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Questions Asked on February 21, 2014

Complete the Bronsted lowry reactionsHPO42-+H+<--> HPO42-+OH-<-->
1. 6 answers
2. asked by Sharon
3. 16,896 views
Three people weigh on a standard mass of 2.00 g on the same balance. Each person obtains a reading of 7.32 for the mass of the
1. 7 answers
2. asked by Bryan
3. 10,297 views
Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wagon. The first child exerts
1. 1 answer
2. asked by Steve
3. 7,826 views
Simple question I may be over thinking30. Gift Baskets: The Gift Basket Sore had the following premade gift baskets containing
1. 2 answers
2. asked by Anonymous
3. 6,828 views
Drag-race tires in contact with an asphalt surface have a very high coefficient of static fric.tion. Assuming a constant
1. 2 answers
2. asked by ryan
3. 6,286 views
Selecting a letter of the alphabet: If 3 letters of the alphabet are selected at random, find the probability of getting at
1. 1 answer
2. asked by Anonymous
3. 6,185 views
Astronomers treat the number of stars in a given volume of space as a Poisson random variable. The density in the Milky Way
1. 2 answers
2. asked by Ashley
3. 5,856 views
Which inequality represent the following eight fewer than a number is at least sentence 20 answers are. X-8>20. 8-X>20, x+8<20.
1. 5 answers
2. asked by Molly
3. 5,556 views
1. Calculate the pH for each of the following cases in the titration of 25.0 mL of 0.240 M pyridine, C5H5N(aq) with 0.240 M
1. 1 answer
2. asked by Mia
3. 4,304 views
A stairway runs up the edge of thepyramid. From bottom to top the stairway is 92 m long. The stairway makes an angle of 70° to
1. 5 answers
2. asked by anon
3. 3,726 views
Bronsted reactionHCO3-+HF<--> acid?+base?
1. 1 answer
2. asked by Sharon
3. 3,710 views
From greatest to least, rank the accelerations of the boxes.C. <-5N--|3kg|--16N-> B. <-8N--|4kg|--16N-> A. <-4N--|5kg|--8N--> D.
1. 1 answer
2. asked by Amber
3. 3,669 views
a jar contains 26 fluid ounces of spaguetti sauce. How many cups of spaguetti sauce do 4 jars contain?
1. 10 answers
2. asked by angelica
3. 3,525 views
A player is randomly dealt a sequence of 13 cards from a standard 52-card deck. All sequences of 13 cards are equally likely. In
1. 3 answers
2. asked by Art
3. 3,485 views
AgNO3 + NaCl → AgCl + NaNO3 .How many grams of NaCl would be required to react with 446 mL of 0.211 M AgNO3 solution? Answer
1. 4 answers
2. asked by Zoey
3. 3,192 views
Solve the equation or formula for the indicated variable s=3r4t+or t answers are. t=s/3-r. t=r4-3s t=s/3r4. T=811/s
1. 2 answers
2. asked by Molly
3. 2,906 views
The equation y-100x=2000 can be used to represent monthly salary of a salary of a salesman ,y when he sells x computer system
1. 1 answer
2. asked by Molly
3. 2,479 views
When blood enters a vein from a venule, the blood pressureA) remains constant because of the heart's pumping action B) increases
1. 1 answer
2. asked by Courtney
3. 2,278 views
For questions 14-15, find the simplified form of each expression.(3/2b^4)^3 (3/5y^4)^-2
1. 5 answers
2. asked by Abby
3. 2,064 views
The distance between two telephone poles is 49 m. When a 1.6 kg bird lands on the telephone wire midway between the poles, the
1. 2 answers
2. asked by Anonymous
3. 2,038 views
Read the following passage to answer #1 and #2.April 15, Miss Kinnian says I'm learning fast. She read some of the Progress
1. 2 answers
2. asked by Abby
3. 1,826 views
Light travels at a speed of 3.00 times 10^10 cm/s. What is the speed of light in kilometers/hour?
1. 3 answers
2. asked by Kelsi
3. 1,777 views
Two automobiles, each of mass 800kg , are moving at the same speed, 18m/s , when they collide and stick together. At what speed
1. 1 answer
2. asked by Ty
3. 1,762 views
At a business meeting at panera bread company the bill for two cappuccinos and there house lattes was $14.55. At another table
1. 1 answer
2. asked by Anonymous
3. 1,759 views
A solution of NaOH (aq) contains 8.2 grams of NaOH(s) per 100.0 mL of solution. Calcualte Ph and POH at 25 degrees celsiuis
1. 1 answer
2. asked by Jason
3. 1,734 views
A single mass (m1 = 3.2 kg) hangs from a spring in a motionless elevator. The spring constant is k = 253 N/m.1) What is the
1. 1 answer
2. asked by Cam
3. 1,732 views
a farmer sprays insecticide on his crops and notices that the insect pest problems disappear. a year later he tries the same
1. 1 answer
2. asked by Skyler
3. 1,717 views
Which of the following is equal to (2x/5-9)+9. Answers are 2x/5, 5x/2, 2x/5-45, (2 x-9)+45
1. 1 answer
2. asked by Molly
3. 1,673 views
Sherlock Holmes examines a clue by holdinghis magnifying glass (with a focal length of 26.5 cm) 15.1 cm away from an object.
1. 1 answer
2. asked by Anna
3. 1,649 views
(a) The measured pH of a 0.200 M HBr solution at 25°C is 0.806. Calculate the activity coefficient for H .(b) The measured pH
1. 1 answer
2. asked by kdawg
3. 1,608 views
A -kg block is initially at rest on a frictionless horizontal surface. It is pulled with a constant horizontal force N. How long
1. 1 answer
2. asked by sean
3. 1,562 views
The measures of the sides of a triangle are shown as polynomials. The measures are: 2s^3 + 4; 5s; 4s^2 + 1. Write a polynomial
1. 2 answers
2. asked by Anonymous
3. 1,547 views
Which of the following must be true about the structures of axons and muscle cells in order for nerve impulses to stimulate
1. 1 answer
2. asked by Anonymous
3. 1,504 views
A ball of mass m strikes a wall that is perpendicular to its path at speed +v and rebounds in the opposite direction with a
1. 1 answer
2. asked by jesse k
3. 1,478 views
An atom of gold has a mass of 3.271 times 10^-22g. How many atoms of gold are in 5.00g of gold?
1. 1 answer
2. asked by Kelsi
3. 1,445 views
In a fetal pig, what are the 4 lobes of the brain and their functions?
1. 1 answer
2. asked by Alexandra
3. 1,398 views
A skateboarder shoots off a ramp with a velocity of 5.7 m/s, directed at an angle of 58° above the horizontal. The end of the
1. 1 answer
2. asked by Elle
3. 1,367 views
A rifle shoots a 4.1g bullet out of it's barrel. The bullet has a muzzle velocity of 975 m/s just as it leaves the barrel.Assumi
1. 1 answer
2. asked by D
3. 1,356 views
What is the percent yield of NaCl if 31.0 g of CuCl2 reacts with excess NaNO3 to produce 21.2 g of NaCl?
1. 2 answers
2. asked by miranda
3. 1,337 views
1. Which activity does Louisiana lieutenant governor perform on a day to day basis ?a) appointing committee chairs b) serving as
1. 4 answers
2. asked by victoria
3. 1,288 views
on monday carlos ran 1/8 of a mile. on wednesday he ran 5/6 of a mile. carlos ran 3/8 of a mile on friday. which day did calos
1. 3 answers
2. asked by Jim
3. 1,281 views
Can you please help me factor these expressions?Completely factor the following expressions. Please show work. 4x^2 - 8x - 12 +
1. 3 answers
2. asked by Kathy
3. 1,275 views
A colony of bacteria is growing in a petri dish which has a maximum capacity of 100mg. The mass of bacteria is increasing at a
1. 1 answer
2. asked by Sam
3. 1,274 views
In a 1.0 x10-6 M of HNO3 (aq) at 25 degrees celsius identify the relative molar amounts of theses speciesHNO3- H3O+ OH- NO3- H2O
1. 1 answer
2. asked by Joe
3. 1,268 views
I have tried to answer these im just not sure help plz.1. Which word best describes modern life for Japanese teenagers such as
1. 5 answers
2. asked by Jessica
3. 1,237 views
How much water would I need to add in order to dilute 200mL of a 5 M solution down to 2 M?
1. 1 answer
2. asked by Emma
3. 1,200 views
Which verb correctly completes the below sentence?The collection written by several of my favorite authors _____ research in the
1. 10 answers
2. asked by Destiny
3. 1,199 views
a 2.5 kg ball moving at 7.50 m/s is caught by a 70.0 kg man while the man is standing on ice. how fast will the man / ball
1. 0 answers
2. asked by Gaby
3. 1,191 views
Use factoring and the zero-product property to solve the following problems:z(z - 1)(z + 3) = 0 x^2 - x - 10 = 2 4a^ - 11a + 6 =
1. 2 answers
2. asked by Kathy
3. 1,173 views
Genie has 100 feet of fence with which to make a rectangular cage for her rabbit. If she uses the wall of her house as one side,
1. 1 answer
2. asked by Anonymous
3. 1,169 views
From 3:00 pm to 3:45 pm the minute hand of a clock turns how many degrees?
1. 2 answers
2. asked by Rosa
3. 1,152 views
The reaction of fluorine with ammonia produces dinitrogen tetra fluoride and hydrogen fluorida.5F2(g)+2NH(g)---> N2F4(g)+6HF(g)
1. 1 answer
2. asked by Lexa
3. 1,140 views
Which of the following must be true about the structures of axons and muscle cells in order for nerve impulses to stimulate
1. 0 answers
2. asked by Anonymous
3. 1,138 views
A volleyball is spiked so that it has an initial velocity of 15.6 m/s directed downward at an angle of 56.9 ° below the
1. 1 answer
2. asked by Elle
3. 1,127 views
The unit rate of 7/12 liters in 3/10 kilometers
1. 2 answers
2. asked by april
3. 1,119 views
34, 36, 43, 46, 47, 48, 48, 52, 53, 54Box And whisker Plot I Don't Understand these at all can someone Explain without totally
1. 2 answers
2. asked by julie
3. 1,072 views
For 2 SO2(g) + O2(g) equilibrium reaction arrow 2SO3(g), Kp = 3.0 104 at 700. K. In a 2.00-L vessel the equilibrium mixture
1. 2 answers
2. asked by Zeisha
3. 1,071 views
From greatest to least, rank the accelerations of the boxes.C. <-5N--|3kg|--16N-> B. <-8N--|4kg|--16N-> A. <-4N--|5kg|--8N--> D.
1. 2 answers
2. asked by Amber
3. 1,069 views
A ball of mass m strikes a wall that is perpendicular to its path at speed +v and rebounds in the opposite direction with a
1. 0 answers
2. asked by jesse k
3. 1,065 views
What conversion factor would you use to convert cubic decimeters to milliliters?
1. 1 answer
2. asked by Kelsi
3. 1,052 views
Hadley's softball team has a phone tree in case a game is cancelled.The coach calls 3 players. Then each of those players calls
1. 4 answers
2. asked by mon
3. 1,031 views
1. Simplify 49^3/2.My answer: 343? 2. Simplify 5^�ãx^25y^125. My answer: x^5y^25? 3. When the polynomial 5x - 2x + 8x^2 - 7 is
1. 2 answers
2. asked by Anonymous
3. 1,021 views
How do you find the [OH-] of a 1x10^-3 M solution of NH4Cl?
1. 1 answer
2. asked by Linda
3. 1,005 views
Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. The first dissociation step is: H3BO3 ⇌ H+ +
1. 1 answer
2. asked by Mello
3. 989 views
Calcualte PH and POh of an aqueous solution that is 0.050 M in HCL and 0.085 M in HBr at 25 degrees C
1. 1 answer
2. asked by Jason
3. 975 views
Solve the equation|2x+10|>26 answers are x<-36or x>16,, x>-18or x<8, x<-18or x>8,x<-8or x>8
1. 1 answer
2. asked by Molly
3. 971 views
A triangular traffic island has a base half as long as it's height. The island has an area of 144m^2. Find the base and the
1. 1 answer
2. asked by Pam
3. 960 views
the school bands sells carnations on Valentine's day for $2 each. They buy the carnations from a florist for $0.50 each , plus
1. 2 answers
2. asked by Trayanna
3. 959 views
How would you prepare a solution of about 8mg/100ml of ascorbic acid in water (25ml)?
1. 2 answers
2. asked by solution chemistry
3. 952 views
How many molecules of nitrogen are in 22.4 L of nitrogen at exactly 0 C and 3 atm?
1. 2 answers
2. asked by Angelique
3. 949 views
A candy cane 20 cm high has a circumference of 3 cm. The red “ribbon” makes exactly 4 complete turns round the candy cane
1. 1 answer
2. asked by gabriela
3. 948 views
A person stands on a bathroom scale on a motionless elevator. When the elevator begins to move, the scale briefly reads 200
1. 0 answers
2. asked by Ryan
3. 936 views
An electronic product contains 32 integrated circuits. The probability that any integrated circuit is defective is 0.02, and the
1. 1 answer
2. asked by Ashley
3. 928 views
a mixture of 10cm^3 of C5H12 and 0.084g of C12H24 was passed with an excess of oxygen. after cooling to room temperature, the
1. 2 answers
2. asked by Ellen Cameron
3. 927 views
What volume of 1.00 M NaOH would be required to neutralize 77.4 mL of 5.4 M HCl? Round to two places after the decimal point and
1. 1 answer
2. asked by Corso
3. 926 views
Rubidium metal, Rb, crystallizes in a body-centered cubic arrangement. What is the radius of one atom of Rb, if its density is
1. 1 answer
2. asked by hershi
3. 924 views
A basketball team recently scored a total of 95 points on a combination of 2-point field goals, 3-point field goals, and 1-point
1. 2 answers
2. asked by Stuck
3. 920 views
which of the following is an asymptote of f(x)= 5/x+6
1. 1 answer
2. asked by harley
3. 916 views
lucy has a collection of buttons 2/3 of her buttons are square and 2/8 of her buttons are round. does lucy have more square
1. 4 answers
2. asked by Jim
3. 910 views
What would be the density of Hydrogen gas at 500 C and 0.76 atm?
1. 2 answers
2. asked by Angelique
3. 910 views
A 475 gram box is given a push and it then slides up and back down a ramp with a 35.0° incline. The coefficient of friction is
1. 0 answers
2. asked by harry
3. 907 views
In a period of 3 h, a man walks 13 km north, turns around and walks 5 km south. Find his average velocity in km/h? Please pay
1. 2 answers
2. asked by w
3. 907 views
A 7 kg purse is dropped from the top of the Leaning Tower of Pisa and falls 53 m before reaching the ground with a speed of 17
1. 1 answer
2. asked by ryland
3. 904 views
Find the length of the side A’B’ for the congruent triangle.C = 28 degrees A = 14 Must show work with answer.
1. 1 answer
2. asked by Boo
3. 899 views
The Privileges and Immunities Clause of the Fourteenth Amendment means (Points : 1)citizens of the United States may travel
1. 2 answers
2. asked by lee lee
3. 895 views
Right triangle ABC has one leg of length 12 in and a hypotenuse of length 13 inch.A) Determine the length of the other leg B)
1. 1 answer
2. asked by Boo
3. 870 views
A force of 48 N is required to start a 7.8 kg box moving across a horizontal concrete floor.(a) What is the coefficient of
1. 1 answer
2. asked by shawn
3. 854 views
An engineer needs to know how far a long beam will sag under a load. The table shows some results:LOAD(N): 1000 2000 3200 4400
1. 1 answer
2. asked by Melaney
3. 830 views
There are 49 mice in a pet shop.30 mice are white. 27 mice are male. 18 mice have short tails. 8 mice are white and have short
1. 2 answers
2. asked by Anonymous
3. 820 views
A beam of light is incident on a plane mirror at an angle of 35¨¬. If the mirror rotates through a small angle ¥è through
1. 1 answer
2. asked by Steve
3. 819 views
The length of one leg of a right triangle is 8ft. The length of the hypothenuse is 2feet longer than the other leg. Find the
1. 1 answer
2. asked by Pam
3. 808 views
Riverside Oil Company in eastern Kentucky produces regular and supreme gasoline. Each barrel of regular sells for $21 and must
1. 0 answers
2. asked by Peter
3. 807 views
Assuming complete dissocaition, what is the pH of 4.93 mg/L BaOH2 solution
1. 2 answers
2. asked by Helena
3. 803 views
Three blocks on a frictionless horizontal surface are in contact with each other. A force F is applied to block A and the blocks
1. 1 answer
2. asked by sean
3. 798 views
McCulloch v Maryland is an important case because it was one of the cases whereby the Supreme Court (Points : 1)asserted the
1. 3 answers
2. asked by lisa
3. 793 views
Find the largest pair of consecutive even integers whose sum is less than 85.
1. 3 answers
2. asked by The doctor
3. 783 views
You are told that the linear "drag coefficient" due to air resistance for a particular object is 0.64 N · s/m and the object
1. 0 answers
2. asked by name
3. 776 views
Your friend is standing below the window outside of our classroom and attempting to throw a rock past the window to get your
1. 1 answer
2. asked by gabriela
3. 775 views
Choose the right form of the verb for the sentence below:At the end of the some passages ___________ trapdoors into the
1. 10 answers
2. asked by Sabrina
3. 772 views
At the instant a race began, a 89.1 kg sprinter exerted a force of 710 N on the starting block in the direction 110 degrees
1. 1 answer
2. asked by Rylan
3. 772 views

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