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March 9, 2011
Determine the resulting temperature when 150g of ice at 0°C is mixed with 300g of water at 50°C
11 answers
asked by
aj
9,001 views
Arrange the following aqueous solutions in order of increasing freezing points (lowest to highest temperature): 0.10 m glucose,
4 answers
asked by
Bianca
8,884 views
what is the mole ratio of C5H12-> C5H8 + 2H2?
2 answers
asked by
dee
4,372 views
An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an
2 answers
asked by
Anonymous
4,095 views
Two radioactive isotopes are extracted from spent nuclear fuel and placed in a metal container, which is then
sealed and
5 answers
asked by
Amanda.
3,571 views
consider the equation for the following reaction at equilibrium. X+Y<-->2Z+heat the concentration of the product could be
2 answers
asked by
Jazmin F.
3,455 views
Find the domain of the following function h(x,y) = sqrt(x-9y+5)?
1 answer
asked by
Z32
3,149 views
A one-liter container completely filled with mercury has a mass of 13.6 kg and weighs 133.3 N. What is the buoyant force on the
3 answers
asked by
Ariannah
2,902 views
Calculate the volume needed to dissolve 11.2g CuSO4 to prepare 0.140M?
6 answers
asked by
cris
2,607 views
A recent survey found that 63% of all adults over 50 wear glasses for driving. In a random sample of 80 adults over 50, what is
1 answer
asked by
Anonymous
2,581 views
How mny moles of Mg would you need to react with 2.5 moles of O2?
1 answer
asked by
dee
2,570 views
The area of largest isosceles triangle that can be drawn with one vertex at the origin and with others on a line parallel to and
1 answer
asked by
Sal
2,527 views
If x=yz, which of the following must be equal to xy?
a. yz b. yz^2 c. y^2z d. z^2\y
1 answer
asked by
Bill
2,466 views
A child and sled with a combined mass of 50.0 kg slide down a frictionless slope. If the sled starts from rest and has a speed
2 answers
asked by
Allie
2,423 views
An old car is traveling down a long, straight, dry road at 25.0 m/s when the driver slams on the brakes, locking the wheels. The
1 answer
asked by
Amanda
2,411 views
In a reversible reaction, chemical equilibrium is attained when ?
1. Rate of the forward reaction is greater than the rate of the
1 answer
asked by
Jazmin F.
2,373 views
What is the concentration of nitrate ions in a solution that contains M aluminum nitrate?
2 answers
asked by
Mm
2,336 views
An object moves along the x-axis with a velocity of v(t) = sin(pi/3)t for time t greater than or equal to 0. What is the total
1 answer
asked by
Sandy
2,272 views
If a catalyst is added to a system at equilibrium and the temperature and pressure remain constant
there will be no effect on
1 answer
asked by
Jazmin F.
2,238 views
what is the numerical value of the equilibrium constant Kgoal for the reaction CO2(g) C(s) +O2(g)? by making use of the
2 answers
asked by
gin - More info to initial question. Please help
2,237 views
The boiling point of phosphine, PH3(-88C) is lower than that of ammonia, NH3(-33C) even though phosphine has twice th molar mass
1 answer
asked by
MMPM
2,192 views
You are designing dinnerware. What is the length of a side of the smallest square plate on which a 20-cm chopstick can fit along
3 answers
asked by
Alice
2,180 views
2. When a 1.000 g sample of the rocket fuel hydrazine, N2H4, is burned in a bomb calorimeter which contains 1200g of water, the
1 answer
asked by
Johnny
2,162 views
1) A piece of paraffin wax has a density of 9g/cm3, mass of 900g, and a volume of 100cm3. If the wax was melted to the liquid
1 answer
asked by
Alisha
1,685 views
A daredevil on a motorcycle leaves the end of a ramp with a speed of 29.5 m/s as in the figure below. If his speed is 27.1 m/s
1 answer
asked by
Allie
1,642 views
When a solution is diluted with water, the ratio of the initial to final volumes of solution is equal to the ratio of final to
2 answers
asked by
KRisten
1,625 views
two balls of equal mass,moving with speeds of 5 meter/seconds,collide head on.find the velocity of each after impact if (a)they
2 answers
asked by
Jeff Rey
1,562 views
a weak acid has a pKa of 6.0. what is the ratio of conjugate acid to conjugate base at pH 5?
1 answer
asked by
kabelo
1,500 views
A 30 mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the pH after the following volumes of acid have
2 answers
asked by
Melissa
1,466 views
Determine whether the graph of each function is symmetric with respect to the origin.
F(X)=-12/x
1 answer
asked by
emily
1,447 views
IN 10 FREE THROWS, PAMELA MADE 3 SHOTS. WHAT IS THE EXPERIMENTAL PROBABILITY THAT PAMELA WILL MAKE HER NEXT FREE THROW?
2 answers
asked by
Jada
1,422 views
In the approximation that the Earth is a sphere of uniform density, it can be shown that the gravitational force it exerts on a
1 answer
asked by
Amelie
1,385 views
which description applies to a system in a sealed flask that is half full of water?
(sorry about that) A. only evaporation
1 answer
asked by
Jazmin F.
1,375 views
Can you please check these five sentences for me I find it difficult to correct.
1)1984 can be considered (as) an anti-utopian
2 answers
asked by
Mike
1,363 views
John Donne
HOLY SONNETS 10 Death, be not proud, though some have called thee Mighty and dreadful, for thou art not so ; For
0 answers
asked by
anthony
1,357 views
1) the ideal surface area of a rubber ball shipped from the factory is 50.25 square nches. the company inspector insists that
1 answer
asked by
anonymous
1,333 views
Which sentence below has an underlined action verb?
A. The poem "Easter Wings" is written in the form of wings. ("is" is
7 answers
asked by
anthony
1,311 views
Which of these characteristics is NOT found in the amphibians?
1 answer
asked by
Anonymous
1,304 views
I forgot to include these last two sentences.
1) Slaves worked either on sugar cane plantations (better of sugar cane) or in
1 answer
asked by
Mike
1,302 views
Differentiate.
y= (cos x)^x u= cos x du= -sin x dx ln y = ln(cos x)^x ln y = x ln(cos x) (dy/dx)/(y)= ln(cos x) (dy/dx)= y ln(cos
0 answers
asked by
Chelsea
1,296 views
There is an unknown amount of unlabelled monoprotic acid in an unknown amount of water titrated with a sample with a solution of
2 answers
asked by
Ben
1,293 views
I am supposed to find when there will be 40 berry bushes. I am given the function p(t)=(16t+50t^3)^1/3. P is the population of a
2 answers
asked by
Lauren
1,273 views
3. Suppose a ladder is 12 ft. long. The base of the ladder is 5 ft. from a wall, and the top of the ladder is leaning against
2 answers
asked by
joan
1,270 views
Which of the countries listed below receives the most rainfall?
A) Somalia B) Namibia C) Democratic Republic of Congo D) Central
3 answers
asked by
Kaitlin
1,257 views
How many grams do 5.2×10^20 atoms of silicon weigh?
Answer in units of g.
4 answers
asked by
Bob
1,220 views
A Gallup Poll asked, "In general, how often do you experience stress in your daily life - never, rarely, sometimes, or
0 answers
asked by
brian
1,206 views
A box is lifted with a pry bar, by slipping the bar under the box and lifting up on the bar. If the pry bar is 2m in length and
3 answers
asked by
DMITRIC
1,202 views
A 30 mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the pH after the following volumes of acid have
1 answer
asked by
Melissa
1,173 views
laura has a roll of ribbon there are 29 yards of ribbon on the roll what equation can laura use to find the number of inches of
2 answers
asked by
z
1,170 views
A plank of uniform construction 5 metres in length and of mass 25kg. is balanced on a sawhorse stand which acts as a fulcrum. a
0 answers
asked by
DMITRIC
1,169 views
On a dry road, a car with good tires may be able to brake with a constant deceleration of 4.17 m/s2. (a) How long does such a
1 answer
asked by
john
1,168 views
if gunnar gives me a cookie, i will have twice as many cookies. if i give gunnar a cookie, we will have the same number of
2 answers
asked by
jockalyn quswbey
1,150 views
How many grams of sodium chloride are needed to prepare 250 mL of a 2% solution?
3 answers
asked by
Mona
1,141 views
How many moles of ammonia gas can be produced from the reaction of 3.0L of N2 and 3.0L of H2 according to the following
1 answer
asked by
jerome
1,105 views
A segment 12" long is divided into two segments having lengths in the ratio of 2:3. Find the length of each segment. (Hint: Let
1 answer
asked by
terri
1,100 views
What is the acceleration (in meters/second^2) of a freely falling 74.0 kg sky-diver, if air resistance exerts a force of 264 N?
1 answer
asked by
nm
1,099 views
An inflated balloon occupies a volume of two (2) liters. The balloon is tied with a string and weighted down with a heavy stone.
3 answers
asked by
Ariannah
1,096 views
A segment is divided into two parts having lengths in the ratio of 5:3. If the difference between the length of the parts is 6,"
1 answer
asked by
terri
1,086 views
What is simple predicate?
These insects are strange and amazing creatures. Would it be are?
3 answers
asked by
Wesley
1,086 views
How do you do a resume? and could someone show me how to go about starting a resume?
1 answer
asked by
Betty
1,086 views
A ball moving with a speed of 26 m/s strikes an identical ball that is initially at rest. After the collision, the incoming ball
2 answers
asked by
martin
1,079 views
My aunt works at Woods Hole as a scientist.
What are the nouns in the sentence? Is is aunt, Woods hole and scientist?
3 answers
asked by
Wesley
1,055 views
I am a little confused about kinetic and potential energy regarding roller coasters. I understand that the first hill has to be
2 answers
asked by
Paul
1,054 views
How much heat is absorbed by an electric refrigerator in charging 2 Kg of water at 15°C to ice at 0°C?
1 answer
asked by
aj
1,031 views
Water flows over a section of Niagara Falls at a rate of 1.43 × 10^6 kg/s and falls 62.5 m. The acceleration of gravity is 9.8
1 answer
asked by
johana
1,028 views
Suppose a certain type of deciduous tree releases 7500 leaves on average each fall. If the average mass of
each leaf is 1.7 g and
2 answers
asked by
Olivia
1,023 views
A proton with a speed of 3.5 × 10
6 m/s is shot into a region between two plates that are separated by a distance of 0.23 m. As
1 answer
asked by
Anonymous
968 views
Suppose that the proportion of students who used the Internet as their major resource for school in the past was 66%. A sample
0 answers
asked by
Adam
964 views
A car is driven east for a distance of 44 km, then north for 25 km, and then in a direction 27° east of north for 28 km.
1 answer
asked by
keef lam
961 views
The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 153 yards with a 7-iron
1 answer
asked by
anonymous
958 views
Hello!
Which expression do you use the most in English? Don't take amiss to me or something similar? I am looking for a verb but
4 answers
asked by
Mark
951 views
Find the length of the altitude of an isosceles triangle if one side has a length of 20 ft and a base of 14 ft?
3 answers
asked by
Jay
947 views
How many atoms of carbon are present in
31.4 g of a compound that is 16.2% carbon, by weight? Answer in units of atoms.
1 answer
asked by
Jackson
943 views
The ratio of dimes to nickels in jan's change box is 2/3. jan has 75 cents in nickles. how many nickes does jan have? 15? would
1 answer
asked by
jill
928 views
i posted this before but no one answered. please help me:
A net force of 1.6×10−15 N acts on an electron over a displacement
1 answer
asked by
jamaisa
917 views
Your Porsche's gas mileage (in miles per gallon) is given as a function M(x) of speed x in miles per hour. It is found that
M'(x)
0 answers
asked by
Beth
912 views
How many degrees does the hour hand move in 4 hours?
10 answers
asked by
Kristiana
912 views
can anyone help with art/101 final
1 answer
asked by
Anonymous
912 views
The current through a light bulb connected across the terminals of a 120 V outlet is 0.25 A. At what rate does the bulb convert
0 answers
asked by
nkechi
902 views
Brookes quiz scores are as followed;
12/20, 12/18, 85%, 5/10 What is the order from least to greatest of the scores?
1 answer
asked by
marshal
901 views
Simple predicate?
The history of these pests may surprise you. Would it be may?
3 answers
asked by
Wesley
896 views
A projectile is launched at an angle of 60 degrees to the horizontal from 6.5 ft above the ground at an initial speed of
0 answers
asked by
Z32
891 views
uvw=xyz if so name the postulate that applies
3 answers
asked by
bob
888 views
A pickling solution is prepared by dissolving 278 g of NaCl in 4-1 L of water. Calculate the osmolarity of the solution
3 answers
asked by
bob
871 views
The medians of the legs of a right triangle are 3 square root 6 and 6. What is the length of the hypotenuse?
1 answer
asked by
Me too
870 views
1. He got into college last year.
2. He went into college last year. 3. He got to college last year. 4. He went to college last
4 answers
asked by
rfvv
865 views
A 0.110 kg baseball, traveling 32.0 m/s, strikes the catcher's mitt, which recoils 14.0 cm in bringing the ball to rest. What
0 answers
asked by
nm
864 views
I want to thank you for all the help, I just found this sight today. I think that you and the sight are realy COOL!!!!! thanks
1 answer
asked by
Annie
857 views
1. The interaction between a child's biological makeup and the environmental influences that affect his or her development and
4 answers
asked by
Rachel
853 views
when a kayak races downstreamm, its speed is clocked at 3 m/s. How far does the kayak travel in 35 s? in 1 hour?
1 answer
asked by
Sydney
842 views
I need to state the period and 2 consecutive asymptotes on the graph for the following questions.
1: y = -3 tan pi*x period: pi
1 answer
asked by
Michael
808 views
A mixture containing CH3OH, HF, CH3F, and H2O, all at an initial partial pressure of 1.04 atm, is allowed to achieve equilibrium
1 answer
asked by
Colin
799 views
How much work does gravity do on a 0.0150kg ball falling from a height of 10.0m
2 answers
asked by
Anonymous
798 views
A plank of uniform construction 5 metres in length and of mass 25kg. is balanced on a sawhorse stand which acts as a fulcrum. a
0 answers
asked by
JACKSON
797 views
Martin takes out a simple-interest loan at 7.5 %. After 6 months, the amount of interest on the loan is $69.64. What was the
1 answer
asked by
anonymous
794 views
If a triangle side lengths of 12 cm, 35 cm, and 37 cm, what type of angle is it?
1 answer
asked by
sandy
794 views
A book weighing 29 N is placed on a table. if the support force back on the book from the table is 29 N, what is the net force?
1 answer
asked by
Emily
782 views
scale drawing of a right triangle, base= 4ft, height= 2 ft, scale = 1/2 inches = 2ft, finf the area of the scale drawing.
2 answers
asked by
helen mimis
780 views
a pick machine affixes a
4 answers
asked by
amanda
780 views
I'm doing an alternate test on Sub-Saharan Africa, and Africa. I cant find all the answers in the book, and i can't find a good
2 answers
asked by
Kaitlin
777 views
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