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Questions Asked on July 14, 2011

Consider a 626N weight held by two cables. The left hand cable had tension T and makes an angle of theta with the wall. The
1. 1 answer
2. asked by alexa
3. 5,287 views
What is the percent yield for the reactionPCl3(g) + Cl2(g) --> PCl5(g) if 119.3 g of PCl5 are formed when 61.3 g of Cl2 react
1. 3 answers
2. asked by dan
3. 4,959 views
what is the percent by mass of NaHCO3, in a solution containing 20 g NaHCO3 dissolved in 600 mL H20
1. 4 answers
2. asked by rocky
3. 4,676 views
If 3000 dollars is invested in a bank account at an interest rate of 6 per cent per year, find the amount in the bank after 12
1. 1 answer
2. asked by tony
3. 3,875 views
An ideal gas is confined to a container with adjustable volume. The pressure and mole number are constant. By what factor will
1. 1 answer
2. asked by joyce
3. 3,150 views
Find the 6th term of the geometric sequence whose common ratio is 1/3 and whose first term is 7.
1. 3 answers
2. asked by Emily
3. 3,071 views
calculate the number of moles of magnesium, chlorine, and oxygen atoms in 8.80 moles of magnesium perchlorate?
1. 2 answers
2. asked by kee
3. 2,996 views
At 20°C, a solution contains 120 g of NaNO3 in 100 g of water. Is this solution saturated, unsaturated, or supersaturated?
1. 4 answers
2. asked by rocky
3. 2,748 views
EMILY WANTS A NEW DRESS. SHE ONLY HAS $30 TO SPEND. SHE LIVES IN A STATE WHERE THE SALES TAX IS 5%. ABOUT (ESTIMATE) HOW MUCH
1. 5 answers
2. asked by ROSE
3. 2,256 views
how many grams of water are needed to react with 80.0g CaCn2?
1. 1 answer
2. asked by kisha
3. 2,209 views
A ray of light enters the top of a glass of water at an angle of 36 degrees with the vertical. What is the angle between the
1. 1 answer
2. asked by Tina
3. 2,190 views
A 6 µC charge is placed at the origin and a secondcharge is placed on the x-axis at x = 0.34 m. If the resulting force on the
1. 1 answer
2. asked by Cynthia
3. 1,895 views
a sample of gas of unknown pressure occupies 0.766 L at the temperture of 298k the same sample of gas is than tested under known
1. 1 answer
2. asked by Rocky
3. 1,885 views
Williams Company's direct labor cost is 25% of its conversion cost. If the manufacturing overhead for the last period was
1. 1 answer
2. asked by Anonymous
3. 1,856 views
In a circle with centre P,a chord AB is parallel to a tangent & inersects the radius drawn from a point of contact at the
1. 2 answers
2. asked by Mahek
3. 1,836 views
__________ services are provided by both state AND local government.A. Education and public safety B. Education and defense C.
1. 3 answers
2. asked by Ant
3. 1,747 views
express the repeating decimal as a quotient of two integers1.63
1. 1 answer
2. asked by NICHOLE
3. 1,739 views
Barry Newman's savings account has a balance of $2707. After 4 years, what will the amount of interest be at 5% compounded
1. 1 answer
2. asked by Anonymous
3. 1,611 views
Calculate the number of moles of alumunium sulfer, oxygen atoms in 9.00 moles of Alumunium sulfate, Al2(SO4)3?
1. 1 answer
2. asked by kee
3. 1,520 views
Why is the solubility of KHTar greater in a 0.10M NaNO3 solution than in distilled water?
1. 1 answer
2. asked by Becky
3. 1,409 views
I just completed a lab called "Acid-Catalyzed Dehydration of an Alcohol: Synthesis of 2-Octenes."I started with 2-octanol and
1. 1 answer
2. asked by Carole
3. 1,391 views
The pH of a solution is given by the formula pH = -log H+ , where H+ is the concentration of hydrogen ions in molesper liter in
1. 1 answer
2. asked by jay
3. 1,384 views
As a sample of propane C3H3 contains 14.8 moles of carbon atoms. How many totals moles of atoms does the sample contains?
1. 1 answer
2. asked by kee
3. 1,367 views
What is the number of moles of gas contained in a 3 L vessel at 300 K with a pressure of 1.50 atm? (Given: R = 0.08205
1. 2 answers
2. asked by Anonymous
3. 1,361 views
How many moles of nitrogen N are there in 71.0g of Nitrous Oxide(N2O)?
1. 2 answers
2. asked by angel
3. 1,344 views
What are the products ?CH3-CH2-CH2-CH3 + Br2→
1. 1 answer
2. asked by g
3. 1,293 views
I messed up on my titration: filled part of the burette with a supersaturated solution of KHTar(2.073g...MM=188.18amu) dissolved
1. 1 answer
2. asked by Christina (PLZ HELP!!)
3. 1,292 views
What is the proper in-text citation for this source that has this many authors. Is this correct= In-text(Papalia, Olds, Wendkos,
1. 2 answers
2. asked by Sharon
3. 1,259 views
Vitamin A, Vitamin B6, Vitamin C and Vitamin E. Which of these are largely water soluble and which are largely fat soluble?
1. 2 answers
2. asked by nana a
3. 1,208 views
a train leaves a station and travels north at 85 km/hr. Four hours later, a second train leaves on a parrallel track and travels
1. 1 answer
2. asked by Ann
3. 1,190 views
The length and breadth of a rectangle are in the ration 8:5. The length is 10.5 centimeters more than the breadth. What are the
1. 1 answer
2. asked by Sunil
3. 1,170 views
What pressure will be exerted by 10 moles of hydrogen gas in a 7.5 L cylinder at 20°C? (Given: R = 8.314 L∙kPa/K∙mol)
1. 1 answer
2. asked by jane doe
3. 1,168 views
Discuss EVA concept, how is EVA determined, Describe how the company can increase EVA, Dicuss why and how EVA relates to
1. 1 answer
2. asked by Anonymous
3. 1,152 views
Two charged dust particles exert a force of 5.3 x 10^-2 N on each other. What will be the force if they are moved so they are
1. 3 answers
2. asked by amanda
3. 1,141 views
mike wants to make meatloaf and the recipe calls for six pounds of meat if he uses a 3 to 1 ratio of beef to pork how much pork
1. 1 answer
2. asked by LO
3. 1,139 views
why does the melted wax turns solid when dropped on water ?
1. 1 answer
2. asked by ivy
3. 1,129 views
Doing review for an exam and I can't find how to do this problem in my notes.2 SO2 + 2 Cl2 -----> 2 SOCl2 + O2 from a previous
1. 0 answers
2. asked by energy diagram
3. 1,085 views
In beta decay, why does the atomic number increase by 1?
1. 1 answer
2. asked by mema
3. 1,062 views
10 examples of back formation
1. 2 answers
2. asked by jm
3. 1,058 views
Explain how the addition of a solute affects the vapor pressure of the solvent.
1. 2 answers
2. asked by kendra
3. 1,049 views
A person in a kayak starts paddling, and it accelerates from 0 to 0.498 m/s in a distance of 0.554m. If the combined mass of the
1. 1 answer
2. asked by Kristi
3. 1,036 views
What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?
1. 1 answer
2. asked by kesha
3. 1,020 views
which of the following communication behaviors of interviewees is Most likely to be successful in an interview? A.)using
1. 4 answers
2. asked by lachelle mitchell
3. 1,004 views
1.Write an equation of the line containing the given points and parallel to the given line (3,8); x+5y=32. Write an equation of
1. 1 answer
2. asked by Keisha
3. 989 views
h(x)= integral from (1, 1/x) arctan(2t)dtpart 1: let U= 1/x and du= ? -> using u=1/x, we can write h(x)= integral from (1, 1/x)
1. 0 answers
2. asked by Anonymous
3. 954 views
You take and SRS of size 25 from a population with mean 200 and standard deviation of 10. Find the mean and the standard
1. 1 answer
2. asked by Ryan
3. 932 views
A job application letter is effective in convincing the reader that an applicant is knowledgeable of the company by?
1. 3 answers
2. asked by lachelle mitchell
3. 932 views
what does this derivative mean?(d/dx)(d/dt)(x^2t + t^2x - 2x^3)
1. 1 answer
2. asked by Kai
3. 922 views
I need someone to check my answers, to make sure that I have answered them correctly.My answers are marked with xxxx next to my
1. 3 answers
2. asked by Sharon
3. 920 views
describe the pattern you could use to complete the following grid, and then complete it. 0.22 __ __ __ 0.84
1. 1 answer
2. asked by Jr
3. 919 views
Find the inverse of the function.f(x) = e^-x + 5 f(x) = 10^x + 2
1. 0 answers
2. asked by help
3. 915 views
Since the oxidation number of Chromium is +3, and the oxidation number of Silicon is -4. Why is the chemical formula for
1. 1 answer
2. asked by Cynthia
3. 895 views
perform the indicated operation reduce answer to lowest terms3/17 + 6/170=
1. 1 answer
2. asked by NICHOLE
3. 882 views
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the
1. 2 answers
2. asked by Jen
3. 880 views
DANIEL HAS A MONEY MARKET ACCOUNT WITH %1,200. THE BANK OFFERED HIM A SPECIAL RATE OF 5.25% PER MONTH. HOW MUCH MONEY WILL
1. 3 answers
2. asked by ROSE
3. 865 views
Calculate the concentration of the NaOH solution. If 30,0cm3 of a standard oxalic acid[(COOH)2] solution of concentration 0,5
1. 2 answers
2. asked by Ntombikayise
3. 841 views
The winner of a popular lottery is offered one of two options:i) a lump sum of $102 500 ii) $1000 every month for 10 years If
1. 1 answer
2. asked by Kate
3. 832 views
ABCD is a parallelogram. If AB is equal to 2x + 1 and CD is equal to x + 13, find x
1. 2 answers
2. asked by lana
3. 831 views
add and simplify96/125 + 83/125 + 2/15 =
1. 2 answers
2. asked by aj
3. 823 views
During a rain storm, rain comes straight down with a velocity -15 m/s and hits the roof of a car perpendicularly. The mass of
1. 1 answer
2. asked by wendell
3. 807 views
When NaCl dissolves in water it breaks up in sodium ions (Na+)and chloride ions(cl).500 ml of a 1M solution of NaCl contains how
1. 2 answers
2. asked by Colby
3. 806 views
for the reaction to generate 2‐phosphoglycerate (2PG) from 3‐phosphoglycerate (3PG, ΔG = 0.83 kJ/mol; ΔGo’ = 4.4 kJ/mol.
1. 0 answers
2. asked by sara please help
3. 805 views
Doing review for an exam and I can't find how to do this problem in my notes.2 SO2 + 2 Cl2 -----> 2 SOCl2 + O2 from a previous
1. 0 answers
2. asked by energy diagram
3. 797 views
A block accelerates at 3.3 m/s^2 down a plane inclined at an angle of 26 degrees.Find micro(k) between the block and the
1. 1 answer
2. asked by alexa
3. 784 views
How does the medium in which you are communicating your message influence your writing and editing styles? I think it means
1. 3 answers
2. asked by Ellie
3. 783 views
EVALUATE 5x - 2y + 4z WHEN x=3, y=2, AND z=4 ??
1. 3 answers
2. asked by ROSE
3. 781 views
Write each of the following in the indicated base.(a) 1021three to base ten. (b) 534 to base twelve (c) MCMLXII to base ten
1. 1 answer
2. asked by jeana
3. 780 views
How many moles of methane are produced when 8206 moles of carbon dioxide gas react with excess hydrogen gas?
1. 2 answers
2. asked by angel
3. 774 views
The diagonals of rhombus FGHJ intersect at point K. If side GH is equal to 3x - 10 and side JH is equal to 6x - 19, find x.
1. 1 answer
2. asked by tom
3. 759 views
I need to know how to in-text citations using websites, is there any one that could explain this to me in plain english? All the
1. 6 answers
2. asked by Angelina
3. 758 views
List the terms that complete a possible pattern in each of the following and state whether the pattern is arithmetic, geometric,
1. 2 answers
2. asked by judy
3. 757 views
1.Write an equation of the line containing the given points and parallel to the given line (3,8); x+5y=32. Write an equation of
1. 1 answer
2. asked by Keisha
3. 751 views
How many moles of hydrogen gas would be needed to react with excess carcon dioxide to produce 88.1 moles of water vaporazation?
1. 1 answer
2. asked by kisha
3. 741 views
Assuming all volume measurements are made at the same temperature and pressure, how many liters of oxygen gas would it take to
1. 1 answer
2. asked by kendra
3. 739 views
A 54.0-cm diameter disk rotates with a constant angular acceleration of 2.0 rad/s2. It starts from rest at t = 0, and a line
1. 1 answer
2. asked by Kevin
3. 719 views
You want to determine the molar heat of solution of sodium chloride using a 10.0 g sample of NaCl(aq) and 50.0 mL of water in a
1. 4 answers
2. asked by Neha
3. 698 views
You invest $100,000 in an account with an annual interest rate of 4.5%, compounded semiannually. How much money is in the
1. 1 answer
2. asked by Anonymous
3. 696 views
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the
1. 1 answer
2. asked by Jen
3. 693 views
1. Which of the following exerts the most influence over the policies and actions of Japan's House of Representatives?A. The
1. 2 answers
2. asked by Ant
3. 690 views
If sales volume exceeds the break-even point, the firm sill experience a)an operating loss,b)an operating profit c)an increase
1. 1 answer
2. asked by Lea
3. 684 views
Question: What mass of water, in grams, would have to be decomposed to produce 17.6 L of molecular oxygen at STP?Work: n=PV/RT
1. 1 answer
2. asked by Bradley
3. 675 views
find the area of the equilateral triangle if a side is 8 radical 3m. round to the nearest who number
1. 1 answer
2. asked by Hope
3. 666 views
rewrite the first sentence of ch.2, section 5 of the text in your own words. identify commonly used pronouns. explain why using
1. 4 answers
2. asked by shakeila
3. 662 views
If A + B = 12, and B + C = 16, What is the value of A + C?A. -4 B. -28 C. 4 D. 28 E. The answer cannot be determined from the
1. 1 answer
2. asked by Peter
3. 661 views
during the renaissance, dramatists began writing about?A. science B. religion C. history D. everyday people. i think its c.
1. 1 answer
2. asked by aracely
3. 660 views
A football player runs the pattern given in the drawing by the three displacement vectors A ,B ,C and . The magnitudes of these
1. 1 answer
2. asked by Kelli
3. 649 views
The boiling point of a solution will ______ and the vapor pressure will _______ with a(n)_____ in the amount of dissolved
1. 1 answer
2. asked by kendra
3. 647 views
Which equation is set up correctly to determine the volume of a 1.5 mole sample of oxygen gas at 22°C and 100 kPa?
1. 2 answers
2. asked by jane doe
3. 639 views
I have these two equations that I'm supposed to set equal to each other and find the answer for h which is height for this
1. 1 answer
2. asked by Kai
3. 633 views
THE SMITH FAMILY IS GOING TO BUY A HOME FOR $150,000. THEY WILL NEED A 10% DOWN PAYMENT. HOW MUCH WILL THEY NEED?
1. 4 answers
2. asked by ROSE
3. 618 views
how can i work for three winning numbers out of the 90 numbers
1. 9 answers
2. asked by fuseini
3. 612 views
EVALUATE 6a + 4b - 3c WHEN a=4, b=7, AND c= -2
1. 2 answers
2. asked by ROSE
3. 611 views
EVALUATE 3x + 2y - 2z WHEN x=5, y=2, AND z=1 ???
1. 4 answers
2. asked by ROSE
3. 601 views
Can someone PLEASE tell me what "enitmelgens" is unscrambled.
1. 2 answers
2. asked by Roxy
3. 599 views
What is the kinetic energy of a 29 kg dog that is running at a speed of 7.9 m/s (about 18 mi/h)?
1. 2 answers
2. asked by chanelle
3. 598 views
Use normal approximation(Z-score for p-hat) to find the probability that student scores 80% or lower on a 100 question quiz.A)If
1. 1 answer
2. asked by Ryan
3. 595 views
In 21 states voters may propose and pass laws without the legislaturea.by direct initiative b by indirect initiative c by
1. 3 answers
2. asked by aj
3. 595 views
Which act is an example of governor's use of legislative powers?a firing a parks commissioner b rejecting part of a recycling
1. 2 answers
2. asked by aj
3. 588 views
h(x)= integral from (1, 1/x) arctan(2t)dtpart 1: let U= 1/x and du= ? -> using u=1/x, we can write h(x)= integral from (1, 1/x)
1. 0 answers
2. asked by Anonymous
3. 588 views
How many moles of CO2 would be made if you have 8 moles of C3H8?C3H8 + 5O2 → 3CO2 +4 H2O
1. 2 answers
2. asked by g
3. 583 views

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