
3. 705 views
If PV is $45,000 and the Average Rate of Inflation is 3% with 4 years until Retirement, what is the FV?
1. 0 answers
2. asked by Lewis
3. 377 views
An appellate court that hears an appeal on a money laundering case from a district court....(Points : 1)A) is not concerned with
1. 2 answers
2. asked by Anonymous
3. 455 views
Which sphere of the Earth system contains nearly all of Earth's mass?A. the geosphere B. the atmosphere C. the biosphere D. the
1. 6 answers
2. asked by Deazzy
3. 1,553 views
2+(2*+3/2)
1. 1 answer
2. asked by Bongiwe gamede
3. 215 views
how many grains are there in 1 and 1/2 tablets of 1/8 grains each? how do you figure this out!
1. 1 answer
2. asked by bryan h
3. 340 views
4. An appellate court that hears an appeal on a money laundering case from a district court (Points : 1)is not concerned with
1. 1 answer
2. asked by Jan
3. 558 views
sqrt 15y * 3 sqrt 81ySimplify the radical expression My answer is 27 sqrt 15y^2
1. 3 answers
2. asked by Steve
3. 3,946 views
(3/4*)-(*/7) x 3 1/2
1. 1 answer
2. asked by Bongiwe gamede
3. 233 views
Quinn lives in a house with a value of $235,000.She has a mortgage of $170,000. She owes $5,900 on her car, which is valued at
1. 6 answers
2. asked by YOLO
3. 2,878 views
Have I converted correctly from standard form to vertex form?y = -3x^2 + 12x+1 = y = -3(x-2)^2 -13 Thanks
1. 2 answers
2. asked by Lucina
3. 699 views
Choose the correct possessive form for each phrase.A. the potatoe's skins***** B. the potatoes' skins C. the potatoes's skins D.
1. 7 answers
2. asked by Cassie
3. 10,300 views
Journalize the transactions in a general journal using the periodic inventory method. If an amount box does not require an
1. 0 answers
2. asked by KaSkyler
3. 487 views
Calculate the volume of the figure.The figure is a box with measurements of base 3 cm...length 3 cm height 3 cm and then there
1. 1 answer
2. asked by Cassie
3. 561 views
The placement of rocks in a Japanese garden is an example of which artistic principle that communicates the cultural value of
1. 3 answers
2. asked by Brighton
3. 1,322 views
The distribution of weekly salaries at a large company is reverse J-shaped with a mean of $1000 and a standard deviation of
1. 2 answers
2. asked by Janet
3. 4,028 views
A variable is normally distributed with mean 68 and standard deviation 10. Find:a) The value that 85% of all possible values of
1. 0 answers
2. asked by Janet
3. 749 views

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