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Questions Asked on January 31, 2012

A 141-mg sample was placed on a watch glass that weighed 9.203 g. What is the weight of the watch glass and sample in grams?
1. 2 answers
2. asked by eric
3. 9,514 views
start with $3,500 in cash and in owner's equity.You sell product purchased for $750 for $1,525.00 You purchase equipment for
1. 5 answers
2. asked by Yelena
3. 6,092 views
CCl3F boils at 23.8 degrees Celcius, and its molar heat of vaporization is 24.8 kJ/mol. Calculate the molar entropy of
1. 2 answers
2. asked by Kay
3. 5,294 views
The sum of the first 10th term of an a.p is 255,the sum of the first 20 term is 1010.find the next 2020 term of the progression
1. 6 answers
2. asked by Daniel
3. 4,043 views
Four boxes of various masses are placed on a frictionfree table. Rank these boxes according to net force by listing them in
1. 5 answers
2. asked by Jill
3. 3,696 views
Milk is flowing through a heat exchanger at a rate of 2000kg/h. he heat exchanger supplies 111,600kJ/h. The outlet temperature
1. 4 answers
2. asked by Janice
3. 3,690 views
A criminal is escaping across a rooftop and runs off the roof horizontally at a speed of 5.1 m/s, hoping to land on the roof of
1. 1 answer
2. asked by chelsea
3. 3,675 views
A cube with edges inch long is shown below. What is the length, in inches, of a diagonal that runs from one corner of the cube
1. 2 answers
2. asked by shirley
3. 3,253 views
A piper delivers 10.04, 10.02, 10.08, and 10.06 mL in consecutive trails. Find the mean volume and the average deviation from
1. 2 answers
2. asked by Lisa
3. 2,730 views
An inherited trait that helps an organism survive and reproduce is calledA. an adaption B. a species C. an evironment D. a niche
1. 5 answers
2. asked by Brayden
3. 2,143 views
How many grams of NaCl should be added to 1 L of water to make an isotonic solution? (molecular weight of NaCl= 58.5)Can someone
1. 1 answer
2. asked by Jon
3. 2,127 views
While in empty space, an astronaut throws a ball at a velocity of 15 m/s. What will the velocity of the ball be after it has
1. 9 answers
2. asked by Anonymous
3. 2,123 views
When you multiply a whole number by 10, what is always true about the ones place in the product?Answer: It is always zero.. is
1. 3 answers
2. asked by Khrys
3. 2,104 views
What is the angle (in standard position - i.e. measured counterclockwise from the positive x-axis) formed by a line from the
1. 2 answers
2. asked by Anonymous
3. 1,831 views
Three ants are sitting on the vertices of equilateral triangle of side a. At t=0 and ant 1 starts approaching ant 2 with a speed
1. 1 answer
2. asked by priyasharma
3. 1,649 views
How long does it take light traveling from the sun at 3.0 x 10^8 m/s to reach Jupiter, which is 780 x 10^6 km away?
1. 2 answers
2. asked by Elizabeth
3. 1,617 views
Which of the following statements about the image show below is not an observation? (The object is a the bug) a. The insect has
1. 1 answer
2. asked by glenn help help help
3. 1,588 views
Consider a copper lattice with an excessive average of one vacancy in every 100 unit cells. What will be its density? Compare
1. 1 answer
2. asked by Bob
3. 1,460 views
Can a vector have a component equal to zero and still have a nonzero magnitude? Explain.
1. 2 answers
2. asked by qwertzuiop
3. 1,455 views
You are wrapping a gift box that is 15 inches long, 12 inches wide, and 4 inches deep. Use a net to find the length and width of
1. 3 answers
2. asked by Cheyenne Smith
3. 1,372 views
Suppose you cut a small gap in a metal ring(Figure A). If you heat the ring, will the gap become wider o r narrower
1. 1 answer
2. asked by sabina
3. 1,306 views
The CEO of a transportation company wants to use a large amount of cash for the purchase of additional new trucks and trailers
1. 1 answer
2. asked by Anonymous
3. 1,276 views
How much heat (in ) is required to warm 11.0 of ice, initially at -13.0, to steam at 111.0? The heat capacity of ice is 2.09 and
1. 0 answers
2. asked by Anonymous
3. 1,226 views
If you are using 5.25% (mass/mass) bleach solution and you determine that the density of the bleach solution is 1.08 g/mL, how
1. 0 answers
2. asked by Rob
3. 1,223 views
A loaf of bread is normally distributed with a mean of 22 oz and a standard deviation of 0.5 oz. What is the probability that a
1. 1 answer
2. asked by atul
3. 1,214 views
If I had an experiment where I was testing how the membrane permeability is affected by ethanol, and by doing this had to
1. 1 answer
2. asked by anonymous
3. 1,206 views
A 1.00 g lead bullet at 28.0°C is fired at a speed of 230 m/s into a large block of ice at 0°C, in which it becomes embedded.
1. 1 answer
2. asked by Anand
3. 1,201 views
If 72% of Americans have straight hair, 76% have brown eyes, 87% are high school graduates, and 88% are less than 6 feet tall,
1. 1 answer
2. asked by Theo
3. 1,190 views
1. A chocolate bar is made up of 12 equal pieces.Tom ate 3/4 of a chocolate bar. Sarah ate 2/3 of the same kind of chocolate
1. 2 answers
2. asked by Jayda
3. 1,185 views
There is a .97 chance that no accident will occur during any particular day at a racetrack of local importance. the probability
1. 1 answer
2. asked by 12-year-old-poet
3. 1,185 views
Tickets to a show cost$10 in advance and $15 at the door. If 120 Tickets were sold for a total of $1390, how many of the tickets
1. 2 answers
2. asked by Rambo
3. 1,157 views
a young Asian child would probably be less engage in backchanneling than a middle class American child does because?
1. 5 answers
2. asked by rhonda minnis
3. 1,145 views
The following reaction has the following standard thermodynamic parameters:Reaction: C(g) + D(g)----> E(g) Delta H
1. 1 answer
2. asked by Kay
3. 1,121 views
Suppose that your score on an exam has a positive z-score in comparison to your classmates. A. Is it possible that your score is
1. 1 answer
2. asked by Rok
3. 1,095 views
Three charged particles are placed at the corners of an equilateral triangle of side d = 1.40 m (Fig. 16-53). The charges are Q1
1. 0 answers
2. asked by CLaire
3. 1,088 views
Can someone answer please Determine the boiling point of water at 698.5 mm Hg?
1. 1 answer
2. asked by Lisa
3. 1,074 views
Explain how you can tell 26 over 100 is greater than 1 over 4????
1. 2 answers
2. asked by Nina
3. 1,067 views
is 5+x and x+5 represent the same expression? explain
1. 1 answer
2. asked by blake
3. 1,052 views
math : write an equation that uses 18-?and 10+2.explain how to decide which numbers would make it true.
1. 1 answer
2. asked by Alex
3. 1,031 views
I have to write a conversation between two characters from Groom Service by Michael Dorris(shot story)Is there is anyone who had
1. 3 answers
2. asked by Sarah
3. 1,029 views
A park has 18 swings. 3/9 of them are tire swings. how many of the swings are tire swings?
1. 2 answers
2. asked by Layla
3. 1,015 views
teacher read story called The Secret Life of Walter Mitty and it be here142.23.40.13/big/english/stories/WalterMitty . p d f all
1. 2 answers
2. asked by Mohammad
3. 1,010 views
Find the mass of urea needed to prepare 51.7 g of a solution in water in which the mole fraction of urea is 7.59×10−2. anyone
1. 0 answers
2. asked by jazz
3. 1,005 views
In 1801 Washington, D.C., was locatedin the center of the country. Where is the center now?
1. 1 answer
2. asked by stephanie
3. 1,001 views
A +5 microcoulomb charge experiences a .55 N force in the positive y direction. If this charge is replaced with a -2.7
1. 1 answer
2. asked by jdubya
3. 999 views
2. Walter Mitty steps into fantasy while he drives his car and begins imagining he be pilot. As he ride past hospital he think
1. 0 answers
2. asked by Mohammad
3. 982 views
Determine the maximum number of electrons that can have each of the following designations:6f: 4d: 2f: 5d(yz): 3d:
1. 1 answer
2. asked by Kaleen
3. 978 views
Examples of seed dispersalAnimals carry seeds away carried by the wind animal waste carried by water stuck to fur/clothes Any
1. 1 answer
2. asked by Andrew
3. 975 views
what is the value of 3/14 rounded to the nearest fouth.
1. 1 answer
2. asked by joanne
3. 965 views
Was Ponce de Leon the first European explore to explore land that became prt of the United States?
1. 1 answer
2. asked by Dakota
3. 963 views
A Ferris wheel with a diameter of 100feet rotates at a constant rate of 4 revolutions per minute. Let the center of the Ferris
1. 0 answers
2. asked by Rosalinda
3. 954 views
A certain number has 3 digits.The sum of 3 digits =36 multiplied by the 3digits number.What is the 3 digit number?
1. 0 answers
2. asked by mavis
3. 942 views
I am doing my physics homework and am stuck on this one problem. can anyone help me please?Two blocks are connected by a
1. 0 answers
2. asked by Kaity
3. 942 views
i have to write three pages on this topic i need ideas. PLEASEPeter Berger likens sociological discovery to culture shock minus
1. 1 answer
2. asked by gabby
3. 942 views
Determine the boiling point of water at 698.5 mm Hg.
1. 1 answer
2. asked by Lisa
3. 932 views
If you are using 5.25% (mass/mass) bleach solution and you determine that the density of the bleach solution is 1.08 g/mL, how
1. 0 answers
2. asked by Rob
3. 930 views
of 250 candidates writing a exam, 147 passed in math,150 pass in chemistry and 85 pass subjectsB)calculate the number of
1. 2 answers
2. asked by andrew
3. 926 views
I left out the following sentences.Thank you very much.1) The day after Christmas my uncles from Liguria visited us. 2) The day
1. 1 answer
2. asked by Henry2
3. 891 views
If you make up a solution of 100 mL of 0.1 M HEPES in the basic form, what will be the pH?I have no idea where to even start...
1. 1 answer
2. asked by Sara
3. 890 views
Consider the curve -8x^2+5xy+y^3=-1491. Find Dy/dx 2. write an equation for the line tangent to the curve at the point (4,-1)
1. 1 answer
2. asked by Matt
3. 876 views
Please can you help as I am stuck,Describe ib detail, how you would carry out an investigation to measure the density of a block
1. 3 answers
2. asked by chloe
3. 876 views
A motorcycle traveling 91.0 km/hr approaches a car traveling in the same direction at 83.0 km/hr. When the motorcycle is 52.0 m
1. 1 answer
2. asked by challom
3. 874 views
A space vehicle is coasting at a constant velocity of 22.5 m/s in the +y direction relative to a space station. The pilot of the
1. 1 answer
2. asked by Alex
3. 871 views
of 250 candidates writing a exam, 147 passed in math,150 pass in chemistry and 85 pass subjectsB)calculate the number of
1. 1 answer
2. asked by Andrew
3. 857 views
what are 5 verb phases using a main verb and helping verb
1. 1 answer
2. asked by kailee
3. 846 views
How many kilograms of water at 15oC can be heatedto 95oC by burning 143 grams of methane, CH4, assuming that 100% of the heat is
1. 2 answers
2. asked by Hannah
3. 843 views
Hello. I will really appreciate some help from a native speaker of English.Which is correct, "this" or "that",(maybe, both?)in
1. 1 answer
2. asked by Ilma
3. 839 views
Write pseudocode (using pascal) to accept as input names of an unspecified number of equipment rented, the name of the company,
1. 1 answer
2. asked by John
3. 839 views
The string of a certain yo-yo is 80 cm long and will break when the force on it is 10 N. What is the highest speed the 200 g
1. 3 answers
2. asked by Kristen
3. 838 views
A fire hose ejects a stream of water at an angle of 38.3 ° above the horizontal. The water leaves the nozzle with a speed of
1. 1 answer
2. asked by chelsea
3. 835 views
A long, straight wire has a uniform linear charge density of 7.50X10^-4 C/m. A point charge q=15.0 microcoulombs is located 4.50
1. 1 answer
2. asked by Angelo
3. 825 views
Ms.fuller has 2 and 2/6 pies left over from her party. write the number of pies left over as a fraction greater than 1
1. 1 answer
2. asked by Brianna Wright
3. 823 views
A falling stone takes 0.320 s to pass a window 2.30 m high. From what height (in meters) above the top of the window did the
1. 2 answers
2. asked by jholm
3. 821 views
Please match each number with its best example. Some values will need to be changed into a decimal format.A. Recurring Decimal
1. 4 answers
2. asked by Jess
3. 799 views
Help! I am not really good with story problems!Forest rangers measure a depth of 82" of snow on a mountain peak at 8am. Snow is
1. 2 answers
2. asked by Erin
3. 787 views
Jhonatan ate 9/12 of a hotdog, he saved 4/9 of it for his little sister. How much of the hot dog did his little sister eat?
1. 1 answer
2. asked by Jayda
3. 784 views
If A=55 degrees 55 minutes and c=16, find a.
1. 1 answer
2. asked by Zamaria
3. 781 views
Find the indicated trigonometric function, given that è is an angle in standard position with the terminal side passingthrough
1. 1 answer
2. asked by bhangu
3. 779 views
A golf ball rolls off a horizontal cliff with an initial speed of 14.1 m/s. The ball falls a vertical distance of 14.0 m into a
1. 3 answers
2. asked by chelsea
3. 778 views
Write pseudocode to accept as input names of an unspecified number of equipment rented, the name of the company, the number of
1. 0 answers
2. asked by John
3. 777 views
You have three identical charged spheres, each with a charge of 2.80 µC. You have arranged them so they are each at the corners
1. 1 answer
2. asked by CLaire
3. 776 views
Norman received $60 for working 8 hours. At this rate, how much would receive for working 35 hours?
1. 1 answer
2. asked by Kara
3. 775 views
Name the following compound.Ba3Pb2 I don't really understand since both the elements are metals and usually these bonds occur
1. 1 answer
2. asked by k
3. 771 views
Runner A is initially 5.0 km west of a flagpole and is running with a constant velocity of 4.5 km/h due east. Runner B is
1. 1 answer
2. asked by Anna
3. 766 views
suppose theyou push with a 40-N horizontal force on a 4-kg mass resting on a horizontal surface against a horizontal friction
1. 1 answer
2. asked by Anonymous
3. 759 views
At 22 degrees Celsius and a pressure of 755 mm Hg, an unknown gas was found to have a density of 4.52 g/L. When analyzed, the
1. 0 answers
2. asked by tom
3. 737 views
If a person has a mass of 83 kg, what will that person weigh in newton
1. 1 answer
2. asked by kabelo
3. 730 views
A 141-mg sample was placed on a watch glass that weighed 9.203 g. What is the weight of the watch glass and sample in grams?
1. 1 answer
2. asked by eric
3. 729 views
High-voltage power lines are a familiar sight throughout the country. The aluminum (resistivity = 2.82 x 10-8 m) wire used for
1. 0 answers
2. asked by Morgan
3. 712 views
Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The
1. 2 answers
2. asked by Betty
3. 711 views
A space traveler weighs 620 N on earth. What will the traveler weigh on another planet whose radius is three times that of earth
1. 0 answers
2. asked by Anonymous
3. 709 views
Lareina understands factors, but sometimes she has trouble finding all the factors of a number. What advice would you give to
1. 3 answers
2. asked by Gabby ( 5 grade)
3. 705 views
Why is Pseudo-psychologies so popular?
1. 3 answers
2. asked by Lannette
3. 704 views
4. Satisfaction is given to Mitty in his last daydream by he thinking he ended all his problems. Trend comparing first dream to
1. 2 answers
2. asked by Mohammad
3. 703 views
Using the format of an experimental write-up*, describe (and illustrate) 2 of the following 3 important Behavioral/Learning
1. 1 answer
2. asked by Giselle
3. 696 views
How does jefferson's policies of cutbacks as president compared to today?
1. 0 answers
2. asked by Noun
3. 693 views
Point C is the center of the circle. The measure of angle ACB is 15x + 20. Arc AB measures 20x – 10. Find the measure of arc
1. 0 answers
2. asked by kadejah
3. 693 views
A charged particle of mass 6.38x10^-31kg is suspended motionless in the air by an electric field. If the electric field is
1. 1 answer
2. asked by Anonymous
3. 689 views
5(-3x - 2) - (x - 3) = -4(4x + 5) + 13Answer Multiply factors. -15x - 10 - x + 3 = -16x - 20 +13 Group like terms. -16x - 7 =
1. 1 answer
2. asked by Andrew
3. 689 views
What is the main difference between macroeconomics and microeconomics?
1. 1 answer
2. asked by lalt
3. 688 views

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