Ask a New Question
Search
Archives
2011
December
Questions Asked on
December 7, 2011
A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first
3 answers
asked by
Lindsay
8,533 views
Multiple choice
When methane is burned with oxygen, the products are carbon dioxide and water. If you produce 18 grams of water
3 answers
asked by
Anonymous
7,776 views
One day is 86,400 seconds. Express this number in scientific notation and estimate how far the sun's light travels i a day.
4 answers
asked by
Laura
5,973 views
Consider the following generic chemical equation: 2W + 3X ? 3Y + Z
When 5 units of W and 6 units of X are allowed to react, the
2 answers
asked by
Anonymous
5,914 views
How many oxygen atoms are represented in the formula Fe2(SO4)3?
3 answers
asked by
Sam
4,668 views
A painter needs to paint a circular floor that is 24 yards in diameter. A gallon of paint cover 59 square yards. How many
1 answer
asked by
Freddy
3,906 views
Greta said that the product of two prime numbers must also be a prime number. Joan disagreed. Who is correct?
7 answers
asked by
KC
3,836 views
You deposit $2,000 in an account that pays 8% interest compounded semiannually. After 4 years, the interest rate is increased to
2 answers
asked by
lily
3,344 views
Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25°C.
3 answers
asked by
MInx
3,328 views
ok this is in my practice book. there are 33 students in the chess club. there are five more boys than girls in the club. write
2 answers
asked by
ariel
3,213 views
Aqueous silver nitrate reacts with aqeous potassium iodide in a double-replacement reaction to produce a precipitate of silver
5 answers
asked by
Rachel
3,123 views
Which of the following is NOT a statement of the second law of thermodynamics?
a. The entropy of the universe is always
1 answer
asked by
Adryan
2,643 views
the random variable x is known to be uniformly distributed between 70 and 90. the probability of x having a value between 80 to
1 answer
asked by
Anonymous
2,419 views
a right triangle contains a 25 angle. if me leg is of length 5 inches what is the length of the hypotenuse
1 answer
asked by
vanessa aquino
2,175 views
unscramble the letters rorpsfgnloadeeasi to make a phrase
4 answers
asked by
Nicky
2,154 views
the figure shows that the angle of elevation to the top of the building changes from 20 degree to 40 degree as an observer
2 answers
asked by
tom
2,133 views
Kenny buys mixed nuts at a corner market for per pound. The cost is a function of the number of pounds of nuts bought. What is
3 answers
asked by
lenny
2,048 views
What is the coefficient in front of carbon dioxide when the following equation is balanced?
C3H8(l) + O2(g) → H2O(g) + CO2(g)
1 answer
asked by
Adryan
1,958 views
Length of a rectangle is 13 cm less than 5 times it's width. Its area is 28 square cm. Find dimensions of rectangle
1 answer
asked by
Melanie
1,944 views
WHAT IS THE OPPOSITE OF 58 DEGREES
2 answers
asked by
Anonymous
1,857 views
1. A basketball player passes the ball to his teammate at an angle of 40degrees above the horizontal. The ball is released 1.5m
1 answer
asked by
bella
1,522 views
When zinc metal is reacted with hydrochloric acid, zinc chloride and hydrogen gas are produced. If 16.4 ml of 2.14 M HCl are
3 answers
asked by
Lindsay
1,462 views
find the Derivative of::
1\R = 1\R1 + 1\R2
1 answer
asked by
NONO
1,452 views
find the distance between points P(7,4) and Q(1,2)to the nearest tenth
3 answers
asked by
ariel
1,403 views
Use logarithmic differentiation to find dy/dx for y=(1+x)^(1/x).
1 answer
asked by
CyrusDelaney
1,382 views
Hopelessly loss in New Joisey If Anyone can help me I greatly appericate it. Anyone know how do we find the greatest common
1 answer
asked by
JERSEYGIRL
1,356 views
Mulitple choice
What is the concentration of H^+ in solution given the [OH^-]= 1.32x10^-4 a)7.58x10^-11M b)1.32x10^-11M
5 answers
asked by
Anonymous
1,343 views
A gas occupies a volume of 0.500L at 125 degrees Celsius and 0.443 atm. What mathematical expression will yield the correct
2 answers
asked by
Lisa
1,289 views
1. Establish the identity:
sin(theta+3pi/2)=-cos(theta) 2. Find the exact value of 2(theta) if sin(theta)=5/13 3. Show that:
0 answers
asked by
Brittany
1,288 views
A uniform horizontal rod of mass 2.2 kg and length 0.63 m is free to pivot about one end as shown. The moment of inertia of the
1 answer
asked by
A
1,287 views
What is the age in years of a bone in which the ratio 14C/ 12C is measured to be 2.3×10^−13?
1 answer
asked by
Paige
1,286 views
0.249 g of a diatomic element occupies a volume of 125mL at 120 degrees C and 2.00 atm. This element is? Please help. I'm lost.
2 answers
asked by
Lisa
1,280 views
How many liters of HCl are produced by the reaction of 5.7 L of hydrogen with an equal amount of chlorine? The reaction occurs
1 answer
asked by
Alondra
1,275 views
A rock contains 200. µmol 238U (t1/2 = 4.5 109 yr) and 116 µmol 206Pb. Assuming that all the 206Pb comes from decay of the
4 answers
asked by
Martin
1,239 views
From industry statistics, a credit card company knows that 0.8 of its potential card holders are good credit risks, and 0.2 are
0 answers
asked by
Anonymous
1,196 views
What volume would 1.5 x 10^25 molecule CO2 occupy at STP?
1 answer
asked by
KahJiah
1,171 views
14. You throw a 2 kg. Stone straight up into the air with a velocity of 6m/s. What is the max height of the stone and the total
1 answer
asked by
Sarah
1,160 views
I have this assignment for english. Ok like I have a journal to write down my daily life (that what we supose to do for english
2 answers
asked by
Laruen
1,153 views
Hello. I again need your grammar help and will be very grateful for it.
Please tell me if the sentences are OK: "This is a very
1 answer
asked by
Ilma
1,145 views
What a steal of a Deal!
Hunter went to TV City to buy a new TV. When he got there, he found that the manager was offering a 25%
2 answers
asked by
Linda
1,138 views
Quick strikes and movements during the darkness were used by:
a. Francis marrion b. Peter francisco c. Crispus Attucks d. Caeser
3 answers
asked by
brandon
1,128 views
explain the importance of building a foundation when evaluating historical events such as the boston tea party
1 answer
asked by
Anonymous
1,106 views
Why did the pilgrims come to america???????/
plz help
2 answers
asked by
Laruen
1,096 views
1.The four rows of data below show the boiling points for a solution with no solute, sucrose (C12H22O11), sodium chloride
0 answers
asked by
Tre
1,093 views
The Mendes family bought a new house 10 years ago for $120,000. The house is now worth $191,000. Assuming a steady rate of
0 answers
asked by
Rock
1,079 views
A plane flies the first half of a 5600 km flight into the wind in 3.5 hours. The return trip, with the same wind, takes 2.5
1 answer
asked by
Betsy
1,076 views
An anthropologist finds there is so little remaining Carbon-14 in a prehistoric bone that instruments cannot measure it. This
0 answers
asked by
Rock
1,074 views
can you check my work
i need order least to greatest 6 problems. 1) 0.2222 1/5 0.02 i got: 0.2 0.2222 0.02 2) 1.1111 1 1/10 1.101
10 answers
asked by
marko
1,069 views
Clear communication in a government memorandum would most likely be hindered by
slang idioms jargon dialect i really don't get
5 answers
asked by
Yelena
1,066 views
What is the Lewis dot diagram for C2Cl2?
1 answer
asked by
Brett
1,053 views
A soccer ball of mass 450 grams is initially moving horizontally east at 12 m/s. You kick it so that it moves horizontally north
2 answers
asked by
roly
1,046 views
Zeus Industries bought a computer for $2500. It is expected to depreciate at a rate of 20% per year. What will the value of the
2 answers
asked by
Rock
1,028 views
Predict what might have happened if the Maya civilization had continued into the present day. Explain.
0 answers
asked by
Gabby ( 5 grade)
1,013 views
The space shuttle has a weight 2.00 x 10^7 N. The shuttle is accelerated upward at a rate of 5.50 m/s^2. What is the mass of the
3 answers
asked by
Hannah
1,013 views
Explain how could use a spring,a ruler,some standard masses and some graph paper to find the weight of an unknown object.
3 answers
asked by
syed
1,004 views
Select the gerund phrase in the sentence below. Then, determine the noun function of the gerund.
Writing a research paper sounds
2 answers
asked by
Lisa
999 views
What are good tips on how to write good lyrics to a song?
0 answers
asked by
Jesse
998 views
how many molecules of O2 are in 5.0g of O2? how many atoms of oxygen are in this many molecules?
1 answer
asked by
milan
995 views
A lead bullet with a mass of 8.50 g traveling at 4.80 x 102 m/s strikes a 2.00 kg block of wood and is embedded in it. Both the
1 answer
asked by
mickael
994 views
how to balance the following redox
1 ClO- +I- = Cl- +I2
2 answers
asked by
anonymouse
980 views
14. You throw a 2 kg. Stone straight up into the air with a velocity of 6m/s. What is the max height of the stone and the total
1 answer
asked by
Sarah
963 views
429 people attended a play. The admission was $1 for adults and $0.75 for kids. The receipts from the play totaled $372.50. How
2 answers
asked by
jessie
961 views
One dimension. In Fig. 13-32, two point particles are fixed on an x axis separated by distance d. Particle A has mass mA and
1 answer
asked by
Dan
943 views
A regular hexagon is composed of 12 congruent 30-60-90 triangles. If the length of the hypotenuse of one of those triangles is
1 answer
asked by
damon
934 views
How did the Civil War settle the question of Federal Supremacy?
1 answer
asked by
Jamas
909 views
One dimension. In Fig. 13-32, two point particles are fixed on an x axis separated by distance d. Particle A has mass mA and
0 answers
asked by
Dan
908 views
Two foundational definitions related to counseling ethics and legal issues. Then analyze how each term is reflected in ethical
2 answers
asked by
Jackson
903 views
Please help me with English grammar, especailly punctuation on the following sentence (Thanks in advance):
It is essential that
2 answers
asked by
Yelena
893 views
perform the indicated operation and if possible simplify.
1 answer
asked by
Anonymous
885 views
what does this mean: the rate of blood flow to an organ is related to resistance to flow in the small arteries and arterioles
0 answers
asked by
Caroline
880 views
Are these shapes correct?PH3-trigonal pyramidal, CHCl3-tetrahedral, H2S-linear and PO4^-3-tetrahedral?
2 answers
asked by
Lisa
879 views
could you please solve and show steps for: 24-8/4*2+4(3)
2 answers
asked by
Julie
867 views
a ladder leaning against a wall makes a 60 degree angle with the ground. the based of the ladder is 4m from the building. how
1 answer
asked by
anonymous
866 views
Hello.
Please tell me if it's possible to say: 1) to declare a message; 2) to announce a message; 3) to sound a message; 4) to
2 answers
asked by
Ilma
862 views
HARRIET BOUGHT CHRISTMAS CARDS.
SHE BOUGHT 1 BOX WITH 15 CARDS FOR $18.00, 1 BOX WITH 12 CARDS FOR 20.00, AND 2 BOXES WITH 10
1 answer
asked by
NICK
858 views
A man throws a ball straight up in the air with an initial speed of 24 meter per second.
How long does it take for the ball to
2 answers
asked by
r
857 views
Ok I'm entering this contest and like the winner earns 5,000 mercindise and more (it's a long to explain). In the contest we had
6 answers
asked by
Laruen
842 views
perform indicated operations.
(5ab)/(a^2-b^2)+(a+b)/(a-b)
1 answer
asked by
Ruthie
838 views
Radioactive iodine is used to determine the health of the thyroid gland. It decays according to the equation y=ae -0.0856t where
0 answers
asked by
Rock
831 views
How do you calculate the phase constant in degrees given amplitude and frequency?
2 answers
asked by
Me
827 views
What is the age in years of a bone in which the ratio 14C/ 12C is measured to be 2.3×10^−13?
0 answers
asked by
Paige
827 views
Solve the equation by the substition method. x-y=11 3x+10y=-6?
1 answer
asked by
Please help
826 views
A set of five different positive integers has a mean of 19 and a median of 21. What is the greatest value of the greatest
3 answers
asked by
Math Help
806 views
What is the limiting reactant when 31.5 g of
CuO are exposed to 2.7 g of H2 according to the equation CuO(s) + H2(g) −→ Cu(s)
2 answers
asked by
Anonymous
792 views
if a 40.0-g stone is whirled horizontally on the end of a 0.60-mstring at a speed of 22m/s what is the tension in the string?
0 answers
asked by
elina
787 views
An open box is to be made from a 10-ft by 14-ft rectangular piece of sheet metal by cutting out squares of equal size from the
1 answer
asked by
NONO
776 views
I'm pretty sure the answer is A, am I correct?
Natural selection tends to A) increase the frequency of characteristics that
1 answer
asked by
jon
774 views
The half life for a first order reaction is know to be 4.5 h. How long will it take for 85% to be decomposed, in h?
1 answer
asked by
Paige
769 views
if you take a 1 liter bottle of water out of the refrigerator at just above 0 celsius., how much heat will it take to raise the
2 answers
asked by
Clay
768 views
Milwaukee Surgical Supplies, Inc., sells on terms of 3/10, net 30. Grosee sales for the year are $1,2000,000 and the collections
2 answers
asked by
hunter007
767 views
A monatomic ideal gas is compressed adiabatically from a pressure of 1.39 105 Pa and volume of 260 L to a volume of 39.0 L. What
2 answers
asked by
John
752 views
Maus Chapter 5 questions
How did Vladek and Anja escape from Srodula? What is a Kombinator? Is Maus a better book because Art
1 answer
asked by
Erub
752 views
The annual Gross Domestic Product (GDP) of a country is the value of all of the goods and services produced in the country
0 answers
asked by
Rock
744 views
An 77 person stands on a uniform ladder 4.0 long, that weighs 100 , as shown in the figure . The floor is rough; hence, it
1 answer
asked by
bob
741 views
The function f(t)=100,000/1+5000e^(-t) represents the population of an endangered species bird t years after they were
1 answer
asked by
MV
739 views
1.Calculate the energy of a photon whose frequency is 2450 megahertz.
What is the wavelength of waves transmitted by an AM radio
3 answers
asked by
steph
735 views
You weigh out 196.07mg ferrous ammounium sulfate (FW 392.14) to prepare 250mL of solution which is 0.002M with respect to that
2 answers
asked by
Ken
726 views
rewrite the equation so that y is a function of x.
2x = -3y + 10
5 answers
asked by
kit kat
718 views
A lead bullet with a mass of 8.50 g traveling at 4.80 x 102 m/s strikes a 2.00 kg block of wood and is embedded in it. Both the
0 answers
asked by
Michael
704 views
A car starts from rest and reaches a velocity of 8 m/s in 4 seconds.
a) What is its acceleration? b)If its acceleration remains
1 answer
asked by
bella
703 views
Back to December 2011