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Questions Asked on June 18, 2014

A gas occupies 210 mL at -73°C. To have the same gas occupy 360 mL:Should the temperature be increased or decreased? What is
1. 3 answers
2. asked by ginger
3. 4,253 views
The number of students who attended the class from monday to saturday were consecutive integers the average number of students
1. 2 answers
2. asked by Navami
3. 982 views
The entire can needs to be painted, including the top and bottom. If the diameter of the lid (x) is 5 cm, and the height of the
1. 2 answers
2. asked by Rebecca
3. 1,595 views
Write a sentence that explains the relationship between the two numbers. 5/1/2 + 14 (5/1/2 + 14) x 1/4 . My answer was they are
1. 2 answers
2. asked by Pinks
3. 527 views
Set up a Hess’s law cycle, and use the following information to calculate ΔH∘f for aqueous nitric acid, HNO3(aq). You will
1. 0 answers
2. asked by Meg
3. 1,087 views
How much energy (in kilojoules) is released when 13.3g of steam at 114.5∘C is condensed to give liquid water at 67.0∘C? The
1. 2 answers
2. asked by Jess
3. 1,697 views
Carlo drives his car for a picnic by first going 105 km north to pick up his girlfriend and then 120.0 km east to reach the
1. 1 answer
2. asked by Piper
3. 1,160 views
On the way to class, you walk north and then west such that your resultant displacement is 290 m in a direction 250 west of
1. 1 answer
2. asked by Piper
3. 578 views
"To save on production costs, most automobile bumpers are never coated with more than 200 g of chromium. Determine how much time
1. 0 answers
2. asked by anonymous
3. 1,003 views
"To save on production costs, most automobile bumpers are never coated with more than 200 g of chromium. Determine how much time
1. 3 answers
2. asked by Em
3. 1,386 views
Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3.
1. 3 answers
2. asked by Annika
3. 731 views
Find the 12th term of the arithmetic sequence 2, 6, 10, … .
1. 3 answers
2. asked by Annika
3. 3,824 views
in the proportion 2/8=8/32, which numbers is the geometric mean of the other two numbers?
1. 1 answer
2. asked by alice
3. 1,707 views
Hi, I needed help with this improper integral.lower limit : 2 upper limit : infinity integral of (lnx)/(x+1) dx Thank You so
1. 1 answer
2. asked by Bradley
3. 1,146 views
Select the approximate values of x that are solutions to f(x)=0, where f(x) = -2x^2+8x+5
1. 1 answer
2. asked by Anonymous
3. 404 views
At noon on a clear day, sunlight reaches the earth\'s surface at Madison, Wisconsin, with an average power of approximately 1.00
1. 0 answers
2. asked by Julie
3. 958 views
Black Eyed Peas’ 2011 Live Concert is to take place in a circular park. Due to the shape of the area, seats are set up so that
1. 1 answer
2. asked by Jade
3. 536 views
Find the value of x so that 3x – 2, 2x – 1 and 4x – 3 form an arithmetic sequence.
1. 1 answer
2. asked by Jade
3. 375 views
A 0.411 g sample of powdered copper mixed with an inert, soluble additive was fully consumed by 23.4mL of 0.602M nitric acid,
1. 1 answer
2. asked by Veronica
3. 2,493 views
Any vector can be written as a unit vector multiplied by the magnitude of the vector (a positive scalar). Write each of the
1. 0 answers
2. asked by rebekah
3. 846 views
Suppose every student in your class got a score of 85% on an exam. What are the mean and standard deviation of those exam scores
1. 2 answers
2. asked by Tiffany
3. 2,543 views
a tent needs 8.3 meters of fabric.Ifthe fabric cost $32.00 per meter,how much will it cost to make the tent?
1. 3 answers
2. asked by Lorna
3. 442 views
the temperature in Montreal is -3 degrees celsius at 10.00pm.by 6:00 am the temperature has dropped another 11 degress
1. 4 answers
2. asked by Lorna
3. 513 views
A person runs 800. m at an average speed of 6.00 m/s and then the next 800. m at an average speed of 8.00 m/s.Calculate (a) the
1. 1 answer
2. asked by Jade
3. 1,250 views
– 11 is the __________ term of the arithmetic sequence – 847, – 836, – 825, – 814, – 803, …
1. 1 answer
2. asked by Jade
3. 406 views
Use back substitution to solve the system of linear equationsx-2y+z=8 y+z=5 z=2 **I tried to solve it eventho im still
1. 2 answers
2. asked by Anonymous
3. 622 views
what is the greatest mass that can be taken an exact number of times from 720kg,1008kg and 672kg?
1. 6 answers
2. asked by Ghislaine
3. 1,118 views
LP turne 360 degrees every minute,if one side of an LP plays for 48 minutes,how many times does it turn around?
1. 2 answers
2. asked by Ghislaine
3. 392 views
1. Nitric acid is produced via the following equation: 3 NO2 + H2O = 2HNO3 + NO. How many grams of NO2 are required to produce
1. 2 answers
2. asked by Brett
3. 1,201 views
A bicycle tire has a diameter of 60cm and rotates 33.3 revolutions per minute.How far does a point on the edge of the tire
1. 2 answers
2. asked by Ghislaine
3. 617 views
please calculate7/4 x 40
1. 3 answers
2. asked by Ghislaine
3. 338 views
I was (hardy,indisposed) to accept the halfhearted invitation that reached me only a day before the partyANS - indisposed
1. 1 answer
2. asked by need help
3. 1,139 views
what is answer of this problem set X={X/X IS A BOY}
1. 1 answer
2. asked by JANE
3. 345 views
No matter how efficient the new chairperson may be, the meeting will not proceed (harmoniously, authoritatively) unless the new
1. 1 answer
2. asked by need help
3. 500 views
a rise of 4 meters and a rise of 6 meters
1. 1 answer
2. asked by Anonymous
3. 686 views
ind the monthly payment for the loan. (Round your answer to the nearest cent.)Finance $450,000 for a warehouse with a 7.50%
1. 1 answer
2. asked by Mary Ann
3. 540 views
1. Arrange the following in order of decreasing reactivity toward nitration. Fully explain please I could use some help!!A.
1. 0 answers
2. asked by Anonymous
3. 726 views
Determine whether the system of equation is in row-echelon form.x-y+3z=-11 y+8z=-12 z=-2
1. 1 answer
2. asked by julia
3. 413 views
Suppose a coin is tossed 100 times 57 heads and 43 tails what is the probability the next one will be heads.
1. 1 answer
2. asked by carol
3. 781 views
According to a certain countries 44.5% of 3 year olds are enrolled in daycare. What is the probability that a randomly selected
1. 1 answer
2. asked by carol
3. 830 views
A baseball player hit 59 homeruns in a season. Of the runs, 22 went to right field, 15 went to right center field, 8 went to
1. 2 answers
2. asked by carol
3. 638 views
A probability experiment was conducted in which the sample space of the experiment is S={1,2,3,4,5,6,7,8,9,10,11,12}, event F=
1. 0 answers
2. asked by carol
3. 847 views
Lily designed a deck in her backyard that is in the shape of a quadrilateral that has only 1 pair of parallel sides. What is the
1. 1 answer
2. asked by Anonymous
3. 798 views
Find the probability of P(E or F) if E and F are mutually exclusive P(E)=0.25 and P(F)=0.47
1. 3 answers
2. asked by carol
3. 2,749 views
A golf ball is selected at random from a golf bag. If the bag contains 3 black balls, 8 orange balls, and 4 brown balls, find
1. 1 answer
2. asked by carol
3. 608 views
The probability that a 3-year old garter snake will reach 4 years old is 0.62719. (a) what is the probability that two randomly
1. 1 answer
2. asked by carol
3. 525 views
8. Among 38-43 year old, 25% say they have written an editorial letter while under the influence of peer pressure. Suppose two
1. 0 answers
2. asked by carol
3. 610 views
Suppose that E and F are two events P(E and F)=0.1 and P(E)=0.4 what is P(F/E)?
1. 2 answers
2. asked by carol
3. 4,284 views
Consider problem U concerning the geosynchronous satellite of mass 50 kg. It orbits at a radius of 42,300 km with a speed of
1. 1 answer
2. asked by Rahul
3. 521 views
The probability that a randomly selected individual in a country earns more than 75,000 per is 10.5%. the probability that a
1. 2 answers
2. asked by carol
3. 5,671 views
un Lanes Bowling charges a fee of $4 to use their shoes and $6 for each game played. Salim wants to figure out how much it will
1. 1 answer
2. asked by Madison
3. 827 views
18z+45+z^2 (factor)please show steps
1. 1 answer
2. asked by tbell
3. 486 views
Prove the identitycsc^2x = 2sec2x / sec2x - 1 Sorry i really tried. I got : LS = 1 - (cos^2x/sin^2x) but that's it. please help
1. 1 answer
2. asked by Nihira
3. 559 views
The CIA published data about foreign countries on its web page. In particular they show total population as well as population
1. 0 answers
2. asked by Jamie
3. 725 views
a^4 b+a^2 b^3 simplify
1. 1 answer
2. asked by tbell
3. 325 views
find the value of the permutation12P0
1. 1 answer
2. asked by carol
3. 694 views
1. Guess what?2. What do you guess? 3. What do you think? 4. What is your opinion? ------------- Which one is similar to #1
1. 1 answer
2. asked by rfvv
3. 432 views
The sun is a satellite of Milky Way's galactic central cluster. The sun revolves around this center with a radius of 2.28x10^20
1. 1 answer
2. asked by Tyco
3. 808 views
Consider problem U concerning the geosynchronous satellite of mass 50 kg. It orbits at a radius of 42,300 km with a speed of
1. 0 answers
2. asked by Angel Mercado
3. 436 views
The decomposition reaction, x-->products, is second-order with rate constant k=0.0183 L/(s)(mol).How long will it take for the
1. 1 answer
2. asked by Jin
3. 853 views
According to the mechanism below, what is the correct expression for the rate consumption of A?In the mechanism, M is a molecule
1. 0 answers
2. asked by Jin
3. 401 views
A reaction has a first order rate constant of (6.25x10^-5 1/s) at T=298.15K and (0.0000538 1/s) at T=338.15K.What is the value
1. 1 answer
2. asked by Jin
3. 402 views
The activation energy, Ea, for a zeroth-order reaction, X-->products, is most readily obtained from the slope of a plot of:
1. 1 answer
2. asked by Jin
3. 651 views
1. Two similar cylindrical polished bars weighing 5.00 N each lie next to one another in contact. A third similar bar is placed
1. 3 answers
2. asked by GG Khannam
3. 656 views
If the change in the value of 'g ' at a height 'h ' above the surface of earth is the same as at a depth 'x ' below it. When
1. 1 answer
2. asked by fatima
3. 426 views
At the faculty costume party , each teacher from Transylvania Middle school came dressed as his of her favorite creepy creature
1. 1 answer
2. asked by Jessica
3. 550 views
How to solve first question using a t table please help answer question really stuck on wok new answers 19 or170 can you tell me
1. 1 answer
2. asked by Jessica
3. 546 views
8x12x0x3=
1. 1 answer
2. asked by cielo
3. 267 views
12x0x3x1
1. 1 answer
2. asked by cielo
3. 288 views
state whether each relation y=f(x) describes a quadratic function or not
1. 2 answers
2. asked by Jeff
3. 879 views
state whether each relation y=f(x) describes a quadratic function or noty=3-x^2
1. 2 answers
2. asked by Jeff
3. 913 views
on chemical scale, the relative mass of the isotopic mixture of x atoms (x^20,x^21,x^22) is approximately equal to:(x^20 has 99
1. 4 answers
2. asked by veer
3. 2,559 views
indium(atomic wt.= 114.82 u ) has two naturally occuring isotopes, the predominant one from has isotopic wt. 114.9041 and
1. 4 answers
2. asked by veer
3. 3,246 views
the approximate no. of molecules of co2 present in 44g of co2 is:
1. 2 answers
2. asked by veer
3. 682 views
which one of the following pairs of gases contains the same no. of molecules:
1. 0 answers
2. asked by veer
3. 627 views
the atmospheric pressure on mars is 0.61 kPa. what is the pressure in mm of Hg?
1. 4 answers
2. asked by veer
3. 2,841 views
a sample of ammonium phosphate (NH4)3PO4 contains 3.18 mole of H atoms. number of mole of o atoms in the sample is:
1. 3 answers
2. asked by veer
3. 664 views
if the atomic mass of sodium is 23u the no. of moles in 46g of sodium is:
1. 2 answers
2. asked by veer
3. 399 views
1g of hydrogen contains 6x10^23 atoms. the atomic wt. of helium is 4 u. it follows that the number of atoms in 1g of He is:
1. 2 answers
2. asked by veer
3. 913 views
the isotopic abundance of C-12 and c-14 is 98% and 2% by mass respectively. what would be the no. of atoms of c-14 isotope in
1. 2 answers
2. asked by veer
3. 911 views
the atomic wt. of two elements A and B are 40 u and 80 u respectively. if x g of A contains y atoms, how many atoms are present
1. 1 answer
2. asked by veer
3. 1,211 views
the no. of atoms in 558.5g of Fe (at wt = 55.85u) is:
1. 1 answer
2. asked by veer
3. 425 views
) Calculate the amount of unreacted aqueous ethanoic acid (CH3COOH(aq)) in the sample taken for titration with aqueous potassium
1. 1 answer
2. asked by jsame
3. 691 views
1 mole of element x has mass, 0.444 times the mass of 1mole of element Y. one average atom of element x has mass 2.96 times the
1. 3 answers
2. asked by veer
3. 814 views
remove the irrationality in the denominator(i) 1/1+√2+√3
1. 5 answers
2. asked by tanvir
3. 1,710 views
What job can I do with these subjects?
1. 4 answers
2. asked by Vera
3. 435 views
I need a thesis sentence for online dating and traditional dating for a compare and contrast essay
1. 7 answers
2. asked by LANA
3. 2,077 views
In a certain eatery, there are 5 glass racks having 24 glasses and 8 left over. The answer says there are 130 glasses in all. Is
1. 4 answers
2. asked by jr
3. 492 views
an open box is to be formed out of a rectangular piece of cardboard whose length is 8 cm longer than its width to form the box,a
1. 2 answers
2. asked by kenneth
3. 1,991 views
Write an expression for the problem, then evaluate.Tickets for children in a carnival cost 150. A teacher of a class of 48
1. 3 answers
2. asked by jr
3. 483 views
Please I need help on. Function y=4x +5 with the domain x≤0. And what is the range of the function?
1. 1 answer
2. asked by rana
3. 371 views
Many Americans hospitals have wound up employing family practice physicians or establishing contract management arrangements for
1. 1 answer
2. asked by trelle
3. 477 views
Imagine that you have a rectangular swimming pool, but you have no idea how deep it is. Youknow that the pool has a volume of
1. 2 answers
2. asked by shameek
3. 686 views
I am a decimal between 2 and 3. The digit in my thousandths place is the sum of the digits in my tenths and hundredths place.
1. 5 answers
2. asked by jude
3. 1,219 views
A number whose digit in the ten billions place is 5 less than 8
1. 1 answer
2. asked by Harry
3. 945 views
When Truman used the phrase "alternate ways of life," what two ways of life was he talking about? This is from my book:"At the
1. 2 answers
2. asked by Tina
3. 4,047 views
Today many different species of tortoise may be found in he Galapagos islands. Using your knowledge of evolution, explain how
1. 1 answer
2. asked by Maya
3. 518 views
If John stands near a 30 foot tall tree and leans a 50 foot tall ladder against the tree that reaches to the top of tree, then
1. 2 answers
2. asked by Anonymous
3. 631 views
A 2.2 liter engine would have a displacement of approximately
1. 0 answers
2. asked by Kenny
3. 371 views
the south african government is not providing welfare or sudsidies to the poor and underpriviledged
1. 1 answer
2. asked by nonjabulo
3. 439 views

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