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Questions Asked on February 22, 2013

a sample of glucose, c6h12o6 contains 2.03*10^21 atoms of carbon.(a)how many atoms of hydrogen does it contain? (b)how many
1. 6 answers
2. asked by rose
3. 13,265 views
At 25 degrees celsius and 775 Torr, carbon dioxide has a solubility of 0.0347 M in water. What is the solubility at 25 degrees
1. 2 answers
2. asked by alyla
3. 8,726 views
How much concentrated solution would you take to prepare 2.80L of 0.475M HCl by mixing with water?Hydrochloric acid is usually
1. 2 answers
2. asked by M J
3. 8,550 views
An archer shoots an arrow with a velocity of 45.0m/s at an angle of 50.0degrees with the horizontal.An assistant standing on the
1. 3 answers
2. asked by Sammie
3. 6,515 views
pKa1 = 2.148, pKa2 = 7.198, pKa3 = 12.375You wish to prepare 1.000L of a 0.0100M Phosphate buffer at pH7.55. To do this, you
1. 3 answers
2. asked by Alba
3. 6,093 views
A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of
1. 1 answer
2. asked by Wynter (please help)
3. 5,256 views
A circular swimming pool has a diameter of 14 m, the sides are 4 m high, and the depth of the water is 3.5 m. (The acceleration
1. 1 answer
2. asked by Anonymous
3. 4,718 views
A circle is divided into 18 equal parts. How many degrees is the angle for each part? How many degrees is the angle for 5 parts?
1. 8 answers
2. asked by Trent
3. 4,634 views
pat has some t-shirts. 1/4 of the t-shirts are pink, 1/2 of the remainder are white and the rest are purple. what fraction of
1. 16 answers
2. asked by Shohanur
3. 4,477 views
of the total number of spectators at a circus show, 1/4 are men, 2/5 of the remaining number of spectators are women. there are
1. 5 answers
2. asked by shohanur
3. 4,035 views
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissolved CO2 satisfies the
1. 6 answers
2. asked by Sam
3. 4,009 views
Carl Lewis set a world record for the 100.0-m run with a time of 9.86 s. If after reaching the finish line, Mr. Lewis walked
1. 2 answers
2. asked by Pearl
3. 3,646 views
A laser is shot from vertex A of square ABCD of side length 1, towards point P on BC so that BP = 3/4. The laser reflects off
1. 5 answers
2. asked by Knights
3. 3,583 views
A helium balloon contains 0.54g of helium.Given the molecular weight of helium is 4.0 g/mol, how many moles of helium does it
1. 2 answers
2. asked by Mira
3. 2,546 views
In how many ways can a group of 10 people be divided into:a. two groups consisting of 7 and 3 people? b. three groups consisting
1. 1 answer
2. asked by Therese
3. 2,499 views
Donald works 1 and 3/4 hour a day at a book store. if he is paid $7 a day, how much money will he make in 5 days?
1. 17 answers
2. asked by Shohanur
3. 2,340 views
In seed plants, what is an important difference between gymnosperms and most angiosperms? A)Gymnosperms rely on animals to carry
1. 5 answers
2. asked by Corie
3. 2,293 views
The sum of twice a number and another number is 24. The difference of twice the first number and the other number is 12. Which
1. 3 answers
2. asked by tyler
3. 2,277 views
From 5 statisticians and 6 economists, a committee consisting of 3 statisticians and 2 economists is to be formed. How many
1. 1 answer
2. asked by Therese
3. 2,249 views
I need help on the worksheet of what do you get if a bunch of bad guys fall into the ocean worksheet. I don't want the answer I
1. 4 answers
2. asked by Aileen
3. 2,230 views
An observer on a cliff 1000 dm above sea level sights two ships due east. the angles of depression of the ships are 44o and 32o.
1. 1 answer
2. asked by Need help really fast!
3. 2,227 views
In a certain high school class, consisting of 60 girls and 40 boys, it is observed that 24 girls and 16 boys wear eye glasses,
1. 3 answers
2. asked by suhad
3. 2,123 views
driving along a crowded freeway you notice that it takes a time to go from one mile marker to the next. when you increase your
1. 3 answers
2. asked by katie
3. 2,100 views
Write the trigonometric expression as an algebraic expression.1.) SIN(ARCSIN X+ARCCOS X) ANSWER: 1 2.) SIN(ARCTAN 2X-ARCCOS X)
1. 1 answer
2. asked by AwesomeGuy
3. 2,087 views
Calculate the speed of a proton having a kinetic energy of 1.00 × 10^−19J and a mass of 1.673 × 10^−27kg. Answer in units
1. 2 answers
2. asked by nathan
3. 2,022 views
Calculate the mass percent composition of C,H, O and in aspirin.Express your answers using two significant figures. Enter your
1. 1 answer
2. asked by Mira
3. 1,958 views
A ball is tossed from an upper-storey window of a building.The ball is given an initial velocity of 8 m/s at an angle of 20
1. 3 answers
2. asked by Sammie
3. 1,947 views
the mass of 2.50 mol of a compound with the formula ECl4, in which E is a nonmetallic element, is 385g. what is the molar mass
1. 3 answers
2. asked by rose
3. 1,898 views
The price in dollars of a house during a period of mild inflation is described by the formula P(t)=94000 e0.03 t, where t is the
1. 2 answers
2. asked by Hannah
3. 1,894 views
Which of the following bonds is polar?A.F—F B.O—H C.O—O D.H—H I think it is B...?
1. 3 answers
2. asked by Cassie
3. 1,826 views
find the greatest common factor of these two expression 18 u^2 v^5 w^3 and 30 u^7 w^4
1. 3 answers
2. asked by mace
3. 1,792 views
What is the area, in square units, of a triangle whose vertices are at (4,-1), (10,3) and (4,5) ?How to do this?
1. 5 answers
2. asked by Knights
3. 1,733 views
Three charges (q1=1 μC, q2=−2 μC, q3=3 μC) are located at the corners of an equilateral triangle with sides of length one
1. 1 answer
2. asked by P
3. 1,723 views
Melissa and her friends are stretching rubber bands for an activity in class. Melissa stretched her elastic to 10 inches. Juan
1. 12 answers
2. asked by jared
3. 1,673 views
A wooden crate weighs 780 lb. What force is needed to start the crate sliding on a wooden floor when the coefficient of starting
1. 1 answer
2. asked by J
3. 1,642 views
The mean weight of 500 male students at a certain college is 151 pounds (lb), and the standard deviation is 15 lb. Assuming that
1. 5 answers
2. asked by suhad
3. 1,639 views
A 2.1 kg mass is connected to a spring with spring constant k= 180 N/m and unstretched length 16 cm. The pair are mounted on a
1. 1 answer
2. asked by Courtney
3. 1,614 views
UNSCRAMBLE 25 LETTERS TO MAKE 8 WORDS THAT ANSWER THE QUESTION WHAT'S WRONG WITH GETTING A HAIRCUT?LETTERS: H I T I S B E T E R
1. 5 answers
2. asked by x
3. 1,602 views
Sam cut a pie into equal slices. There are only 3 slices left. The angle measure of the 3 slices is 72 degrees How many slices
1. 5 answers
2. asked by Trent
3. 1,581 views
The Civil War was an example of which type of conflict?a. interpersonal b. intrapersonal c. intergroup d. intragroup I believe
1. 1 answer
2. asked by Cheryl
3. 1,559 views
Revise the following paragraph, improving it without changing its overall meaning. Pay particular attention to sentence
1. 2 answers
2. asked by Jules
3. 1,480 views
A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.9 m/s. If the coefficient of
1. 0 answers
2. asked by Anonymous
3. 1,382 views
Kevin plotted a linear equation on a graph with 18 as the y-intercept. Which of the following could be the equation plotted by
1. 4 answers
2. asked by hi
3. 1,379 views
A plane is flying at 25 degrees north of west at 190km/ h. Suddenly there is a wind from 15degrees north of east at 45 km/ hr.
1. 1 answer
2. asked by Dan
3. 1,328 views
Revise the following paragraph, improving it without changing its overall meaning. Pay particular attention to sentence
1. 1 answer
2. asked by Christelle
3. 1,273 views
1. Firm L has debt with a market value of $200,000 and a yield of 9%. The firm's equity has amarket value of $300,000, its
1. 3 answers
2. asked by jone
3. 1,267 views
Classify as primary, secondary, tertiary alcohols.i. 2-butanol ii. 3-methyl-3-pentanol iii. 2-methyl-1-pentanol iv.
1. 3 answers
2. asked by meghan
3. 1,231 views
use the following data to calculate the mean bond enthalpy values for the C-H and C-C bonds.CH4(g)-C(g) + 4H(g) standard
1. 1 answer
2. asked by Bliss
3. 1,206 views
Miriam orders a shipment of 1500 pounds of ice for her supermarket. The ice comes in individual 5 pound bags that cost Miriam
1. 12 answers
2. asked by Jessica
3. 1,196 views
Hydrogen peroxide solution, H2O2(aq), is available with a concentration of 1.667mol/L. When diluted to a concentration of
1. 2 answers
2. asked by Lori
3. 1,187 views
Bret Harte "Plain Language from Truthful James"1. What was the major theme in this poem? 2. What can we learn from the
1. 1 answer
2. asked by Anonymous
3. 1,160 views
I need help on the worksheet of what do you get if a bunch of bad guys fall into the ocean worksheet. I don't want the answer I
1. 5 answers
2. asked by Aileen
3. 1,152 views
jodys has a rectangular piece of fabric 7/8 yard long and 4/5 yard wide.a)what is the area of the pieces of fabric?(I already
1. 2 answers
2. asked by shohanur
3. 1,140 views
A laboratory stockroom has a stock solution of 90%(m/v) sulfuric acid,H2SO4(aq). If a technician dilutes 50ml of the stock
1. 0 answers
2. asked by Lori
3. 1,112 views
calculate the percent by mass of solute in solution that contains 3.85 g of calcium chloride in 78.5g of water
1. 2 answers
2. asked by Anonymous
3. 1,110 views
The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it,
1. 0 answers
2. asked by A
3. 1,094 views
Hello, I have a question concerning trigonometric substitution.let's say we have integral of dx/sqrt(9x^2 + 4), so after doing a
1. 2 answers
2. asked by Tom
3. 1,087 views
Last year, Joe had to invest. He invested some of it in an account that paid simple interest per year, and he invested the rest
1. 8 answers
2. asked by Jazz
3. 1,073 views
What results in the combination of the haploid sets of chromosomes from two individuals into a diploid zygote
1. 2 answers
2. asked by Candy
3. 1,069 views
In the sequence below, each shaded triangle, after the first is 1/4 the area of the preceding shaded triangle. What is the ratio
1. 1 answer
2. asked by Crystal
3. 1,060 views
Identify the correct sentence.a) Georgia wanted only to be loved, Dante wanted only to love her. b) Georgia wanted only to be
1. 1 answer
2. asked by Ann
3. 1,046 views
Trey keeps sports cards in 3 drawers. Each drawer contains exactly 120 cards. In each drawer 2/3, of the cards are baseball
1. 3 answers
2. asked by bianca
3. 1,044 views
The first of three pipes fills a tank in 12 minutes and a second pipe in 10 minutes.If both these pipes and also a third pipe
1. 1 answer
2. asked by NEED HELP NOW!!
3. 1,028 views
If you have one $50 bill, one $20 bill, one $10 bill and one $100 bill, how many possible sums of money consisting of three
1. 1 answer
2. asked by Therese
3. 1,021 views
A marathon runner ran the first 5 mi. in 32.5 min. If she continues running at this pace, how long will it take her to run the
1. 1 answer
2. asked by Brittany
3. 1,020 views
1. The natural vegetation regions of sub-Saharan AfricaA. are heavily impacted by human activity. B. don't correspond closely to
1. 7 answers
2. asked by Dale
3. 1,007 views
Find the apr to the nearest half percent for the following loanAmount financed $3400 Finance charge $470 Number of monthly
1. 3 answers
2. asked by Kate
3. 969 views
The scale factor between figure A and figure B is zero point two five. If one side length of figure B is fifty-six yards, what
1. 2 answers
2. asked by kelby
3. 950 views
I am writing a report in apa and I was not sure if it is okay to ask a rhetorical question in the introduction?
1. 5 answers
2. asked by renee
3. 948 views
Which of the following groups of words in bold is nonrestrictive and should therefore be set off with commas in the sentence?A.M
1. 2 answers
2. asked by Cassie
3. 919 views
F=tan^(-1)(cos(2x))F'=
1. 2 answers
2. asked by jonh
3. 917 views
3(n)-2(2n+2)=1/3(n+4)help please, show your work. thank you!
1. 2 answers
2. asked by NEED HELP NOW!!
3. 899 views
Calculate the length of the diagonal for the given rectangular prism. It says length hight widthbut in the lesson it says length
1. 2 answers
2. asked by alex
3. 879 views
Solve the differential equation. Let C represent an arbitrary constant. (Note: In this case, WebAssign expects your answer to
1. 0 answers
2. asked by Alli
3. 879 views
Calculate the mass percent composition of C,H, O and in aspirin. Express your answers using two significant figures. Enter your
1. 0 answers
2. asked by Mira
3. 877 views
Out of 4 architects, 6 engineers and 9 electricians, how many ways can a group of 6 people be formed to attend a forum if:a.
1. 2 answers
2. asked by Therese
3. 868 views
In a 1.0× 10–4 M solution of HClO(aq), identify the relative molar amounts of these species from most to least: HClO, OCl,
1. 0 answers
2. asked by Ethan
3. 865 views
round up 114.29 to nearest cent
1. 1 answer
2. asked by ann
3. 858 views
Tony (of mass 75 kg) coasts on his bicycle (of mass 15 kg) at a constant speed of 4 m/s,carrying a 14 kg pack. Tony throws his
1. 0 answers
2. asked by Anonymous
3. 848 views
jodys has a rectangular piece of fabric 7/8 yard long and 4/5 yard wide.a)what is the area of the pieces of fabric?(I already
1. 2 answers
2. asked by shohanur
3. 832 views
find two consecutive natural number the sum of whose reciprocal is 11/30
1. 2 answers
2. asked by mahi
3. 831 views
mike drank 3 quarts of juice on monday, 2 pints of juice on tuesday and 1 quart of juice on wednesday. how many pints of juice
1. 1 answer
2. asked by alexi
3. 823 views
A normally distributed population with 200 elements has a mean of 60 and a standard deviation of 10. The probability that the
1. 1 answer
2. asked by Laws
3. 817 views
Which disorder causes a natural immunity to Malaria?
1. 2 answers
2. asked by Candy
3. 810 views
difference between solution and pure substance
1. 1 answer
2. asked by Anonymous
3. 809 views
A laser is shot from vertex A of square ABCD of side length 1, towards point P on BC so that BP = 3/4. The laser reflects off
1. 0 answers
2. asked by Knights
3. 806 views
Last year, Deon had $20,000 to invest. He invested some of it in an account that paid 6% simple interest per year, and he
1. 2 answers
2. asked by Jazz
3. 805 views
The price in dollars of a house during a period of mild inflation is described by the formula P(t)=94000 e0.03 t, where t is the
1. 1 answer
2. asked by Hannah
3. 797 views
A 1.0-mL volume of 0.010 M H2SO3 is added to a mixture of 12 drops of 0.010 M HIO3, 8 drops of deionized water, and 1 drop of
1. 0 answers
2. asked by Anonymous
3. 791 views
Who came to power in China, instituting a Communist regime that would bring great suffering to the nation's people
1. 1 answer
2. asked by melissa
3. 784 views
A 4.10 kg mass, m, on a frictionless table is moving in a circle with radius 0.390 m at a constant speed. m is attached to a
1. 0 answers
2. asked by Audrey Riegel
3. 772 views
if a person can fill a tank in 12 min. and another person can fill a tank in 20 min. How long will it take both of them to fill
1. 1 answer
2. asked by shirley
3. 763 views
Two electrons are separated by 1 meter. What is the ratio of the magnitude of the electric force on one electron and the
1. 0 answers
2. asked by P
3. 741 views
When two objects move uniformly toward each other, they get 3.0 m closer each second, and when they move uniformly in the same
1. 1 answer
2. asked by Cristian
3. 725 views
Hi, i'm the person that asked what are some servants, shopkeepers, or slave in Ancient Rome. What I mean is what are the names
1. 1 answer
2. asked by Anonymous
3. 724 views
Verify the identities please.1.) TAN(X+π)-TAN(π-X)= 2 TAN X 2.) SIN(X+Y)+SIN(X-Y)= 2 SIN X COS Y
1. 2 answers
2. asked by AwesomeGuy
3. 714 views
a particle of mass(m) attack to a string of length (r) b wave round in a circle with speep(b) fine the form of the expression
1. 1 answer
2. asked by Anonymous
3. 714 views
The English civil war affected the american colonies in which of the following ways:a.) With england convulsed in civil war, the
1. 1 answer
2. asked by MIKE
3. 711 views
Write a two digit odd number using 5 and 6
1. 2 answers
2. asked by Anonymous
3. 708 views
A car is traveling at 44.4 km/hr on flat highway. If the coefficient of friction between road and tires on a rainy day is 0.114,
1. 1 answer
2. asked by Anonymous
3. 700 views

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