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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
6 answers
asked by
rose
13,327 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
2 answers
asked by
alyla
8,784 views
How much concentrated solution would you take to prepare 2.80L of 0.475M HCl by mixing with water?
Hydrochloric acid is usually
2 answers
asked by
M J
8,600 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
3 answers
asked by
Sammie
6,576 views
pKa1 = 2.148, pKa2 = 7.198, pKa3 = 12.375
You wish to prepare 1.000L of a 0.0100M Phosphate buffer at pH7.55. To do this, you
3 answers
asked by
Alba
6,136 views
A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of
1 answer
asked by
Wynter (please help)
5,299 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 answer
asked by
Anonymous
4,771 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?
8 answers
asked by
Trent
4,705 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
16 answers
asked by
Shohanur
4,525 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
5 answers
asked by
shohanur
4,083 views
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissolved CO2 satisfies the
6 answers
asked by
Sam
4,082 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
5 answers
asked by
Knights
3,708 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
2 answers
asked by
Pearl
3,689 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
2 answers
asked by
Mira
2,593 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 answer
asked by
Therese
2,565 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?
17 answers
asked by
Shohanur
2,394 views
In seed plants, what is an important difference between gymnosperms and most angiosperms? A)Gymnosperms rely on animals to carry
5 answers
asked by
Corie
2,328 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
3 answers
asked by
tyler
2,314 views
From 5 statisticians and 6 economists, a committee consisting of 3 statisticians and 2 economists is to be formed. How many
1 answer
asked by
Therese
2,297 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 answer
asked by
Need help really fast!
2,286 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
4 answers
asked by
Aileen
2,281 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,
3 answers
asked by
suhad
2,180 views
Write the trigonometric expression as an algebraic expression.
1.) SIN(ARCSIN X+ARCCOS X) ANSWER: 1 2.) SIN(ARCTAN 2X-ARCCOS X)
1 answer
asked by
AwesomeGuy
2,141 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
3 answers
asked by
katie
2,139 views
Calculate the speed of a proton having a kinetic energy of 1.00 × 10^−19
J and a mass of 1.673 × 10^−27kg. Answer in units
2 answers
asked by
nathan
2,049 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
3 answers
asked by
Sammie
2,002 views
Calculate the mass percent composition of C,H, O and in aspirin.
Express your answers using two significant figures. Enter your
1 answer
asked by
Mira
2,001 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
2 answers
asked by
Hannah
1,977 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
3 answers
asked by
rose
1,932 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...?
3 answers
asked by
Cassie
1,862 views
find the greatest common factor of these two expression 18 u^2 v^5 w^3 and 30 u^7 w^4
3 answers
asked by
mace
1,825 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?
5 answers
asked by
Knights
1,792 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 answer
asked by
P
1,781 views
Melissa and her friends are stretching rubber bands for an activity in class. Melissa stretched her elastic to 10 inches. Juan
12 answers
asked by
jared
1,721 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 answer
asked by
J
1,688 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
5 answers
asked by
suhad
1,683 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 answer
asked by
Courtney
1,659 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
5 answers
asked by
Trent
1,649 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
5 answers
asked by
x
1,644 views
The Civil War was an example of which type of conflict?
a. interpersonal b. intrapersonal c. intergroup d. intragroup I believe
1 answer
asked by
Cheryl
1,591 views
Revise the following paragraph, improving it without changing its overall meaning. Pay particular attention to sentence
2 answers
asked by
Jules
1,530 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
0 answers
asked by
Anonymous
1,439 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
4 answers
asked by
hi
1,421 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 answer
asked by
Dan
1,364 views
Revise the following paragraph, improving it without changing its overall meaning. Pay particular attention to sentence
1 answer
asked by
Christelle
1,326 views
1. Firm L has debt with a market value of $200,000 and a yield of 9%. The firm's equity has a
market value of $300,000, its
3 answers
asked by
jone
1,305 views
Classify as primary, secondary, tertiary alcohols.
i. 2-butanol ii. 3-methyl-3-pentanol iii. 2-methyl-1-pentanol iv.
3 answers
asked by
meghan
1,276 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 answer
asked by
Bliss
1,259 views
Miriam orders a shipment of 1500 pounds of ice for her supermarket. The ice comes in individual 5 pound bags that cost Miriam
12 answers
asked by
Jessica
1,245 views
Hydrogen peroxide solution, H2O2(aq), is available with a concentration of 1.667mol/L. When diluted to a concentration of
2 answers
asked by
Lori
1,233 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
5 answers
asked by
Aileen
1,197 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 answer
asked by
Anonymous
1,196 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
2 answers
asked by
shohanur
1,184 views
A laboratory stockroom has a stock solution of 90%(m/v) sulfuric acid,H2SO4(aq). If a technician dilutes 50ml of the stock
0 answers
asked by
Lori
1,151 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
2 answers
asked by
Tom
1,138 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,
0 answers
asked by
A
1,134 views
calculate the percent by mass of solute in solution that contains 3.85 g of calcium chloride in 78.5g of water
2 answers
asked by
Anonymous
1,131 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
8 answers
asked by
Jazz
1,126 views
What results in the combination of the haploid sets of chromosomes from two individuals into a diploid zygote
2 answers
asked by
Candy
1,109 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 answer
asked by
Crystal
1,097 views
Trey keeps sports cards in 3 drawers. Each drawer contains exactly 120 cards. In each drawer 2/3, of the cards are baseball
3 answers
asked by
bianca
1,095 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 answer
asked by
NEED HELP NOW!!
1,087 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 answer
asked by
Ann
1,080 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 answer
asked by
Therese
1,072 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 answer
asked by
Brittany
1,059 views
1. The natural vegetation regions of sub-Saharan Africa
A. are heavily impacted by human activity. B. don't correspond closely to
7 answers
asked by
Dale
1,041 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
2 answers
asked by
kelby
1,001 views
Find the apr to the nearest half percent for the following loan
Amount financed $3400 Finance charge $470 Number of monthly
3 answers
asked by
Kate
999 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?
5 answers
asked by
renee
981 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
2 answers
asked by
Cassie
966 views
F=tan^(-1)(cos(2x))
F'=
2 answers
asked by
jonh
946 views
3(n)-2(2n+2)=1/3(n+4)
help please, show your work. thank you!
2 answers
asked by
NEED HELP NOW!!
933 views
Solve the differential equation. Let C represent an arbitrary constant. (Note: In this case, WebAssign expects your answer to
0 answers
asked by
Alli
929 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.
2 answers
asked by
Therese
925 views
Calculate the mass percent composition of C,H, O and in aspirin. Express your answers using two significant figures. Enter your
0 answers
asked by
Mira
918 views
Calculate the length of the diagonal for the given rectangular prism. It says length hight width
but in the lesson it says length
2 answers
asked by
alex
918 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,
0 answers
asked by
Ethan
903 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
0 answers
asked by
Anonymous
891 views
round up 114.29 to nearest cent
1 answer
asked by
ann
890 views
find two consecutive natural number the sum of whose reciprocal is 11/30
2 answers
asked by
mahi
887 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 answer
asked by
alexi
885 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
2 answers
asked by
shohanur
872 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
0 answers
asked by
Knights
862 views
Which disorder causes a natural immunity to Malaria?
2 answers
asked by
Candy
853 views
A normally distributed population with 200 elements has a mean of 60 and a standard deviation of 10. The probability that the
1 answer
asked by
Laws
850 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
2 answers
asked by
Jazz
850 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 answer
asked by
Hannah
837 views
difference between solution and pure substance
1 answer
asked by
Anonymous
832 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
0 answers
asked by
Anonymous
824 views
Who came to power in China, instituting a Communist regime that would bring great suffering to the nation's people
1 answer
asked by
melissa
820 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 answer
asked by
shirley
812 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
0 answers
asked by
Audrey Riegel
800 views
Two electrons are separated by 1 meter. What is the ratio of the magnitude of the electric force on one electron and the
0 answers
asked by
P
790 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 answer
asked by
Anonymous
781 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 answer
asked by
Cristian
767 views
The English civil war affected the american colonies in which of the following ways:
a.) With england convulsed in civil war, the
1 answer
asked by
MIKE
752 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
2 answers
asked by
AwesomeGuy
751 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 answer
asked by
Anonymous
747 views
Write a two digit odd number using 5 and 6
2 answers
asked by
Anonymous
735 views
A mild steel bar of width 10mm is subjected to a tensile stress of 3,0x105 Pa. Given that Young’s modulus for mild steel is
1 answer
asked by
dmkp
735 views
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