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2011
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Questions Asked on March 29, 2011

Suppose that 0.650 mol of methane, CH4(g), is reacted with 0.800 mol of fluorine, F2(g), forming CF4(g) and HF(g) as sole
1. 4 answers
2. asked by Jenny
3. 6,808 views
When spiking a volleyball, a player changes the velocity of the ball from 4.5 m/s to -20 m/s along a certain direction.If the
1. 2 answers
2. asked by Jason
3. 5,548 views
what should you call a man with a clamp
1. 20 answers
2. asked by lala
3. 4,912 views
The hypotenuse of a 30-60-90 triangle is 10. Find the perimeter.How do i do that?
1. 3 answers
2. asked by Jesse
3. 4,256 views
A store sells televisions for $360 and video cassette recorders for $270. at the beginning of the week its entire stock is worth
1. 2 answers
2. asked by ash
3. 4,123 views
A satellite with an orbital period of exactly 24.0 h is always positioned over the same spot on Earth. This is known as a
1. 2 answers
2. asked by Becky
3. 3,622 views
An archer shoots an arrow toward a 300 g target that is sliding in her direction at a speed of 2.15 m/s on a smooth, slippery
1. 2 answers
2. asked by Alexandria
3. 2,950 views
A puck of mass 0.60 kg approaches a second, identical puck that is stationary on frictionless ice. The initial speed of the
1. 1 answer
2. asked by Kayla
3. 2,693 views
1. How much heat energy is needed to transform 125g of ice at 0 degrees Celsius to warm water at 80 degrees Celsius?
1. 1 answer
2. asked by John Goodroe
3. 2,678 views
how many oxygen atoms are in 0.25 mole of SO3 ?
1. 1 answer
2. asked by shellywo
3. 2,497 views
Need to label the verb wish A for action of L for Linking...1. The koala bears have climbed the tree. Answer=A 2. The peacock
1. 3 answers
2. asked by Ann
3. 2,477 views
given 90 ml of Hydrogen gas collected with the temperature is 27 degrees C. Whatvolume will the Hydrogen occupy at 42 C ?
1. 1 answer
2. asked by mary ann
3. 2,291 views
what numbers would you use to estimate the sum of 47 and 21?
1. 2 answers
2. asked by Alison
3. 2,286 views
The shorter leg of a 30-60-90 triangle is 5.4 feet long. Find the perimeter
1. 3 answers
2. asked by Ehrine
3. 2,213 views
According to conservation of momentum, when two objects collide, the momentum lost by one object equals the momentum gained by
1. 1 answer
2. asked by Tammy
3. 2,146 views
Guy wire. How long is a guy wire reaching from the top of a 21ft pole to a point on the ground 14 ft from the pole?Thank you.
1. 2 answers
2. asked by esther
3. 2,036 views
A cable 22 feet long runs from the top of a utility pole to a point on the ground 15 feet from the base of the pole. How tall is
1. 2 answers
2. asked by christina
3. 1,950 views
if i place C6H14 and KI in a test tube, then some metal salt (MNO3) is added...If the M+ reacts with and oxidizes the I, What
1. 2 answers
2. asked by emily
3. 1,929 views
Suppose a car tire has a diameter of 26 inches. How many rotations will thee tire make if the car travels 1 mile? Round to the
1. 1 answer
2. asked by emma
3. 1,916 views
the force that charge qA exerts on charge qB is ___ the force that charge qB exerts on charge qA.opposite and equal to opposite
1. 2 answers
2. asked by anonymous
3. 1,886 views
Can an electron at rest in a magnetic field be set into motion by the magnetic field? What if it were at rest in an electric
1. 1 answer
2. asked by Nikki
3. 1,786 views
A gas has a volume of 100 ml when the pressure is 735 mm. What volume will the gas occupy at 700 mm ?
1. 1 answer
2. asked by mary ann
3. 1,722 views
You are planning to use a ceramic tile design in your new bathroom. The tiles are blue and white equilateral triangles. You
1. 1 answer
2. asked by Ehrine
3. 1,657 views
I have to find the verbs in the preterite and the imperfect but I'm getting them marked wrong.1. Mi amiga Anita siempre tenía
1. 1 answer
2. asked by B
3. 1,576 views
a hot-air balloon is seen in the sky simultaneously by two observers standing a t two different points on the ground. (the 2
1. 2 answers
2. asked by lulu
3. 1,524 views
Potential of a cell is 0.1776 voltsPb|Pb2+(??M)||Pb2+(1.0M)|Pb I know i have to use Nernst's equation .. i just have no clue how
1. 2 answers
2. asked by joshua
3. 1,493 views
A car traveling at 98 kilometers an hour comes to a stop in 15 seconds. What is the car's acceleration in kilometers an hour per
1. 1 answer
2. asked by jon dash
3. 1,467 views
a 25.0 sample of nitrogen has a volume of 50.0L and a pressure of 630. mmHg. what is the temperature of the gas?
1. 1 answer
2. asked by Anonymous
3. 1,415 views
A 5.00x10^2-g block of metal absorbs 5016 J of heat when its temperature canges from 20.0 C to 30.0 C. Calculate the specific
1. 2 answers
2. asked by Alayna
3. 1,378 views
the perimeters of 2 similar polygons are 20 and 28. One side of the smaller polygons is 4. What is the congruent side of the
1. 3 answers
2. asked by suzie
3. 1,338 views
I need a poem about the battle of lexington and concord.
1. 4 answers
2. asked by karen
3. 1,327 views
Describe the evolution of integration movement in the Caribbean
1. 1 answer
2. asked by Simone
3. 1,253 views
determine the redox reaction represented by the following cell notation Mg Mg2 Cu2 Cu
1. 0 answers
2. asked by Natalie
3. 1,238 views
A 0.125-kg baseball is dropped from rest.If the magnitude of the baseball's momentum is 0.750 kg * m/s just before it lands on
1. 2 answers
2. asked by Jason
3. 1,226 views
Two sides of a triangle have equal length. The third side is seven inches shorter. How long are the three sides if the perimeter
1. 2 answers
2. asked by Anonymous
3. 1,222 views
A gymnast with mass m1 = 47 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 =
1. 0 answers
2. asked by Anonymous
3. 1,220 views
plz explain how to do this in detail:using only 39 cent and 24 cent stamps, charlie put $7.14 postage on a package he mailed to
1. 3 answers
2. asked by Robbie
3. 1,214 views
I need help with a worksheet that has a line going down with a y with positive numbers at the top and negative numbers at the
1. 0 answers
2. asked by Schwann
3. 1,210 views
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 9.00×10−3 {\rm m/s^2} less than
1. 1 answer
2. asked by Mitchell
3. 1,202 views
. Atlantis is a small, isolated island in the South Atlantic. The inhabitants grow potatoes and catch fresh fish. The
1. 1 answer
2. asked by Leigh
3. 1,195 views
An arithmetic sequence begins, 116, 109, 102Find the 300th term of this sequence.
1. 2 answers
2. asked by Francesca
3. 1,191 views
you add 0.05ml of 0.10M agno3 to 4ml of 2.0 nacl it forms saturated solution of agcl<---> ag+ + cl-using a saturated solution
1. 1 answer
2. asked by Jeanine
3. 1,186 views
While standing on a horizontal frictionless surface, a 50 kg student pushes against a wall with an average force of 125 N east
1. 0 answers
2. asked by Anonymous
3. 1,185 views
Assuming all volume measurements are made at the same temperature and pressure, how many liters of carbon dioxide gas can be
1. 2 answers
2. asked by Bob
3. 1,166 views
A gymnast with mass m1 = 47 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 =
1. 1 answer
2. asked by Anonymous
3. 1,165 views
Neer Department Store uses the retail inventory method to estimate its monthly ending inventories. The following information is
1. 1 answer
2. asked by Sara
3. 1,162 views
if .55 grams of a gas dissolves in 1 liter of water at 20 kPa of pressure, how much will dissolve at 110 Kpa of pressure?
1. 0 answers
2. asked by Anonymous
3. 1,155 views
Erik Johnson has just become a heir to $15 000. He is 23 years old, and he has graduated from a University business program. He
1. 4 answers
2. asked by Math Help
3. 1,154 views
The following data show the number ofChinese citizens who immigrated to the U.S. Use the data to predict how many Chinese
1. 0 answers
2. asked by nancy
3. 1,126 views
A tennis ball of mass 0.0609 kg is served. It strikes the ground with a velocity of 52.5 m/s (117 mi/h) at an angle of 22.0°
1. 1 answer
2. asked by penny
3. 1,120 views
Please check my answersWould you be more likely to get at least 70% tails if you flip a fair coin 10 times or if you flip a fair
1. 1 answer
2. asked by anonymous
3. 1,116 views
I added a few more sentences. I hope you can help me express them correctly. Thank you.1) Do you like soccer (Italian football)?
1. 1 answer
2. asked by Mike
3. 1,108 views
1. A small fly of mass 0.26 g is caught in a spider's web. The web vibrates predominately with a frequency of 4.2 Hz. Find the
1. 1 answer
2. asked by Anonymous
3. 1,097 views
Function f(x)= e^-x^2a) Inflection Values b) Intervals on which f(x) is concave downward c) Intervals on which f(x) is concave
1. 1 answer
2. asked by Anonymous
3. 1,091 views
Cada verano, las chicas _______ el sol.(There is a picture of two girls laying out at the beach tanning)
1. 2 answers
2. asked by Bee
3. 1,086 views
A ball is launched into the air from below a cliff. after t seconds its height above the cliff top is h metres, and is given by
1. 0 answers
2. asked by elizabeth
3. 1,084 views
A team has twelve 15-year-old players and eight 16-year-old players. The coach of the team is 43 years old. Which measure of
1. 1 answer
2. asked by Jammin
3. 1,079 views
Carl is using a defense mechanism known as displacement, which is the transfer of an emotion from its original focus to another
1. 2 answers
2. asked by Missy
3. 1,078 views
A submarine has run into trouble and is stuck at the bottom of the ocean. Several people are on board and must make their way to
1. 0 answers
2. asked by Sam
3. 1,061 views
what is 320/380 (or in fraction term) in lowest terms? and what is 54 over 126 in lowest terms?
1. 1 answer
2. asked by tiana
3. 1,059 views
The modern hearing aid is, essentially, a miniature public-address system, which converts sound into electrical energy and then
1. 1 answer
2. asked by Arlynn
3. 1,037 views
Nationwide, the amount charged by doctors for performing a particular minor surgical procedure averages $1220 and varies with a
1. 0 answers
2. asked by amanda
3. 1,029 views
Debate the claim that famines are caused more by human actions (or inactions) than by environmental forces. What scientific
1. 0 answers
2. asked by Anonymous
3. 1,027 views
well i have a couple of questions about the tragedy of macbeth that i have no clue how to answer so if you could lend me some
1. 4 answers
2. asked by carol
3. 1,022 views
I included other questions. Can you please help me improve them? Thanks a lot.1) Do you like staying with your host family? Do
1. 1 answer
2. asked by Mike
3. 1,022 views
two point masses are located in the same plane. the distance from mass 1 to the center of mass is 3.0m. The distance from mass 2
1. 1 answer
2. asked by Jacob
3. 1,014 views
A typical steel B-string in a guitar resonates at its fundamental frequency at 240 Hertz. The length of the string is 0.620 m.
1. 2 answers
2. asked by Student in Need
3. 1,010 views
1.44 liters of gas at 0.935 atm are compressed to 0.275 l. Find the new pressure in atm.
1. 1 answer
2. asked by mary ann
3. 994 views
Nationwide, the amount charged by doctors for performing a particular minor surgical procedure averages $1220 and varies with a
1. 0 answers
2. asked by amanda
3. 992 views
how are vancover and paris alike?They are both well know, good tourist attraction sites, have many things to explore. Filled
1. 5 answers
2. asked by Alice
3. 978 views
How are Vancouver and Paris different from one another?Ive got to name atleast 8 differences between them. 1. Paris has a
1. 1 answer
2. asked by Alice
3. 971 views
The drama club raised a total of $1,123.50 sellingtickets to its production of Othello. Tickets cost $4.50 for adults and $2.00
1. 3 answers
2. asked by Sally
3. 947 views
Dana buys a piece of carpet that measures 20 square yards. Will she be able to completely cover a rectangular floor that
1. 3 answers
2. asked by Tristan
3. 930 views
1. _______Tiene sólo nueve años. a. ¿es su prima? b. ¿tiene Ud. hambre? c. ¿cuántos años tiene? d. ¿cuántos años
1. 2 answers
2. asked by Lace
3. 918 views
Identify a movie or book, identify with examples from the movie or book three main sociological concepts (not theories) that we
1. 1 answer
2. asked by Anonymous
3. 915 views
How many different simple random sample of size 8 can be obtained from a population whose size os 42?
1. 0 answers
2. asked by Brooke
3. 888 views
A resher ranoumly selects and intreviews 10 male and 100 female college teacher. type of sampling technique?
1. 0 answers
2. asked by Mary
3. 887 views
Derive an expression for sin(alpha minus beta) and cos(alpha minus beta) with neccesary diagrams
1. 0 answers
2. asked by dammy
3. 884 views
Use Hess's law and the reactions1) CH 4(g)+ Cl 2 (g)--->CH 3 CL(g) + HCl (g) 2) CH 3 Cl (g) + Cl 2 (g)---> CH 2 Cl 2 (g) + HCl
1. 1 answer
2. asked by Jessica Jones
3. 865 views
In a typical golf swing, the club is in contact with the ball for about 0.0010s.If the 45-g ball acquires a speed of 41 m/s,
1. 1 answer
2. asked by Jason
3. 864 views
if a negatively charged rod is brought near a negatively charged electroscope,there will be no effect the leaves will fall the
1. 2 answers
2. asked by kriti
3. 864 views
explain briefly four factor led to enclousers in england
1. 1 answer
2. asked by yugi
3. 863 views
If 3.00 mol of calcium carbonate is heated to produce calcium oxide and carbon dioxide, how many grams of calcium oxide are
1. 1 answer
2. asked by John Goodroe
3. 837 views
The siren in an ambulance has a frequency (according to you) of 1100 hz as it moves towards you at a speed v. It then makes a
1. 1 answer
2. asked by J Velji
3. 835 views
A cylindrical bottle of oil-and-vinegar salad dressing whose volume is 1/3 vinegar (p=1.01 g/cm^3) and 2/3 oil (p=.910 g/cm^3)
1. 1 answer
2. asked by Jacob
3. 829 views
A copper bar is initially 20 cm long at 10 degrees C. It is then heated to a temperature of 40 degrees C. What will be its new
1. 2 answers
2. asked by Crystal
3. 818 views
identify the 3 domains of development, why it is important to consider each domain in the study of adult development, and an
1. 2 answers
2. asked by Anonymous
3. 815 views
You are a utilitarian social planner and have a very limited number of vaccines to a new and potentially deadly virus.How do you
1. 1 answer
2. asked by gdlola
3. 807 views
Im doing an essay and this is the format for it.Intro of 5 or more sentences, where you introduce your thesis statement (that
1. 3 answers
2. asked by Sara
3. 802 views
The following reaction can be used to determine the amount of calcium ion present in milk. Before the reaction below is carried
1. 1 answer
2. asked by John
3. 798 views
erin ate 1/4 of heer cookies for snack.she had 18 left in her bag. how many did she have in the bag before she had her snack?eri
1. 1 answer
2. asked by cindy
3. 795 views
What is the frequency of an EM wave emitted most strongly by aglowing element on a stove with temperature 1500 K?
1. 1 answer
2. asked by Frequency
3. 792 views
The orbit of Halley's Comet around the Sun is a long thin ellipse. At its aphelion (point farthest from the Sun), the comet is
1. 1 answer
2. asked by Meisha
3. 786 views
solve by Gauss eliminationx+y-z=2 -x+3y +z=3 4x-y+3z= 5 show work for each step please
1. 1 answer
2. asked by Chris William
3. 781 views
you wreck a car travveling at 88 m/sec and decelerate at -200/s2 how far will the car crumble in at you.
1. 1 answer
2. asked by rich
3. 776 views
determine the most probable velocity of the gas molecules, whose density is ρ = 0,35 kg / m³ at a pressure of ρ = 40 kPa.
1. 1 answer
2. asked by lisa
3. 769 views
Two angles with measures (5x+7) and (15x-7) are supplementary. What is the value of X?
1. 1 answer
2. asked by e.c
3. 765 views
The load across a 12 V battery consists ofa series combination of three resistors 21 ohm, 22 ohm, and 56 ohm. What is the total
1. 0 answers
2. asked by maria
3. 760 views
Find the speed at which Superman (mass=88.0 kg) must fly into a train (mass = 17998 kg) traveling at 60.0 km/hr to stop it.Runni
1. 0 answers
2. asked by Lily
3. 758 views
1. The motion of a body is described by the equation ay = −308y.(a) Find the angular frequency. (b) Find the frequency. (c)
1. 0 answers
2. asked by Anonymous
3. 750 views

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