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Questions Asked on December 2, 2012

Classify each of the following as a redox reaction or a non-redox reaction.Zn+CuCl2 -> ZnCl2+Cu HCl+NaOH -> H2O+NaCl 2CO+O2 ->
1. 4 answers
2. asked by Anon
3. 12,430 views
How would the 2s and 3p orbitals differ from the 1s and 2p orbitals? Check all that apply.possible answers The and orbitals
1. 3 answers
2. asked by kdb
3. 9,463 views
A company offers the following schedule of charges: $30 per thousand for orders of 50,000 or less with the charge per thousand
1. 2 answers
2. asked by A company offers the following schedule of charges
3. 5,491 views
what is the simpliest form of the equation3 sqrt 750 + 3 sqrt 2058 - 3 sqrt 48 possible answers 14 3sqrt6 17.5 3sqrt6 33 3sqrt6
1. 14 answers
2. asked by lee
3. 5,490 views
Rank these ions according to ionic radius (lowest to highest)Mg^2+, N^3-, O^2-, Na^+, F^- can you explain how you got your
1. 2 answers
2. asked by dr. bob rocks
3. 5,105 views
A 1000 kg car is rolling down the street at 2.5 m/s. How fast would a 2500 kg car have to collide into it in order to bring it
1. 2 answers
2. asked by eileen
3. 4,792 views
Two coupled boxcars are rolling along at 4.0 when they collide with and couple to a third, stationary boxcar.1.) What is the
1. 1 answer
2. asked by Amy
3. 4,546 views
A baseball player uses a pitching machine tohelp him improve his batting average. He places the 43.4 kg machine on a frozen
1. 2 answers
2. asked by Emily
3. 4,446 views
suppose you want to build a rectangular sandbox where the width is 4 ft less than the length and the diagonal is 4 ft longer
1. 2 answers
2. asked by carlos
3. 4,436 views
a cylinder that is 20 cm tall is filled with water. If a hole is made in the side of the cylinder, 5cm below the top level, how
1. 1 answer
2. asked by zoe
3. 3,958 views
pls help.A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of
1. 1 answer
2. asked by Joycelyn
3. 3,755 views
For a particular reaction, ΔH° is 20.1 kJ/mol and ΔS° is 45.9 J/(mol·K). Assuming these values change very little with
1. 1 answer
2. asked by Anonymous
3. 3,630 views
______ is a major component of bones and the proteins that build muscles.
1. 11 answers
2. asked by Stephanie
3. 3,466 views
I am equivalent to 1/2 the sum of my numerator and denominator is 15. What fraction am I?
1. 10 answers
2. asked by Cameron
3. 3,434 views
A commuter train passes a passenger platform at a constant speed of 31 m/s. The train horn is sounded at its characteristic
1. 1 answer
2. asked by Anonymous
3. 3,353 views
barbara has 9 sttuffed animals. Trish has 3 times as many stuffed animals as barbara. how many stuffed aninmals does trish have
1. 12 answers
2. asked by kamily
3. 3,181 views
find all points having an x-coordinate of 2 whose distance of the point (-1-2)is 5.
1. 1 answer
2. asked by Kristina
3. 3,093 views
Based on the following information: A series of chemicals were added to some AgNO3(aq). NaCl(aq) was added first to the silver
1. 1 answer
2. asked by Spoa
3. 3,072 views
A 0.63-kg metal sphere oscillates at the end of a vertical spring. As the spring stretches from 0.13 to 0.22 m (relative to its
1. 1 answer
2. asked by Elizabeth
3. 2,754 views
A baseball diamond is actually a square with each side approximately 27.4 m. The pitcher's mound is 18.4 m from home plate on
1. 5 answers
2. asked by Sammy
3. 2,739 views
25.00 mL of a solution of oxalic acid are titrated with 0.2586 m NaOH (aq). The stoichiometric eend point is reached when 43.42
1. 2 answers
2. asked by ANONYMOUS
3. 2,497 views
The quantity of antimony in an ore can be determined by an oxidation-reduction titration with an oxidizing agent. The ore is
1. 1 answer
2. asked by Anon
3. 2,447 views
A wolf us chasing a rabbit.Graph the wolf's motion using the following data: 15 m\s at 0 s,10 m\s at 3 s,1 m\s at 4 s,and 0 m\s
1. 7 answers
2. asked by anna
3. 2,444 views
A person with perfect pitch sits on a bus bench listening to the 444 Hz horn of an approaching car. If the person detects a
1. 2 answers
2. asked by stoic-rider77
3. 2,407 views
The process of changing free nitrogen gas into a usable form of nitrogen is called?
1. 4 answers
2. asked by Angie
3. 2,305 views
A solid metal ball and a hollow plastic ballof the same external radius are released from rest in a large vacuum chamber. When
1. 3 answers
2. asked by Emily
3. 2,092 views
can you show me the calculation ;)The life expectancy of computer terminals is normally distributed with a mean of 4 years and
1. 2 answers
2. asked by mira
3. 2,047 views
How do I write a complete ionic equation and net ionic equation for: 2HCl(aq)+Ca(OH)2(aq) �¨ 2H2O(l)+CaCl2(aq) ?
1. 1 answer
2. asked by Tripp
3. 2,011 views
Refer to the Baseball data, which report information on the 30 Major League Baseball teams for the 2010 season. Let the number
1. 2 answers
2. asked by Shawn
3. 1,977 views
Johnny Rockabilly has just finished recording his latest CD. The company can produce the CD with no fixed cost and a variable
1. 2 answers
2. asked by Anonymous
3. 1,897 views
At 25°C the vapour pressure of pure pentane is 511 torr and that of hexane is 150. torr.What is the mole fraction of pentane in
1. 1 answer
2. asked by paul
3. 1,816 views
i need some help with qustions for this storyIdentities - W.D. Valgardson Normally, he goes clean-shaven into the world, but the
1. 1 answer
2. asked by Mohammad
3. 1,640 views
Can someone check my answers?What is the oxidation state of each element in K2Cr2O7? K +1 Cr +6 O -2 What is the oxidation state
1. 1 answer
2. asked by Anon
3. 1,624 views
Consider a hemispherical bowl of radius 10cm.(4 points) If the water level in the bowl is h cm deep, find the radius of the
1. 1 answer
2. asked by Karina
3. 1,623 views
On July 1, 2013, a firm purchased a 1-year insurance policy for $6,300 and paid the full premium in advance. The insurance
1. 3 answers
2. asked by Shawn Williams
3. 1,574 views
A surveyor wishes to find the height of a mountain. He selects points A and B on level ground along the same line of sight to
1. 5 answers
2. asked by Sammy
3. 1,573 views
can you show me the caculation :)Last year, 50% of MNM, Inc. employees were female. It is believed that there has been a
1. 0 answers
2. asked by mira
3. 1,567 views
what is the simpliest form of the quotient.4 sgrt 810 / 4 sgrt 2
1. 1 answer
2. asked by Anonymous
3. 1,549 views
A lighthouse beacon alerts ships to the danger of a rocky coastline.Part A According to the lighthouse keeper, with what speed
1. 1 answer
2. asked by Amy
3. 1,544 views
Ball A, moving with an initial speed of 3 m/s, has a head-on collision with another ball B at rest, which is twice as massive as
1. 1 answer
2. asked by jay
3. 1,511 views
Two astronauts, each having a mass of 78.5 kg, are connected by a 10.0-m rope of negligible mass. They are isolated in space,
1. 1 answer
2. asked by heather
3. 1,485 views
A force of 50 N directed at an angle of 45 degrees from the horizontal pulls a 70 kg sled across a frictionless pond. The
1. 1 answer
2. asked by Chad
3. 1,457 views
How do I balance this redox reaction?MnO4- + Fe2+ + H+ + Mn2+ + Fe3+ + H2O I don't understand. Don't I need a product?
1. 2 answers
2. asked by ANONYMOUS
3. 1,410 views
Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C
1. 6 answers
2. asked by Derek Smith
3. 1,371 views
On July 1, 2013, a firm purchased a 1-year insurance policy for $6,300 and paid the full premium in advance. The insurance
1. 0 answers
2. asked by Shawn Williams
3. 1,355 views
What is the rule for this function?Input 1 output 3 Input 2 output 5 Input 4 output 9 Input 5 output 11 Input 10 output 21 Input
1. 2 answers
2. asked by noah
3. 1,348 views
Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn
1. 0 answers
2. asked by James
3. 1,314 views
Consider a machine that fills soda bottles. The process has a mean of 15.9 ounces and a standard deviation of 0.06 ounces.The
1. 1 answer
2. asked by Paul
3. 1,310 views
The wattage of a commercial ice maker is 226 W and is the rate at which it does work. The ice maker operates just like a
1. 1 answer
2. asked by HELP
3. 1,308 views
Create a program that outputs a letter grade for a student based on the following table:From To Grade 90 100 A 80 89 B 70 79 C 0
1. 0 answers
2. asked by Derek Smith
3. 1,301 views
Find the focus, directrix, and focal diameter of the parabola.9x + 7y2 = 0 my answers were focus = -9/28,0 fd =9/7 directrix=
1. 1 answer
2. asked by amaa
3. 1,244 views
a soccer player kicks a ball into the air at an angle of 36.0 above the horizontal. the initial velocity of the ball is
1. 1 answer
2. asked by amy
3. 1,238 views
A potter's wheel having a radius 0.45 m and a moment of inertia of 14.9 kg · m2 is rotating freely at 49 rev/min. The potter
1. 1 answer
2. asked by heather
3. 1,238 views
What is the pH of a solution when 1ml of 0.10M NaOH is added to 100ml of buffer containing 0.1M acetic acid and 0.1M sodium
1. 1 answer
2. asked by hawi
3. 1,220 views
find the number of fifths in one and four fifths
1. 1 answer
2. asked by CHARLIE
3. 1,208 views
A particular metal ion octahedral complex has the same number of unpaired electrons (non-zero) whether the complex uses weak or
1. 0 answers
2. asked by Alisha
3. 1,202 views
A 70.5 football player is gliding across very smooth ice at 2.25 . He throws a 0.430 football straight forward.
1. 1 answer
2. asked by Mike
3. 1,191 views
10.0 grams of magnesium reacted with fluorine to produce MgF2Find balance equation: 2MgF2=2MgF 1)can someone explain to me how
1. 0 answers
2. asked by malina
3. 1,174 views
Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C
1. 0 answers
2. asked by Derek Smith
3. 1,173 views
What strategies do you use to convert a fraction to a decimal and a decimal into a fraction?
1. 1 answer
2. asked by moby
3. 1,163 views
Which number can be used as a counter example to, "Any number that is divisible by 3 is divisible by 9"?a)9, b)18, c)30, d)40
1. 1 answer
2. asked by Gianina PLEASE
3. 1,161 views
Question: A(n) 3.17 m long pendulum is released fromrest when the support string is at an angle of 38.6� degrees with the
1. 1 answer
2. asked by Shelly
3. 1,151 views
1. Find a mortgage loan calculator to determine what your monthly payments would be on a new house borrowing $200,000 for 15
1. 2 answers
2. asked by jones
3. 1,149 views
A baseball is thrown at an angle of 40.0 above the horizontal.The horizontal component of the baseball's initial velocity is
1. 1 answer
2. asked by IDK
3. 1,124 views
Below is the last stanza of a poem, "Dover Beach," written in 1876 by Matthew Arnold.Ah, love, let us be true To one another!
1. 3 answers
2. asked by Sandia
3. 1,115 views
What is the molarity of this dichromate solution?A potassium dichromate solution of an unknown molarity was used to titrate a
1. 1 answer
2. asked by ANONYMOUS
3. 1,102 views
You stand on the end of a diving board and bounce to set it into oscillation. You find a maximum response in terms of the
1. 2 answers
2. asked by lilly
3. 1,101 views
Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn
1. 0 answers
2. asked by Kelsey
3. 1,100 views
"Well the two of us can have fun together," I said. Baba smiled. Winked. "Dress warm," he said. It should have been just the two
1. 3 answers
2. asked by Erin
3. 1,098 views
A water faucet is located in one corner of Juan's garden. He wants a garden hose long enough to reach the farthest corner of the
1. 2 answers
2. asked by Alexius
3. 1,096 views
If theta is a rotation angle that terminates in quadrant ll and sin of theta is 5/13, find cos of theta and tan of theta. Use
1. 0 answers
2. asked by lore
3. 1,090 views
62.Refer to the Baseball 2009 data, which report information on the 30 Major League Baseball teams for the 2009 season.a. At the
1. 1 answer
2. asked by Dee
3. 1,062 views
can someone help on this debate I have? so the question is do you support the treaty of versailles? the teacher said that I'm
1. 1 answer
2. asked by Mario smith
3. 1,060 views
You are using Newton's method to solve x3-5x-2=0. If your first guess is x1=2, what value will you calculate for the next
1. 2 answers
2. asked by Alannah
3. 1,055 views
find the point on the graph of the function that is closest to the given point:f(x)=(x+1)^2 (5,3)
1. 1 answer
2. asked by jimmy
3. 1,051 views
In a chocolate chip cookie investigation, you decide to compare two cookie sources. Source 1: Mom mails to you a package
1. 0 answers
2. asked by Heather
3. 1,041 views
use the following data, as appropriate, to estimate the molarity of a saturated aqueous solution of Sr(IO3)2.Molarity of a
1. 0 answers
2. asked by Allyx3
3. 1,037 views
A man pulls a 50 kg box with an acceleration of 2m/s^2 across the floor. He applies a 200 N force at an angle of 30 degrees what
1. 0 answers
2. asked by Tori
3. 1,036 views
The ratio of the number of girls to the number of boys in a stamp club was 3 : 2 last year. When 15 boys joined the club this
1. 1 answer
2. asked by jane
3. 1,006 views
A set of bookshelves rests on a hard floor surface on four legs, each having a cross-sectional dimension of 2.7 5.2 cm in
1. 0 answers
2. asked by Courtney
3. 1,006 views
"It is better to lead from behind and to put others in front, especially when you celebrate victory when nice things occur. You
1. 1 answer
2. asked by Emma
3. 1,005 views
how many times did the minute hand of a clock rotate during March this year ? please explain how you work it out,thanks
1. 1 answer
2. asked by wan
3. 992 views
take the limit as x goes to infinity: (14x/(14x+3))^(4x)
1. 5 answers
2. asked by Help!!
3. 991 views
use the following data, as appropriate, to estimate the molarity of a saturated aqueous solution of Sr(IO3)2.Molarity of a
1. 0 answers
2. asked by Allyx3
3. 985 views
How do i Create a program that determine the shipping cost for an order based on the following table: From To Price $0.00
1. 0 answers
2. asked by Derek Smith
3. 978 views
1.A football player weighing 75 kg running at 2 m/s toward west tackles a 70 kg player running at 1.5 m/s in the opposite
1. 2 answers
2. asked by Anonymous
3. 978 views
Given: angle BAC is congruent to angle ACD, segment BD bisects segment AC, and segment AC bisects angle BCD.Prove: quadrilateral
1. 0 answers
2. asked by Victoria
3. 970 views
A 14.0-kg chair is at rest on a flat floor. The coefficient of static friction betweenthe chair and the floor is 0.450. A person
1. 1 answer
2. asked by mike
3. 970 views
(a) What is the shape of the radio waves from a satellite when they reach a dish antenna on the roof of a building? Explain. (b)
1. 0 answers
2. asked by Raju Singh
3. 945 views
1) Mg + F2 = MgF210.00 grams of magnesium reacted with fluorine to produce MgF2 Find : a) Balance the reaction b) How many grams
1. 1 answer
2. asked by Malina
3. 944 views
Input 1 2 4 5 10 12Output 3 5 9 11 21 25 Write the rule
1. 1 answer
2. asked by noah
3. 940 views
Are drawing a black and red card independent or mutually exclusive?Are drawing a black card and queen independent? Are drawing a
1. 2 answers
2. asked by Kelsey
3. 939 views
Three resistors are connected to a 20 V battery as shown. The internal resistance of the battery is negligible.(a) What is the
1. 0 answers
2. asked by luz
3. 935 views
1.what is the simplest form of the producysqrt 50x^7y^7 * sqrt 6 xy^4 2. What is the simplest form of the radical expression 4^3
1. 2 answers
2. asked by lee
3. 929 views
How do i Create a program that devtermine the shipping cost for an order based on the following chart:From To Price $0.00 $19.00
1. 0 answers
2. asked by Derek Smith
3. 925 views
What is the magnitude of the electric field 0.3 m from a 10-4 C point charge?
1. 0 answers
2. asked by Martha
3. 915 views
Find all solutions of the system of equations. (If there is no solution, enter NO SOLUTION.)4x^2− 27y^3 = 35 8x^2+54y^3= 74
1. 2 answers
2. asked by amaa
3. 901 views
Is the equation of the chemical reaction that occurs when you blow your breath through boiling water?CO2 + H2O -> H + HCO3
1. 1 answer
2. asked by T
3. 900 views
another word for nothing more than? For example, if you say that advice is nothing more than
1. 1 answer
2. asked by jake
3. 893 views
A man is descending in a parachute of total mass 125 kg with a constant velocity. What is the air resistance the parachutist
1. 1 answer
2. asked by Daryl
3. 891 views

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