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Questions Asked on May 8, 2014

What would the potential of a standard hydrogen (S.H.E.) electrode be if it was under the following conditions?[H+] = 0.38 P(H2)
1. 5 answers
2. asked by Molu
3. 14,615 views
A box contains 95 pink rubber bands and 90 brown rubber bands. You select a rubber band at random from the box. Find each
1. 101 answers
2. asked by Chloé
3. 13,356 views
3. What is the rule for the function shown in the table? (1 point)x = -1, 0, 1, 2 y = -2, 1, 4, 7 A.y = 1/3x + 1 B.y = 3x + 1
1. 35 answers
2. asked by TTR+S<3
3. 7,943 views
Complete and balance the following equation. Then write it as a net ionic equation. K3PO4(aq) + MgCl2(aq)Umm...help
1. 5 answers
2. asked by Angela
3. 7,114 views
Calculate delta E for a process in which 88.0 g of nitrous oxide gas (N2O) is cooled from 165 ˚C to 65 ˚C at a constant
1. 7 answers
2. asked by Ana
3. 5,919 views
How many grams of nitrogen are required to react with 2.79g of hydrogen to produce ammonia?A) 25.8 g B) 13.0 g C) 78.2 g D) 38.7
1. 1 answer
2. asked by Anonymous
3. 5,675 views
Triangle L'M'N' is a dilation of triangle LMN. If the scale factor of the dilation is 1/5, which of the following statements is
1. 3 answers
2. asked by Anonymous
3. 4,810 views
The distance require to stop a car varies directly as the square of its speed. If 250 feet are required to stop a car traveling
1. 2 answers
2. asked by Angela
3. 4,127 views
You can purchase hydrochloric acid in a concentrated form that is 37.0 hcl by mass and has a density of 1.20g/mL. Describe how
1. 2 answers
2. asked by Rebecca
3. 4,003 views
Evaluate!!!!integral -10 to 10 ((2e^x)/(sinhx+coshx))dx Thanks!
1. 2 answers
2. asked by TANYA
3. 2,625 views
two forces of magnitudes 7N and 9N act at an angle alpha such that sin alpha=0.4. Find the magnitudes of the two possible
1. 2 answers
2. asked by georgina
3. 2,609 views
Determine the volume of 0.250M KOH solution required to neutralize each of the following samples of sulfuric acid. 200mL of
1. 1 answer
2. asked by JR
3. 2,386 views
Physics2. Which of the following is equivalent to one ampere? (Points : 1) 10 s/10 C 10 C/10 m 1.5 C/1.5 s 15 C/10 s Question
1. 3 answers
2. asked by Steven
3. 2,357 views
Which of the following is true of the Antarctic Treaty System?A. It was established specifically to enforce ecological
1. 10 answers
2. asked by Mary
3. 2,308 views
There is an expression some people use that says, “What you put into it is what you get out of it.” People might use this
1. 15 answers
2. asked by Taylor
3. 2,234 views
A current of 3.40 A is passed through a Ni(NO3)2 solution for 1.80 hours. How much nickel is plated out of the solution?
1. 3 answers
2. asked by Mona
3. 2,214 views
Consider the line 9x - 7y =4What is the slope of a line parallel to this line? What is the slope of a line perpendicular to this
1. 1 answer
2. asked by joanna
3. 2,084 views
Hydrazine is used as a rocket fuel because its reaction with oxygen is extremely exothermic:N2H4(liquid) + O2(g)  N2(g) +
1. 2 answers
2. asked by Ana
3. 2,044 views
What is a theme in this story?a. Age is just a number. b. The joys of youth are fleeting. c. Diamonds are a girl’s best
1. 3 answers
2. asked by idk
3. 2,004 views
The jade restaurant has a large aquarium on display in its lobby the base of the aquarium is 5feet by 2 feet the height of the
1. 9 answers
2. asked by Pinks
3. 1,905 views
***PS: I can't put the diagram so I type it.***The diagram below shows the contents of a jar from which you select marbles at
1. 14 answers
2. asked by Chloé
3. 1,899 views
There are three times as many people in the psychology class as in the art history class. there are 16 more people in the
1. 2 answers
2. asked by Christopher
3. 1,888 views
I=nE/R+nr solve for R.
1. 1 answer
2. asked by Ruben
3. 1,846 views
You notice that a lawn looks unhealthy and that, perhaps, the grass is dying. Undertake a scientific project to save the lawn.
1. 3 answers
2. asked by Angela
3. 1,808 views
The length of a rectangular Garden is 40 yards longer then double the width The perimeter of the garden is 470 yards. find
1. 1 answer
2. asked by Christopher
3. 1,720 views
1. Which of the following types of joints allows the type of shoulder motionneeded by a baseball pitcher to pitch a fastball in
1. 6 answers
2. asked by Anonymous
3. 1,659 views
Rectangles ABCD and EFGH are similar figures because angles A, B, C, and D are congruent to angles E, F, G, and H, respectively.
1. 2 answers
2. asked by Anonymous
3. 1,650 views
I have no idea how to calculate z scoresWeights of the vegetables in a field are normally distributed. From a sample Carl
1. 1 answer
2. asked by Rhett cowley
3. 1,624 views
1. Find the 4th term in the binomial expansion.(2x + 3y)^62. Use synthetic division and the remainder theorem to find P(a).
1. 2 answers
2. asked by Larry
3. 1,521 views
A rock is thrown down with an initial speed of 30.0ft/s from a bridge to the water below. It takes 3.50s for the rock to hit the
1. 1 answer
2. asked by jason
3. 1,472 views
Sra. will you please check my answers? Thank you so much!1. Rewrite the following text in the imperfect indicative. Una vez al
1. 4 answers
2. asked by Anna
3. 1,445 views
Joan moves into her apartment and wants to purchase a new couch. She wants to determine if there is any difference between the
1. 1 answer
2. asked by Hani
3. 1,426 views
The middle two question please check my answers and tell me if I am correct or if there is something I am missing. The first and
1. 0 answers
2. asked by Brianna
3. 1,425 views
There are three times as many people in the psychology class as in the art history class. there are 16 more people in the
1. 1 answer
2. asked by Christopher
3. 1,376 views
A 70 kg man holding a 0. 857 kg ball stands on a frozen pond next to a wall. He throws the ball at the wall with a speed of 11 .
1. 0 answers
2. asked by nic
3. 1,348 views
Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Cr2 ] = 0.859 M and [Ni2 ] = 0.0190
1. 2 answers
2. asked by Ladoo
3. 1,272 views
Triangle ABC is an isosceles triangle with angle A= 40 degrees. Give three possible values for angle B
1. 2 answers
2. asked by Mackenzie
3. 1,228 views
Mrs. Reed is decorating wreaths. She needs 24 in. of gold ribbon and 45 in. of white ribbon to tie around each wreath. The white
1. 4 answers
2. asked by Loeve
3. 1,223 views
A gardener is mowing a 20 by 40 yard rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the
1. 2 answers
2. asked by Anonymous
3. 1,145 views
1.) The chief designer for a large automobile company is considering 4 different radiator grills, 2 different style of
1. 2 answers
2. asked by Drew
3. 1,125 views
A current of 3.40 A is passed through a Ni(NO3)2 solution for 1.80 hours. How much nickel is plated out of the solution?
1. 3 answers
2. asked by Janavi
3. 1,114 views
2. Studying the plot elements in "A Pair of Silk Stockings," you might reasonably conclude that the essence of her storyA. is
1. 2 answers
2. asked by ezra
3. 1,098 views
Consider the elements neon, bromine, and phosphorus. Which has five electrons in its 4p sublevel?I got phosphorus wrong as my
1. 4 answers
2. asked by Angela
3. 1,098 views
How much heat in kilojoules must be removed from a glass of water that contains 100g of water to lower its temperature from 30 C
1. 1 answer
2. asked by KG
3. 1,095 views
Calculate the standard free-energy change for the following reaction at 25 °C. Standard reduction potentials can be found here.
1. 3 answers
2. asked by Janu
3. 1,088 views
Which of the following was likely motivation for why colonists were even sent to Australia in the first place?A. to have people
1. 5 answers
2. asked by Anonymous
3. 1,081 views
If 50 ft lbs of work is done on the same spring (in part a) in order to compress it, by how much is the spring shortened?*Inform
1. 0 answers
2. asked by Adam -Please check if I'm Correct
3. 1,019 views
A cylinder contains 40 g of HE, 56 g of N2, and 40 g of Ar.How many moles of each gas are in the mixture?
1. 1 answer
2. asked by mary
3. 1,009 views
An investment earning simple interest at a rate of 1.10% per annum for a term of 5 years earned $82.50 in interest. What was the
1. 1 answer
2. asked by Rafiki
3. 1,006 views
Starting from rest, a horse pull a 250-kg cart for a distance of 1,5km. it reaches a speed of 0,38m/s by the time it has walked
1. 1 answer
2. asked by Marina
3. 999 views
Circle the angle(s) that could never be the smallest angle of a triangle.8 degrees 47 degrees 88 degrees 91 degrees
1. 2 answers
2. asked by Mackenzie
3. 954 views
The numerator of a simple fraction is 2 less than its denominator. The sum of this fraction and its reciprocal is 2 4/35. Find
1. 1 answer
2. asked by Jenn
3. 952 views
Calculate the final value after 10 years if you invest $5000.00 at 2.5% per annum, compounded annually.
1. 3 answers
2. asked by Rafiki
3. 951 views
Kevin has a salt water aquarium.AsShown below in the shape of a rectangular prism. ( base 36 in, width 18in,height 20 in) . When
1. 1 answer
2. asked by Eva
3. 940 views
Assume you poured 5.00 g of KOH in 250 mL of pure water. What is the molarity of the solution you made?
1. 1 answer
2. asked by Bea
3. 938 views
So I am trying to understand in molecular terms the solubility of NaCl in water.So there are intramolecular forces that are
1. 5 answers
2. asked by Serena
3. 929 views
Define " force ". State the correct units for measuring force.
1. 1 answer
2. asked by Alana
3. 926 views
What is the final temperature when 54g ice at 0oC is mixed with 200g water at 65oC
1. 1 answer
2. asked by treasa
3. 905 views
Your uncle has 36 coins in nickels and quarters. The value of his nickels is 1/15 of the value of his quarters. Find the number
1. 1 answer
2. asked by Anonymous
3. 903 views
In the least squares equation, Ŷ = 10 + 20X the value of 20 indicates ____________.The Y-intercept increases by 20 units for
1. 1 answer
2. asked by Student5
3. 900 views
A 3.0 kg block is moved up a 37 degree incline under a constant horizontal force of 40.0 N. The coefficient of friction is 0.10
1. 2 answers
2. asked by Andrew
3. 880 views
36. A clock gains 20 minutes each day. if the correct time is indicated now , in how many days will it again show the first
1. 1 answer
2. asked by Johnny
3. 875 views
Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Cr2 ] = 0.859 M and [Ni2 ] = 0.0190
1. 1 answer
2. asked by Molu
3. 871 views
A man owns a rectangular piece of land. The land is divided into four rectangular pieces, known as Region A, Region B, Region C,
1. 1 answer
2. asked by Josh
3. 870 views
Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Cr2 ] = 0.859 M and [Ni2 ] = 0.0190
1. 1 answer
2. asked by Didi
3. 868 views
The voltage generated by the zinc concentration cell described by,Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 11.0 mV at 25
1. 1 answer
2. asked by Mona
3. 864 views
The shadow of a 5-foot tall post is 10 feet long. At the same time a tree casts a shadow that is 24 feet long. What is the
1. 1 answer
2. asked by Anonymous
3. 855 views
the overall effect of the five amendments was to extend the vote to
1. 2 answers
2. asked by lee
3. 842 views
Myrtle throws a ball upward from a second-floor balcony, 6 m above the ground with an initial velocity of 2 m/s. In this
1. 1 answer
2. asked by Kitty
3. 842 views
The distance s in feet that a body falls in t seconds is given by the formula s=16t^2. If a body has been falling for 5 seconds,
1. 1 answer
2. asked by Johnny
3. 837 views
A box contains 95 pink rubber bands and 90 brown rubber bands. You select a rubber band at random from the box. Find each
1. 2 answers
2. asked by Chloé
3. 835 views
A satellite dish in storage has parabolic cross sections and is resting on its vertex. A point on the rim is 4 ft high and is 6
1. 1 answer
2. asked by Dinh
3. 801 views
A cannonball is hot straight up from the edge of a cliff with an initial velocity of 30m/s. A second cannonball is shot straight
1. 1 answer
2. asked by Sandy
3. 787 views
1 L of N_2_ gas, having a pressure of 2.5 atm, is added 1 L of Ar gas, having a pressure of 3.7 atm, in a sealed, rigid flask.
1. 2 answers
2. asked by Devin
3. 776 views
Write the formulas for silicon dioxide.Note: it says formulas SiO2 i guess is a formula but idk how to write formulas for it.
1. 1 answer
2. asked by Angela
3. 774 views
One hundred tickets are sold for a raffle. Three prizes are awarded.What is the probability that Andy wins first prize, Brianna
1. 2 answers
2. asked by Leah
3. 770 views
The length of a rectangular piece of steel in a bridge is 3 meters less then double the width. The perimeter of the piece of
1. 2 answers
2. asked by Christopher
3. 767 views
Ti'a rectangular gaden has perimeter of 20 meters. She wants its area to be at least 24 square metesr. Find the interval for the
1. 3 answers
2. asked by James
3. 759 views
o is the center of the regular pentagon ABCDE. How many degrees are there in OAB?Please explain or show work A.36 B.54 C.72
1. 3 answers
2. asked by Johnny
3. 755 views
The length of a rectangular Garden is 40 yards longer then double the width The perimeter of the garden is 470 yards. find
1. 2 answers
2. asked by Christopher
3. 754 views
Lauren used 1 quart of milk to make ice cream. What is the closest to this amount of milk? Answers are either. 100 liters, 100
1. 2 answers
2. asked by Jenny 2
3. 750 views
Hello! I need help with these four math problems. Thanks so much! :)1.) ƒ(x) = (x^4)/4 − 3x^3 + (23x^2)/2 - 15x. Find the x
1. 1 answer
2. asked by Fiona
3. 749 views
An actor invests some money at 7%, and $44000 more than three times the amount at 10%. The total annual interest earned from the
1. 1 answer
2. asked by angel
3. 746 views
a comparison of the average temperatures on any given day at points Z, X, and U on the globe would probably show that the
1. 1 answer
2. asked by lee
3. 742 views
CONTACT THE EXPRESSIONS.THAT IS USE THE PROPERTIES OF LOGARITHM TO WRITE EACH EXPRESSION AS A SINGLE LOGARITHM WITH A
1. 2 answers
2. asked by Mary Ann
3. 735 views
lisa spend 3 hours driving to and from work each work day. what percent of her day does she spend driving to and from work each
1. 6 answers
2. asked by andra
3. 735 views
a 2.00 L ballon at 25 degrees celcius and 745mmHg floats on an altitude where the temperature is 10 degrees celcius and the air
1. 3 answers
2. asked by lola
3. 732 views
the fabric mart had cost of goods sold at $844,000 for the year.the beginning inventory at cost was $305,500, and the ending
1. 0 answers
2. asked by teresa
3. 729 views
A current of 3.40 A is passed through a Ni(NO3)2 solution for 1.80 hours. How much nickel is plated out of the solution?
1. 1 answer
2. asked by Rizwan
3. 729 views
based on the results of the studies, what should an elementary school teacher do to ensure that a child with an unusual name
1. 1 answer
2. asked by lee
3. 728 views
A daredevil performs a stunt in which he jumps with his motorcycle from a horizontal cliff 10m high. What must the initial
1. 3 answers
2. asked by Tim
3. 728 views
which of the following statements is the best supported by the new studies
1. 1 answer
2. asked by lee
3. 725 views
W=√1/LC, for L, electricity formula.
1. 1 answer
2. asked by Boo
3. 722 views
The trapezoid above has a base of 38 m and a height of 12 m.Which set of dimensions would produce a similar figure? A. base =
1. 1 answer
2. asked by Anonymous
3. 721 views
A student claims the average amount of time spent studying for an exam is less than or equal to 120 minutes. A random sample of
1. 1 answer
2. asked by Matt
3. 720 views
Nitrogen gas has values of Cv and Cp of 20.8 and 29.1 J K-1 mol-1, respectively. When a certain amount of nitrogen is heated at
1. 1 answer
2. asked by Ana
3. 718 views
Calculate molarity of HNO3 please help?Calculate molarity of HNO3 prepared by dissolving 22.3 grams of HNO3 in water to make 875
1. 2 answers
2. asked by Alex
3. 716 views
Jennifer, who has a mass of 50.0 kg, is riding at 35.0 m/s in her red sports car when she must suddenly slam on the brakes to
1. 1 answer
2. asked by valerie
3. 714 views
A hammer is being used to pull a nail out of a horizontal board. L = 32 cm and d = 5.2 cm. If a force of 158 N is exerted
1. 0 answers
2. asked by sydwell
3. 714 views
HELP....last question SOS HELPConsider the statement lim X-->1 X©ø-6X©÷+11X-6 / x-1 = 2 USING THE DEFINITIONS OF THE LIMIT
1. 0 answers
2. asked by Ellen D
3. 712 views

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