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Questions Asked on July 3, 2013

H2 and F2 react according to the following equation, forming HF.H2(g) + F2(g)  2HF(g); H° = –271 kJ If H2(g) and F2(g)
1. 2 answers
2. asked by Kayla
3. 3,649 views
A reflex, like automatically removing your hand from a hot stove, involves pain message sent to the spinal cord by___neurons,
1. 0 answers
2. asked by DJ
3. 726 views
What are schools that specialize in your needs? How do they specialize in religion, coed, non-coed, sports, music?
1. 4 answers
2. asked by Adria
3. 347 views
How do you factor the difference of two squares? How do you factor the perfect square trinomial? How do you factor the sum and
1. 1 answer
2. asked by Anonymous
3. 865 views
how much gas do you use to travel 172 miles at 4.00 a gallon.
1. 1 answer
2. asked by brian
3. 298 views
the function is h(t)= -4.9t^2+2t+45 (t represents time in seconds and h represents height in metres.)a) how tall is the
1. 3 answers
2. asked by Vieanna
3. 896 views
Which of the following statements is incorrect concerning the thermochemical equation below?2SO3(g)  2SO2(g) + O2(g); H°
1. 0 answers
2. asked by Kayla
3. 1,179 views
how much gas do you use to travel 172 miles at 4.00 a gallon.
1. 2 answers
2. asked by brian
3. 318 views
Show that the functiony=c_1 e^x cos(x)+ c_2 e^x sin(x) satisfies the differential equation y''-2y'+2y=0 for any values of c1 and
1. 1 answer
2. asked by Elyse
3. 1,702 views
Vector A has a magnitude of 71 units and points due west, while vector B has the same magnitude and points due south. Find the
1. 2 answers
2. asked by ODU
3. 2,408 views
Tribke Enterprises collected the following data from its financial reports for 2012:Stock price $18.37 Inventory balance
1. 0 answers
2. asked by Anonymous
3. 548 views
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 3.71 m/s. The car is a
1. 1 answer
2. asked by ODU
3. 461 views
(a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 8.02 m/s when going
1. 1 answer
2. asked by ODU
3. 1,201 views
A dynamite blast at a quarry launches a rock straight upward, and 2.2 s later it is rising at a rate of 17 m/s. Assuming air
1. 1 answer
2. asked by justin
3. 1,028 views
A cart is driven by a large propeller or fan, which can accelerate or decelerate the cart. The cart starts out at the position x
1. 1 answer
2. asked by ODU
3. 3,929 views
calcualte the compound amount afterr 5 years for an investment of $7,700 at 6% interest compounded quarterly
1. 1 answer
2. asked by angela
3. 337 views
What is the amount of compound interest for the investment in previous question
1. 0 answers
2. asked by artyst
3. 347 views
sand is falling into a conical pile so that the radius of the base of the pile is always equal to one half its altitude. of the
1. 2 answers
2. asked by Inkiena
3. 9,395 views
What is the annual percentage yield of a $10,000 investment for 1 year at 12% interest compounded monthly? (Round APY to the
1. 1 answer
2. asked by Tee
3. 455 views
Barium carbonate and nitric acid:BaCO3 (s) + 2HNO3 (aq.) --> Ba2+ (aq.) + 2(NO3-) (aq.) + CO2 (g) + H2O (l) If 25.0mLs of 0.150M
1. 1 answer
2. asked by Jill
3. 3,002 views
Show that both functions y1=e^(-2x) and y2=xe^(-2x) are solutions to the differential equation y^''+4y^'+4y=0
1. 1 answer
2. asked by Sara
3. 517 views
what is the volume of a right rectangular prism has a square base with sides that are 4 meters in length. the height of the
1. 1 answer
2. asked by Anonymous
3. 498 views
# Cis108 07/03/2014# The PCCC Palace Hotel - Final Bill # To write a bill per party regarding there stay at the Palace Hotel
1. 1 answer
2. asked by Matthew
3. 587 views
How much heat must be added to 1.0 kg of iron to raise its temperature from 20°C to 95°C? (ciron = 0.11 cal/g•°C)
1. 1 answer
2. asked by CHELSEA
3. 1,944 views
If 21.0 L of gas is held at a pressure of 7.80 atm and a temperature of 900.0 K, what will be the volume of the gas if the
1. 1 answer
2. asked by madison
3. 674 views
A gas has a pressure of 0.370 atm at 50.0 °C. What is the pressure at 22 °C, assuming volume remains constant?
1. 1 answer
2. asked by madison
3. 2,796 views
A balloon at 32 °C is filled with 21 L of air. What would its volume be at a temperature of 52 °C, assuming pressure remains
1. 3 answers
2. asked by madison
3. 629 views
A gas occupies 560.0 mL at 285 K. To what temperature must the gas be lowered if it is to occupy 250.0 mL? Assume that the
1. 3 answers
2. asked by madison
3. 1,829 views
A kayaker paddles across a river at a constant speed of 4 miles per hour and a bearing of N 60 degrees E. Which current vector
1. 1 answer
2. asked by Daniel
3. 1,616 views
a 0.5kg piece of metal (c=600j/kg/k) at 300c is dumped into a large pool of water at 20c. assuming the change in temperature of
1. 1 answer
2. asked by ikye
3. 592 views
(Q1)determine the quantity of heatconducted in 30min through an iron plate2.0cm thick and 0.10m2 in area if the temperature of
1. 1 answer
2. asked by ikye
3. 1,641 views
(Q1)calculate the electric power which must be supplied to the filament of a light bulb operating at 3000k. the total surface
1. 1 answer
2. asked by kate
3. 841 views
how to explain how the mass of a rock could be found
1. 1 answer
2. asked by brandy
3. 536 views
(Q1)A wire of cross- sectional area of 0.00006m2 and length 50cm stretches by 0.2mm under a load of 3000n.Calculate the Young's
1. 1 answer
2. asked by kate
3. 1,935 views
(Q1)the temperature at which the tungsten filament of a 12v and 36w lamp operates is 1730c.If the temperature coefficient of
1. 1 answer
2. asked by kate
3. 548 views
(Q1)A gas occupies a certain volume at 27c.If it is heated at constant pressure, its volume is exactly doubled at a temperature
1. 2 answers
2. asked by kate
3. 1,230 views
You prepare a solution by dissolving 58.5g of LiCL in 250ml of solution. If the solution is further diluted by having a total
1. 0 answers
2. asked by Junny
3. 448 views
1. He dug at the river bottom.2. He dug the river bottom. (Which one is correct?) 3. Hippo dived into the river, but he hit the
1. 3 answers
2. asked by rfvv
3. 572 views
121/11(6+5)
1. 1 answer
2. asked by Babu
3. 701 views
Lots of my friends think that Prince's music is old, but I think it's not only excellent but also an innovation.
1. 2 answers
2. asked by Anonymous
3. 1,067 views
How would I use the chain rule here for x^2+y^2=z^2 but still have my answer in equation form?
1. 1 answer
2. asked by Emma
3. 365 views
If chlorine gas is bubbled through an aqueous solution of sodium iodide, the result is elemental iodine and aqueous sodium
1. 2 answers
2. asked by LDonta
3. 3,006 views
Compute the amount of compound interest earned in 1 year for an investment of $1,000,000 with a nominal interest rate of 8%
1. 1 answer
2. asked by Anonymous
3. 494 views
What is the present value of $73,000 in 11 years if the interest rate is 8% compounded semiannually
1. 1 answer
2. asked by Anonymous
3. 402 views
For the following scores, find the (a) mean, (b) median, (c) sum of squareddeviations, (d) variance, and (e) standard deviation:
1. 1 answer
2. asked by Anonymous
3. 586 views
A nursing professor was curious as to whether the students in a very large class she was teaching who turned in their tests
1. 2 answers
2. asked by Anonymous
3. 1,153 views
Do children from lower socioeconomic status (SES) neighborhoods have lower than average test-taking skills? A researcher
1. 1 answer
2. asked by Anonymous
3. 737 views
Does computer-assisted instruction help community college health students with reading difficulties to learn reading skills at a
1. 1 answer
2. asked by Anonymous
3. 682 views
calculate the compound amount after 5 years for an investment of $7,700 at 6% interest compounded quarterly
1. 1 answer
2. asked by Anonymous
3. 435 views
The angle of elevation of the camera has to change at the correct rate in order to keep the rocket in sight. Also the mechanism
1. 4 answers
2. asked by Robin
3. 762 views
A 175-pound force and a 230-pound force are acting on the same point in directions that differ by 42°. What is the angle that
1. 2 answers
2. asked by John
3. 444 views
A storage unit in the shape of a rectangular prism has a volume of 72 ft3. The area of the base of the unit is 18 ft2. What is
1. 1 answer
2. asked by Anonymous
3. 511 views
A storage unit in the shape of a rectangular prism has a volume of 72 ft3. The area of the base of the unit is 18 ft2. What is
1. 2 answers
2. asked by Anonymous
3. 1,270 views
Given triangle ABC with a = 16, b = 14, and β = 54°, find the value of c.
1. 3 answers
2. asked by Matthew
3. 377 views
*Specific GravityA cylinder of plastic is 100 mm long and 50 mm in diameter. It has a mass of 1 kg. Determine its specific
1. 2 answers
2. asked by Myka
3. 2,793 views
The ultimate strength of a steel rod is 600.000MPa. if the factor of safety 3.000 is required, what is the maximum permissible
1. 1 answer
2. asked by Danny
3. 489 views
1) Calculate the tensile stress in a 33.000mm diameter rod subjected to a pull of 30.000kN.ANS= MPa (Round to 3 decimal places)
1. 1 answer
2. asked by Danny
3. 969 views
What suggestions would you offer a new employee to help them effectively communicate in your workplace when meeting
1. 1 answer
2. asked by renee
3. 452 views
A new medication has been created to treat osteo-arthritis inflammation and pain. Doctors prescribing the drug claim that the
1. 0 answers
2. asked by Katelyn
3. 647 views
If 13.75 g of Iron (III) nitrate react with an excess of ammonium sulfide, how many grams of iron(III) sulfide are produced?
1. 1 answer
2. asked by Adelle
3. 892 views
Find the area of a square with a diagonal of 8 cm.
1. 2 answers
2. asked by Anonymous
3. 523 views
Plywood is sold in rectangle sheets 4 feet wide and 8 feet long. How many 4x8 sheets of plywood are needed to completely cover a
1. 0 answers
2. asked by sonja
3. 434 views
the specific internal energy of a fluid is 200 cal/g .if the fluid leaves a system at a flow rate of 5 g/min ,at what rate does
1. 1 answer
2. asked by mousumi
3. 1,196 views
1) Create an APA reference for this publication as one would find in the reference pageArticle Title: Truly, Madly, Depp-ly
1. 0 answers
2. asked by khar123
3. 788 views
HW8_1: CANTILEVERED BEAM WITH TAPERED SQUARE CROSS SECTIONA cantilevered beam of length L has a square cross section of side
1. 7 answers
2. asked by MAN
3. 670 views
Create an APA reference for this chapter of the publication as one would find in the APA reference page (2 marks):Title of book:
1. 0 answers
2. asked by khar123
3. 534 views
HW8_1: CANTILEVERED BEAM WITH TAPERED SQUARE CROSS SECTIONA cantilevered beam of length L has a square cross section of side
1. 23 answers
2. asked by Dude
3. 702 views
HW8_1: CANTILEVERED BEAM WITH TAPERED SQUARE CROSS SECTIONA cantilevered beam of length L has a square cross section of side
1. 5 answers
2. asked by Uncle SAM
3. 658 views
HW8_1: CANTILEVERED BEAM WITH TAPERED SQUARE CROSS SECTIONA cantilevered beam of length L has a square cross section of side
1. 3 answers
2. asked by AMK
3. 575 views
Make a standard table with this dataTable Number: 1 Table Title: Differences in Content for Male and Female Dreams Data: Male
1. 1 answer
2. asked by khar123
3. 481 views
Why do we want students to learn APA 6th edition formatting?
1. 1 answer
2. asked by khar123
3. 446 views
How can I answer this question: Is my life balanced?Thanks :)
1. 1 answer
2. asked by Maya
3. 367 views
Which suffix or prefix is pejorative?A. -ion B. -ate C. dis- D. ad- Answer is C
1. 3 answers
2. asked by Jen
3. 523 views
What would be the compound amount after 19 years on an investment of $42,000 with an 11% interest rate compounded annually
1. 1 answer
2. asked by Anonymous
3. 358 views
A uniform bar 1.000 meters in length and having a cross sectional area of 10.000cm^2 is subjected to a loading of 5750.000
1. 2 answers
2. asked by Danny
3. 515 views
To determine the compound amount of an investment of $10,000 with an interest rate of 6% compounded monthly after 4 years
1. 3 answers
2. asked by Anonymous
3. 612 views
Let f(x)=x*f(x-1)+f(x-2).If f(0)=24 and f(1)=42 what is f(1000)?
1. 1 answer
2. asked by Fun
3. 382 views
Ellen wishes to mix candy worth $1.64 per pound with candy worth $3.46 per pound to form 20 pounds of mixture worth $3.00 per
1. 2 answers
2. asked by Monica
3. 2,000 views
Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the
1. 2 answers
2. asked by lisa
3. 728 views
(x + 4)(x - 3) = -10?
1. 1 answer
2. asked by lisa
3. 292 views
The solutions to a quadratic equation are -1 and 7. What is the equation of its axis of symmetry?
1. 3 answers
2. asked by lisa
3. 432 views
The instructions are, Write Lewis structures that obey the octet rule for the following species. (Assign atomic charges where
1. 1 answer
2. asked by Mary
3. 744 views
If you were a pharmaceutical researcher, why would you want to learn the three dimensional shapes of naturally occurring
1. 0 answers
2. asked by Anon
3. 737 views
Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the
1. 1 answer
2. asked by lisa
3. 553 views
A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes
1. 1 answer
2. asked by Danny
3. 474 views
An example of assimilation is the:a. synthesis of carbon b. synthesis of proteins c. hydrolysis of water d. hydrolysis of oxygen
1. 0 answers
2. asked by kaye
3. 422 views
Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 50 square feet. Use the formula for the
1. 1 answer
2. asked by lisa
3. 1,614 views
The solutions to a quadratic equation are -1 and 7. What is the equation of its axis of symmetry? I GOT 3 is that right
1. 1 answer
2. asked by lisa
3. 400 views
f(x)=-7/x-9What number must be excluded from the domain and why?
1. 2 answers
2. asked by Monica
3. 572 views
Female silkworm moths (Bombyx mori) attract males by emitting chemical signals that spread through the air. A male hundreds of
1. 3 answers
2. asked by Anon
3. 2,347 views
how do you do the following? 9/10 - ?= 17/30 and 3/10 + 4/5 = ? first time doing this . Thank you
1. 1 answer
2. asked by sam
3. 296 views
Signal Phrase: Read "Too Much Pressure" by Colleen Wenke (564-568). Consider it a model for using signal phrases to introduce
1. 1 answer
2. asked by Sal
3. 591 views
The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum
1. 3 answers
2. asked by Danny
3. 1,001 views
What is the factor of safety of a steel hanger having an ultimate strength of 630.000MPa and supporting a load of 65000.000N.
1. 1 answer
2. asked by Danny
3. 484 views
Using the integers 2,3,4,5,How many 3-digit odd numbers less than 300 can be formed if no repetition of digits is allowed?
1. 2 answers
2. asked by Anonymous
3. 561 views
Factorial notation problem. Please help?Hi, I am stuck on this maths problem. Solve for n: (n+2)!/(n)! =110. I get as far as
1. 2 answers
2. asked by Maria
3. 671 views
The overhead or fixed cost for the company is 1,000 per week. In addition, the cost of manufacturing each boat costs$200. Find
1. 1 answer
2. asked by tbcc
3. 585 views
1) Create an APA reference for this publication as one would find in the reference page(2 marks):Article Title: Truly, Madly,
1. 0 answers
2. asked by khar123
3. 557 views
2) Create an APA reference for this chapter of the publication as one would find in the APA reference pageTitle of book:
1. 1 answer
2. asked by khar123
3. 634 views
Make a standard table with this dataTable Number: 1 Table Title: Differences in Content for Male and Female Dreams Data: Male
1. 0 answers
2. asked by khar123
3. 509 views

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