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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
1. 3 answers
2. asked by Lindsay
3. 8,540 views
Multiple choiceWhen methane is burned with oxygen, the products are carbon dioxide and water. If you produce 18 grams of water
1. 3 answers
2. asked by Anonymous
3. 7,780 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.
1. 4 answers
2. asked by Laura
3. 5,977 views
Consider the following generic chemical equation: 2W + 3X ? 3Y + ZWhen 5 units of W and 6 units of X are allowed to react, the
1. 2 answers
2. asked by Anonymous
3. 5,918 views
How many oxygen atoms are represented in the formula Fe2(SO4)3?
1. 3 answers
2. asked by Sam
3. 4,674 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. 1 answer
2. asked by Freddy
3. 3,910 views
Greta said that the product of two prime numbers must also be a prime number. Joan disagreed. Who is correct?
1. 7 answers
2. asked by KC
3. 3,839 views
You deposit $2,000 in an account that pays 8% interest compounded semiannually. After 4 years, the interest rate is increased to
1. 2 answers
2. asked by lily
3. 3,349 views
Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25°C.
1. 3 answers
2. asked by MInx
3. 3,333 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
1. 2 answers
2. asked by ariel
3. 3,217 views
Aqueous silver nitrate reacts with aqeous potassium iodide in a double-replacement reaction to produce a precipitate of silver
1. 5 answers
2. asked by Rachel
3. 3,130 views
Which of the following is NOT a statement of the second law of thermodynamics?a. The entropy of the universe is always
1. 1 answer
2. asked by Adryan
3. 2,647 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. 1 answer
2. asked by Anonymous
3. 2,423 views
a right triangle contains a 25 angle. if me leg is of length 5 inches what is the length of the hypotenuse
1. 1 answer
2. asked by vanessa aquino
3. 2,178 views
unscramble the letters rorpsfgnloadeeasi to make a phrase
1. 4 answers
2. asked by Nicky
3. 2,160 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
1. 2 answers
2. asked by tom
3. 2,137 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
1. 3 answers
2. asked by lenny
3. 2,055 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. 1 answer
2. asked by Adryan
3. 1,962 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. 1 answer
2. asked by Melanie
3. 1,948 views
WHAT IS THE OPPOSITE OF 58 DEGREES
1. 2 answers
2. asked by Anonymous
3. 1,862 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. 1 answer
2. asked by bella
3. 1,523 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
1. 3 answers
2. asked by Lindsay
3. 1,466 views
find the Derivative of::1\R = 1\R1 + 1\R2
1. 1 answer
2. asked by NONO
3. 1,456 views
find the distance between points P(7,4) and Q(1,2)to the nearest tenth
1. 3 answers
2. asked by ariel
3. 1,407 views
Use logarithmic differentiation to find dy/dx for y=(1+x)^(1/x).
1. 1 answer
2. asked by CyrusDelaney
3. 1,384 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. 1 answer
2. asked by JERSEYGIRL
3. 1,361 views
Mulitple choiceWhat is the concentration of H^+ in solution given the [OH^-]= 1.32x10^-4 a)7.58x10^-11M b)1.32x10^-11M
1. 5 answers
2. asked by Anonymous
3. 1,345 views
A gas occupies a volume of 0.500L at 125 degrees Celsius and 0.443 atm. What mathematical expression will yield the correct
1. 2 answers
2. asked by Lisa
3. 1,295 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:
1. 0 answers
2. asked by Brittany
3. 1,294 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. 1 answer
2. asked by A
3. 1,292 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. 1 answer
2. asked by Paige
3. 1,290 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.
1. 2 answers
2. asked by Lisa
3. 1,284 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. 1 answer
2. asked by Alondra
3. 1,279 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
1. 4 answers
2. asked by Martin
3. 1,244 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
1. 0 answers
2. asked by Anonymous
3. 1,201 views
What volume would 1.5 x 10^25 molecule CO2 occupy at STP?
1. 1 answer
2. asked by KahJiah
3. 1,177 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. 1 answer
2. asked by Sarah
3. 1,165 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
1. 2 answers
2. asked by Laruen
3. 1,157 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. 1 answer
2. asked by Ilma
3. 1,148 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%
1. 2 answers
2. asked by Linda
3. 1,142 views
Quick strikes and movements during the darkness were used by:a. Francis marrion b. Peter francisco c. Crispus Attucks d. Caeser
1. 3 answers
2. asked by brandon
3. 1,133 views
explain the importance of building a foundation when evaluating historical events such as the boston tea party
1. 1 answer
2. asked by Anonymous
3. 1,113 views
Why did the pilgrims come to america???????/plz help
1. 2 answers
2. asked by Laruen
3. 1,101 views
1.The four rows of data below show the boiling points for a solution with no solute, sucrose (C12H22O11), sodium chloride
1. 0 answers
2. asked by Tre
3. 1,099 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
1. 0 answers
2. asked by Rock
3. 1,083 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. 1 answer
2. asked by Betsy
3. 1,080 views
can you check my worki 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
1. 10 answers
2. asked by marko
3. 1,078 views
An anthropologist finds there is so little remaining Carbon-14 in a prehistoric bone that instruments cannot measure it. This
1. 0 answers
2. asked by Rock
3. 1,078 views
Clear communication in a government memorandum would most likely be hindered byslang idioms jargon dialect i really don't get
1. 5 answers
2. asked by Yelena
3. 1,073 views
What is the Lewis dot diagram for C2Cl2?
1. 1 answer
2. asked by Brett
3. 1,057 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
1. 2 answers
2. asked by roly
3. 1,050 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
1. 2 answers
2. asked by Rock
3. 1,031 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
1. 3 answers
2. asked by Hannah
3. 1,017 views
Predict what might have happened if the Maya civilization had continued into the present day. Explain.
1. 0 answers
2. asked by Gabby ( 5 grade)
3. 1,016 views
Explain how could use a spring,a ruler,some standard masses and some graph paper to find the weight of an unknown object.
1. 3 answers
2. asked by syed
3. 1,008 views
Select the gerund phrase in the sentence below. Then, determine the noun function of the gerund.Writing a research paper sounds
1. 2 answers
2. asked by Lisa
3. 1,004 views
What are good tips on how to write good lyrics to a song?
1. 0 answers
2. asked by Jesse
3. 1,002 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. 1 answer
2. asked by mickael
3. 999 views
how many molecules of O2 are in 5.0g of O2? how many atoms of oxygen are in this many molecules?
1. 1 answer
2. asked by milan
3. 999 views
how to balance the following redox1 ClO- +I- = Cl- +I2
1. 2 answers
2. asked by anonymouse
3. 985 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. 1 answer
2. asked by Sarah
3. 968 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
1. 2 answers
2. asked by jessie
3. 964 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. 1 answer
2. asked by Dan
3. 948 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. 1 answer
2. asked by damon
3. 940 views
How did the Civil War settle the question of Federal Supremacy?
1. 1 answer
2. asked by Jamas
3. 914 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. 0 answers
2. asked by Dan
3. 910 views
Two foundational definitions related to counseling ethics and legal issues. Then analyze how each term is reflected in ethical
1. 2 answers
2. asked by Jackson
3. 907 views
Please help me with English grammar, especailly punctuation on the following sentence (Thanks in advance):It is essential that
1. 2 answers
2. asked by Yelena
3. 897 views
perform the indicated operation and if possible simplify.
1. 1 answer
2. asked by Anonymous
3. 888 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
1. 0 answers
2. asked by Caroline
3. 885 views
Are these shapes correct?PH3-trigonal pyramidal, CHCl3-tetrahedral, H2S-linear and PO4^-3-tetrahedral?
1. 2 answers
2. asked by Lisa
3. 880 views
could you please solve and show steps for: 24-8/4*2+4(3)
1. 2 answers
2. asked by Julie
3. 872 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. 1 answer
2. asked by anonymous
3. 871 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
1. 2 answers
2. asked by Ilma
3. 866 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. 1 answer
2. asked by NICK
3. 865 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
1. 2 answers
2. asked by r
3. 862 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
1. 6 answers
2. asked by Laruen
3. 846 views
perform indicated operations.(5ab)/(a^2-b^2)+(a+b)/(a-b)
1. 1 answer
2. asked by Ruthie
3. 841 views
Radioactive iodine is used to determine the health of the thyroid gland. It decays according to the equation y=ae -0.0856t where
1. 0 answers
2. asked by Rock
3. 834 views
Solve the equation by the substition method. x-y=11 3x+10y=-6?
1. 1 answer
2. asked by Please help
3. 833 views
How do you calculate the phase constant in degrees given amplitude and frequency?
1. 2 answers
2. asked by Me
3. 832 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. 0 answers
2. asked by Paige
3. 831 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
1. 3 answers
2. asked by Math Help
3. 810 views
What is the limiting reactant when 31.5 g ofCuO are exposed to 2.7 g of H2 according to the equation CuO(s) + H2(g) −→ Cu(s)
1. 2 answers
2. asked by Anonymous
3. 796 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?
1. 0 answers
2. asked by elina
3. 791 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. 1 answer
2. asked by NONO
3. 781 views
I'm pretty sure the answer is A, am I correct?Natural selection tends to A) increase the frequency of characteristics that
1. 1 answer
2. asked by jon
3. 775 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. 1 answer
2. asked by Paige
3. 773 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
1. 2 answers
2. asked by Clay
3. 771 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
1. 2 answers
2. asked by hunter007
3. 770 views
Maus Chapter 5 questionsHow did Vladek and Anja escape from Srodula? What is a Kombinator? Is Maus a better book because Art
1. 1 answer
2. asked by Erub
3. 759 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
1. 2 answers
2. asked by John
3. 758 views
The annual Gross Domestic Product (GDP) of a country is the value of all of the goods and services produced in the country
1. 0 answers
2. asked by Rock
3. 748 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. 1 answer
2. asked by bob
3. 747 views
The function f(t)=100,000/1+5000e^(-t) represents the population of an endangered species bird t years after they were
1. 1 answer
2. asked by MV
3. 745 views
1.Calculate the energy of a photon whose frequency is 2450 megahertz.What is the wavelength of waves transmitted by an AM radio
1. 3 answers
2. asked by steph
3. 741 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
1. 2 answers
2. asked by Ken
3. 728 views
rewrite the equation so that y is a function of x.2x = -3y + 10
1. 5 answers
2. asked by kit kat
3. 724 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. 0 answers
2. asked by Michael
3. 707 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. 1 answer
2. asked by bella
3. 707 views

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