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Questions Asked on October 6, 2010

Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no
1. 4 answers
2. asked by Jerry
3. 15,152 views
what do you call someone who cant turn pancakes?
1. 19 answers
2. asked by ben
3. 9,067 views
The coefficient of kinetic friction between a suitcase and the floor is 0.272. If the suitcase has a mass of 90.0 kg, how far
1. 1 answer
2. asked by Angela
3. 8,260 views
Betsy, a recent retiree, requires $6,000 per year in extra income. She has $60,000 to invest and can invest in B-rated bonds
1. 1 answer
2. asked by Lisa
3. 7,172 views
A tanker truck carrying 2.01×10^3kg of concentrated sulfuric acid solution tips over and spills its load. The sulfuic acid is
1. 5 answers
2. asked by Rachel
3. 5,941 views
An object is being acted upon by three forces and moves with a constant velocity. One force is 60N along the x-axis, the second
1. 2 answers
2. asked by Amanda
3. 5,099 views
A 20 g mixture containing 95% (by weight) of A and 5% of B is recrystallized in toluene (b.p. 110 C). Solubility for compound A
1. 5 answers
2. asked by Eric
3. 4,632 views
CO+H2O <--> CO2+H2kp=0.0611 atm @2000K A reaction mixture initially contains a CO partial pressure of 1334 torr and H2O partial
1. 4 answers
2. asked by Anonymous
3. 4,608 views
The bond enthalpy of F2(g) is 156.9 kJ/mol. Calculate ÄH°f for F(g).1 kJ/mol
1. 2 answers
2. asked by myles
3. 4,549 views
I found the following procedure to prepare starch indicator solution on a website:-To prepare starch indicator solution, add 1
1. 1 answer
2. asked by annie
3. 4,114 views
Two blocks of masses m1 and m2 approach each other on a horizontal table with the same constant speed, v0, as measured by a
1. 2 answers
2. asked by lizzy
3. 3,676 views
points a,b,c,and d lie on a straight line in the given order. AC = 25 cm and BD = 46 cm. The ratio of length CD to AB is 5/2.
1. 5 answers
2. asked by jani
3. 3,262 views
The question is "How might Juan Cabrillo's explorations affect later settlements in CA?"In the book there's only a little
1. 5 answers
2. asked by katherine
3. 2,982 views
my number is a multiple of 5, but doesnt end in 5, the prime factorization of my number is a string three numbers, two of the
1. 9 answers
2. asked by Anonymous
3. 2,705 views
A mixture contains only NaCl and Fe(NO3)3. A .456 gram sample of the mixture is dissolved in water and an excess of NaOH is
1. 2 answers
2. asked by kelly
3. 2,674 views
If the measures of two complementary angles are in the ratio 1:5, the measure of the larger angle is:A)75 B)144 C)150 D)72
1. 3 answers
2. asked by Troy
3. 2,626 views
Calculate the free energy of hydrolysis of ATP in a rat liver cell in which the ATP, ADP, AND Pi concentrations are 3.4, 1.3,
1. 2 answers
2. asked by nicole
3. 2,600 views
which greatest number when divided into 179 and 234 leaves a remainder of 3,? hint:subtract 3 from both no.
1. 3 answers
2. asked by aneika
3. 2,574 views
An athlete competing in long jump leaves the ground with a speed of 9.14 m/s at an angle of 35 degrees above the horizontal.
1. 2 answers
2. asked by Amanda
3. 2,431 views
part B.would you expect the emissions to vary if metal flourides were used rather than metal chlorides?
1. 2 answers
2. asked by JC
3. 2,231 views
When to use an identification type of test?Steps or guidelines in making an identification type of test. Thanks.
1. 2 answers
2. asked by klarmaesen
3. 2,170 views
could you use only the millions period to order 462,409,524, 463,409,524 and 463,562,391
1. 7 answers
2. asked by Amari
3. 2,082 views
Determine the mass in grams of 2.56*10^24 atoms in Li
1. 1 answer
2. asked by Aundrea
3. 1,790 views
If the 80o angle is in standard position, find two positive coterminal angles and two negative coterminal angles.
1. 1 answer
2. asked by tj
3. 1,701 views
how much heat is required to change 400g of ice at -20c into steam at 120c
1. 2 answers
2. asked by steve
3. 1,692 views
A boat is rowed directly upriver at a speed of 2.4 m/s relative to the water. Viewers on the shore see that the boat is moving
1. 1 answer
2. asked by Preston
3. 1,680 views
A merry-go-round is at rest before a child pushes it so that it rotates with a constant angular acceleration for 38.0 s. When
1. 1 answer
2. asked by Gracie
3. 1,671 views
Solutions of silver nitrate and sodium chromate are mixed. What is the net ionic equation?I got: 2Ag(aq) + CrO4-2(aq) ->
1. 1 answer
2. asked by Sara
3. 1,659 views
A horse with a force of 50 N pulls a cart of wood a distance of 10 m. Calculate the amount of work done.
1. 4 answers
2. asked by George perez
3. 1,640 views
Find the rate of change of the distance between the origin and a moving point on the graph y = x^2 + 8 if dx/dt = 8 centimeters
1. 1 answer
2. asked by ale
3. 1,622 views
1. All of the following embraced the “national view” of federalism excepta. John Marshall. b. Roger B. Taney. c. Franklin D.
1. 1 answer
2. asked by kenji
3. 1,594 views
a teen age boy wrote his own age after his father's from this new four place he subtracted the absolute value of the difference
1. 1 answer
2. asked by sushma
3. 1,546 views
A rifle with a weight of 35 N fires a 4.0 g bullet with a speed of 250 m/s.(a) Find the recoil speed of the rifle. ___m/s (b) If
1. 8 answers
2. asked by jake
3. 1,480 views
A student heats 4.00 g of a blue compound, which reacts completely to produce 2.56 g of a white compound and an unknown amount
1. 5 answers
2. asked by Wyeth
3. 1,438 views
A 20 g mass is attached to a 120 cm long string. The tension in the string is measured to be .200N. What is the angle.l\ l \ l \
1. 2 answers
2. asked by Amanda
3. 1,430 views
An airplane has a velocity of 400 km/h relative to the wind. At the same time, a wind blows northward with a speed of 75 km/h
1. 2 answers
2. asked by adz
3. 1,411 views
Except for a few pigeons, Central Park was deserted. Mist hung above the chilled grass. Patches of old snow, scattered here and
1. 4 answers
2. asked by leyla
3. 1,393 views
A 1L flask is filled with 1.25 g of argon at 25 degrees celcium. A sample of ethane vapor is added to the same flask until the
1. 1 answer
2. asked by Karen
3. 1,352 views
What are three thermodynamic quantities that are not state functions and three that are?
1. 2 answers
2. asked by nicki
3. 1,333 views
Use the correct form of the verb gustar and the appropriate indirect object pronoun to complete the following dialogue between a
1. 1 answer
2. asked by Christopher
3. 1,323 views
A child goes down a playground slide that is inclined at an angle of 24.5° below the horizontal. Find the acceleration of the
1. 0 answers
2. asked by Manny
3. 1,320 views
A small, m = 2.00 g plastic ball is suspended by a L = 25.0 cm long string in a uniform electric field, as shown in the figure
1. 1 answer
2. asked by Mike
3. 1,319 views
for english class i have to come up with my own proverb.So. i have this idea in my head but im not sure how to say it. The
1. 2 answers
2. asked by Anonymous
3. 1,302 views
Please check my answers!!!1. According to the Anti-Federalists, too strong of a national government meant a. eventual
1. 3 answers
2. asked by kenji
3. 1,302 views
How sediments,fossil, and ice core record Earth's geologic history? It record Earth's geologic history by giving scientist an
1. 0 answers
2. asked by Shadow
3. 1,301 views
I did a lab for Organic ChemistryWe did a simple distillation of an unknown alcohol to determine the boiling point, which was
1. 1 answer
2. asked by Laura
3. 1,286 views
A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height
1. 0 answers
2. asked by Bansnoob
3. 1,268 views
What is the correct net ionic equation for the following set of reactants?Ba(OH)2(aq)+H2SO4(aq)---->2H2O(l)+BaSO4 I keep getting
1. 1 answer
2. asked by Kaylee
3. 1,256 views
How did the weaknesses of Articles of Confederation affect the government in conducting the day-to-day business of a new
1. 1 answer
2. asked by Aashi
3. 1,254 views
An enzymatic hydrolysis of fructose was allowed to proceed to equilibrium at 25 degrees C. The original concentration of
1. 0 answers
2. asked by nichole
3. 1,237 views
A 2.8 kg mass hangs at one end of a rope that is attached to a support on a railroad car. When the car accelerates to the right,
1. 2 answers
2. asked by Frank
3. 1,233 views
I did a lab for Organic ChemistryWe did a simple distillation of an unknown alcohol to determine the boiling point, which was
1. 0 answers
2. asked by Laura
3. 1,224 views
A 120-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 400 N. For the first 17 m the
1. 4 answers
2. asked by Leila
3. 1,217 views
a model of a bridge is 1 meter long and is 2.5% of the actual size of the bridge. How long is the actual bridge?i tired to do 1
1. 4 answers
2. asked by courtney
3. 1,176 views
Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate.I know the equation is
1. 2 answers
2. asked by Kaylee
3. 1,172 views
If there were no air drag, how fast would drops fall from a cloud 2.4 kilometer above the Earth's surface?answer in m/s.
1. 2 answers
2. asked by confused
3. 1,171 views
Can you please help me with these problems, I followed the textbook but i am still not getting the write balanced equations.I am
1. 5 answers
2. asked by George K.
3. 1,171 views
The teacher said we had to include quotes from the story, so I included them and describes Katherine in every way I could. I
1. 2 answers
2. asked by Sara
3. 1,170 views
You are driving to the grocery store at 14.8 m/s. You are 140.0 m from an intersection when the traffic light turns red. Assume
1. 1 answer
2. asked by Emily
3. 1,110 views
An airplane flies due north at 250 km/h relative to the air. There is a wind blowing at 60 km/h to the northeast relative to the
1. 1 answer
2. asked by Preston
3. 1,108 views
Consider the following statement: “When a rifle is fired horizontally, the bullet leaves the barrel and doesn’t drop at all
1. 0 answers
2. asked by jon
3. 1,099 views
A 715 N man stands in the middle of a frozen pond of radius 10.0 m. He is unable to get to the other side because of a lack of
1. 1 answer
2. asked by jake
3. 1,093 views
explain how the wage can adjust to balance the supply and demand for labor while simultaneously equaling the value of the
1. 0 answers
2. asked by chris
3. 1,085 views
An 18-year-old runner can complete a 10.0-km course with an average speed of 4.48 m/s. A 50-year-old runner can cover the same
1. 7 answers
2. asked by Bala
3. 1,074 views
Po-218 is an alpha emitter with a half-life of 3.0 minutes. If a sample contains 69 mg of Po-218, how many alpha emissions would
1. 1 answer
2. asked by lisa
3. 1,069 views
can someone check these for me:18. All edges of a cube are expanding at a rate of 6 cm per second. How fast is the volume
1. 1 answer
2. asked by Anna
3. 1,054 views
A bag of sand dropped by a would-be assassin from the roof of a building just misses Tough Tony, a gangster 2-m tall. The
1. 1 answer
2. asked by Connie
3. 1,054 views
The weight of a product is normally distributed with a standard deviation of .8 ounces. What should the average weight be if the
1. 2 answers
2. asked by Beverley
3. 1,054 views
Let the radius of the circular segment be108 m, the mass of the car 1861 kg, and the coefficient of the static friction between
1. 2 answers
2. asked by mark
3. 1,043 views
A baseball player hits a baseball (m = 0.145 kg) The ball is initially traveling horizontally with speed of 36 m/s. The batter
1. 1 answer
2. asked by anna
3. 1,039 views
What are 12 numbers with these landmarks maximum 8 range 6 mode 6 median 5
1. 0 answers
2. asked by noneofyourbeeswax
3. 1,038 views
unscramble please to form sentences ne/passe/elles/ce/s'est/pas/qui/savent.Enfans/demande/moins de/il/aux/bruit/a/faire/de.
1. 1 answer
2. asked by rona
3. 1,037 views
A sprinter explodes out of the starting block with an acceleration of +2.79 m/s2 , which she sustains for 1.65 s. Then her
1. 0 answers
2. asked by Bala
3. 1,025 views
2. A car of mass 1540 kg traveling at 28 m/s is at the foot of a hill that rises 125 m in 3.6 km. At the top of the hill, the
1. 1 answer
2. asked by rizzo
3. 1,024 views
seawater contains approximately 3.5% NaCl by mass and has a density of 1.02g/mL. What volume of seawater contains 1.0 g of
1. 1 answer
2. asked by Anonymous
3. 1,022 views
A block is hung by a string from the inside roof of a van. When the van goes straight ahead at a speed of 26 m/s, the block
1. 1 answer
2. asked by ZAC
3. 1,022 views
What are the three parts of nutrition? what are nutrients? name the six classes of nutrients? if you eat a healthy diet, you are
1. 1 answer
2. asked by Anonymous
3. 1,019 views
A sample of solid KCl (potassium chloride) weighing 0.500 g is mixed with an unweighed sample of solid MgCl2 (magnesium
1. 4 answers
2. asked by benji
3. 994 views
how do you find the electronegativity of Ethanol (C2H5OH)?
1. 0 answers
2. asked by gabrielle
3. 994 views
A father pushes horizontally on his daughter's sled to move it up a snowy incline, as illustrated in the figure, with h = 3.4 m
1. 1 answer
2. asked by jibinn
3. 989 views
For this problem, ignore air resistance.You are to fire a rifle that shoots a particular bullet at 460 m/s at a target that is
1. 4 answers
2. asked by Steven
3. 988 views
BackgroundYou’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and
1. 8 answers
2. asked by Hyuna
3. 981 views
One kilogram of water vapor at 200 kPa fills one side of a partitioned chamber. The right side is twice the volume of the left
1. 1 answer
2. asked by sandhya
3. 966 views
One student is selected at random from a student body. Suppose the probability that this student is female is 0.5 and the
1. 2 answers
2. asked by nasta
3. 965 views
How many minutes before 12 noon is it, if one hour ago it was three times as many minutes after 8 am?Thank you
1. 1 answer
2. asked by DONNA
3. 963 views
I forgot to include these other sentences. I really hope you can have a look at them, too.1) The jungle had awakened his desires
1. 2 answers
2. asked by Franco
3. 952 views
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating
1. 1 answer
2. asked by Anonymous
3. 948 views
Mrs. Jones had some white paint and some green paint, and a bunch of wooden cubes. Her class decided to paint the cubes by
1. 4 answers
2. asked by Mia
3. 942 views
Name and discuss factors that describe teaching as a profession.
1. 1 answer
2. asked by Ebenhard
3. 924 views
How are the structures in genetics related?
1. 0 answers
2. asked by Jack
3. 921 views
A sample of solid KCl (potassium chloride) weighing 0.500 g is mixed with an unweighed sample of solid MgCl2 (magnesium
1. 1 answer
2. asked by Anonymous
3. 913 views
Please check my answers1) The American colonists based their right to revolt against Britain’s authority on the claim that a.
1. 2 answers
2. asked by kenji
3. 910 views
I did a lab for Organic ChemistryI did a simple distillation for an unknown and found that it boiled at 76 degrees. I also found
1. 0 answers
2. asked by Omar
3. 878 views
Write an equation of the line satisfying the given condition.a) x intercept = 3 y intercept=-2 I am really not sure how to start
1. 2 answers
2. asked by Hannah
3. 867 views
ok so your sister buys a pencil as .39 cents. And a notebook (1) for 1.19$. the total cost was 3.92$. how many pencils did she
1. 3 answers
2. asked by May
3. 866 views
You are driving to the grocery store at 18.2 m/s. You are 120.0 m from an intersection when the traffic light turns red. Assume
1. 2 answers
2. asked by Bala
3. 861 views
200 centimeters =_?_ meters? 300 centimeters = _?_ meters?
1. 1 answer
2. asked by Sean
3. 851 views
A sprinter explodes out of the starting block with an acceleration of +2.79 m/s2 , which she sustains for 1.65 s. Then her
1. 1 answer
2. asked by Bala
3. 843 views
How would I determine the electronegativity of Ethanol?
1. 1 answer
2. asked by Jennifer
3. 843 views
The leg and cast in the figure below weigh 210 N, with the center of mass as indicated by the blue arrow in the diagram. The
1. 1 answer
2. asked by Anonymous
3. 842 views

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