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Questions Asked on January 22, 2017

When you light a candle, the paraffin wax soon begins to melt. Paraffin wax is a covalent compound. Can you classify the melting
1. 2 answers
2. asked by Heather
3. 2,183 views
Iron (III) Oxide reacts with Aluminum to form Aluminum Oxide and Iron. If I have 255 g of Aluminum and unlimited Iron (III)
1. 1 answer
2. asked by Erin
3. 640 views
The balanced equation for the synthesis of water is:2H2 + O2 > 2H2O If I have 5.5 grams of water, at least how many grams of
1. 2 answers
2. asked by Erin
3. 597 views
15 feet by 20 feet 8 feet deep by 4feet
1. 1 answer
2. asked by faustino pender
3. 384 views
An athlete runs at a speed 5 m/s.How fast must he run to have 2.5 times the kinetic energy that he does at that speed?
1. 1 answer
2. asked by Abdurhman
3. 402 views
A 85kg skydiver falls from an altitude of 3.5 X 10^3 M to an altitude of 1.10 X 10^3 m at constant speed.What is her change in
1. 1 answer
2. asked by Abdurhman
3. 418 views
Shingles affects 1 out of 3 people in the United States.affect or affects answer: affects
1. 1 answer
2. asked by Kimmy
3. 587 views
The quotient of A number and 2, decreased by 5, is equal to 35. Find the number
1. 3 answers
2. asked by Sharon
3. 2,666 views
let f(x) = -2x+4 and g(x) = -6x-7find f(x)-g(x)
1. 1 answer
2. asked by Steve
3. 370 views
15 /20 foot pool is 8feet deep /4feet deep how many square feet is it
1. 1 answer
2. asked by faustino pender
3. 411 views
f(x)=3x-7 and g(x) = -2x-6 find (fog)(4)
1. 1 answer
2. asked by Steve
3. 6,799 views
what is it called when cities spread surrounding areas????
1. 4 answers
2. asked by dipper pines! i bought all stuff on amazon!!!!!!!!
3. 447 views
Youre travelling down the road in a car with a total mass(including passengers) of 2.24 X 10^3a)What is the change in kinetic
1. 1 answer
2. asked by Francis
3. 521 views
A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x =
1. 1 answer
2. asked by Tea
3. 1,323 views
A waiter carries a 253g drink a distance of 12m on a horizontal tray at constant speed of 1.1 m/s.A) what work is done by the
1. 0 answers
2. asked by Sohaib
3. 395 views
Think of two or three informal groups that you are currently a part of or have been in the past
1. 3 answers
2. asked by Wanda
3. 426 views
1) What volume of oxygen gas at 28 Celsius and 102 kPa is needed to react completely with 150 g of iron according to the
1. 0 answers
2. asked by Peter
3. 850 views
Two people, one of mass 51.4KG and the other mass of 78.0 KG, sit a distance between of 2.3 metres apart on a low friction sleds
1. 0 answers
2. asked by Sohaib
3. 477 views
Astronauts in orbit appear to be 'weightless'.Suppose an astronaut with a mass of 154 KG including gear is in orbit in the space
1. 7 answers
2. asked by Abdurhman
3. 670 views
Astronomers launch a satellite to explore a nearby asteroid that has come dangerously close to the earth.The satellite begins
1. 12 answers
2. asked by Abdurhman
3. 623 views
I honestly can't figure out how to draw this structure and it's especially difficult for online homework. I've used up 2 tries
1. 0 answers
2. asked by SK
3. 466 views
Many astronomers argue that the Earth and Moon should be considered a double planet,since the gravitational force by the sun on
1. 0 answers
2. asked by Abdurhman
3. 1,002 views
1=5 , 2=15 , 3=25 , 4=45 , THEN 5=?
1. 1 answer
2. asked by CHAND HOSSEN
3. 284 views
what mass of copper is deposited from copper sulfate when a current of 0.22 A is passed through the solution for 15 minute
1. 1 answer
2. asked by Jssica
3. 613 views
Fluorination of acetone, C3H6O (substitution of fluorine for H) produces a gaseous compound with the formula C3H6?xFxO. To
1. 1 answer
2. asked by momo
3. 579 views
The heat of vaporization of benzene, C6H6, is 30.7 kJ/mol at its boiling point of 80.1 °C. How much energy in the form of heat
1. 1 answer
2. asked by bobyiee
3. 1,606 views
Out of 150eggs ,30 eggs are found damaged. The ratio of good eggs to damaged eggs is
1. 2 answers
2. asked by ashi
3. 471 views
Wealth disparity in Brazil results mostly from?A)unequal land distribution.**** B)insufficient arable land. C)lack of oil and
1. 3 answers
2. asked by Anon
3. 824 views
Three vessels have different shapes, but the area of their bottom surface isthe same, and all three are filled with water with
1. 1 answer
2. asked by Lee
3. 807 views
Determine the mass of CaCO3 in your TUMS tablet?The weight of the tablet was 0.013g Concentration of HCl was 0.1494 M Volume of
1. 1 answer
2. asked by Miya
3. 3,574 views
1. Traveling around the world is a huge part of me. Voyager dans le monde est une grande partie de moi.2. Traveling opens my
1. 4 answers
2. asked by Anne
3. 584 views
According to classical test theory, if the observed variance of a test is 50 and the true variance is 40, what is the estimated
1. 0 answers
2. asked by A
3. 1,299 views
If the correlation between one’s interest in statistics and being a “fun date” was –0.70, it would mean that:a. The
1. 2 answers
2. asked by A
3. 616 views
if tan alpha =1/3 and tan beta =1/7 prove that tan(2 alpha+beta)=45 degrees
1. 2 answers
2. asked by Anonymous
3. 1,688 views
Rose has 45 foreign stamps.she has7 less than twice as many philippine stamps.How many stamps has she?
1. 0 answers
2. asked by charles denver
3. 487 views
Bharati borrows amount of 12,500 at 12% per annum for 3 years at SI and madhuri borrows same amount for same time period at 10%
1. 4 answers
2. asked by Ananya
3. 1,081 views
A theater has a seating capacity of 900 and charges $5 for children, $7 for students, and $9 for adults. At a certain screening
1. 3 answers
2. asked by IU
3. 3,028 views
A farmer builds three sections of a fence as shown in the figure where L = 10.00 m, and gets tired. Walking straight back to
1. 2 answers
2. asked by Ravi Shankar
3. 2,917 views
this website is so helpful but i am confused on some things1) the people who answer questions is this their job or are they
1. 3 answers
2. asked by ray
3. 635 views
the adjacent sides of parallelogram are 15 cm and 8cm. if the distance between the longer sides is 4 cm ,find the distance
1. 1 answer
2. asked by jahan
3. 492 views
What's the main rule of subject-verb agreement? I need a simple explanation for this because I have an English final exam
1. 1 answer
2. asked by :)
3. 576 views
In triangle ABC ,D and E are the mid points of BC and AC respectively prove that the area of triangle ABC is 4 times than
1. 1 answer
2. asked by K.Teja Prabhu
3. 703 views
p;2p+2;5p+3 arithmetic sequence determine the next three terms
1. 3 answers
2. asked by machaka
3. 1,261 views
The volume of a sphere is increasing at the rate of 5 cm.cm.per second .Find the rate of increase of the radious and surface
1. 1 answer
2. asked by Manu
3. 459 views
A pendulum bob has its maximum speed as 5m/s at lowest position o. Calculate the height of the Bob above o,where its velocity is
1. 2 answers
2. asked by zulaiykherh
3. 929 views
Please help me with the formula of determining between which 2 integers does 3 sqrt lies
1. 1 answer
2. asked by KATLEGO
3. 361 views
What Is Enzymes
1. 1 answer
2. asked by ABEL
3. 374 views
Define Rocks
1. 2 answers
2. asked by Anonymous
3. 373 views
Suppose some natural disaster iccured and a dpecies of finch is forced to relocate from its original island where it dined on
1. 1 answer
2. asked by Anonymous
3. 572 views
A bullet of mass 40g strikes a stationary wooden block of mass 6kg horizontally at 500m/s the bullet goes through the block,and
1. 1 answer
2. asked by Lesedi
3. 803 views
Jared is scheduled to work for mc008-1.jpg of an hour at the school fair. He has already worked mc008-2.jpg of an hour. How much
1. 5 answers
2. asked by jared
3. 1,000 views
If 26.4 grams of nitrogen and 30.1 grams of oxygen combine to form nitrogen monoxide, how many grams of nitrogen monoxide must
1. 0 answers
2. asked by Anonymous
3. 1,018 views
If I have 12 yards of ribbon, how many 3/4 strips can I cut from it?
1. 4 answers
2. asked by Caleb
3. 537 views
A hotdog costs $1.27 more than twice the price of a sod. Write an expression that shows the price of a hot dog in relation to
1. 1 answer
2. asked by Kaleb
3. 595 views
plane leave jammu at 5 am and reached patna at 7.20 am flying at a speed of 600 km/h what will distance coveredby plane
1. 3 answers
2. asked by megha
3. 1,258 views
Enter the ratio as a fraction in lowest terms 5 ft. to 26 inches
1. 1 answer
2. asked by Marla
3. 1,156 views
Joe had a score of 72 on the Counseling Aptitude Scale, and the standard error of measurement of the scale is 3. Where would we
1. 2 answers
2. asked by A7
3. 665 views
Brazil's culture reflects what unique aspect of its colonial history?A) its Roman Catholic missionary roots B) its ties to the
1. 2 answers
2. asked by Anon
3. 755 views
If a client has a personality disorder, it:a. Will be readily apparent in the first session b. Can be readily assessed with the
1. 2 answers
2. asked by A7
3. 1,188 views
An expansible ballon filled with air floats on the surface of a lake with 2/3 of its volume submerged .How deep must it be sunk
1. 0 answers
2. asked by Aryan
3. 637 views
Why do presidents prefer federal judges who tend to agree with their views?
1. 2 answers
2. asked by Emily
3. 2,008 views
What is the impact of welcoming newcomers to a community?
1. 0 answers
2. asked by Boitumelo
3. 1,546 views
1.A Speed Of A Bullet Of Mass 20g Is 200km/h. What Is The Kinectic Energy.
1. 1 answer
2. asked by Elijah
3. 424 views
At what rate of compound interest will a sum of money become 2.25of itself in 2 years?
1. 1 answer
2. asked by AnnA
3. 434 views
You work for President Lula's government. You are most likely to supportA) tax cuts for corporations.**** B) privatization of
1. 1 answer
2. asked by Anon
3. 754 views
What intermolecular forces are responsible for neoprene's stretchiness?
1. 0 answers
2. asked by Ben
3. 587 views
the measure of pair of adjacent sides of a parallelogram are 15cm and 20cm.if the length of one diagonals is 25cm find the area
1. 1 answer
2. asked by Biswa
3. 655 views
The density of diamond is 3.51 g/cm^3 and the density of platinum is 21.43g/cm^3. If equal masses of diamond and platinum are
1. 1 answer
2. asked by summer
3. 1,693 views
if you burned 3.0 g of magnesium and produced 5.0 g of product how much oxygen gas was used ?
1. 1 answer
2. asked by madison
3. 601 views
The density of diamond is 3.51g/cm^3,and the density of platinum is 21.43g/cm^3.If equal masses of diamond and platinum are
1. 1 answer
2. asked by summer
3. 1,357 views
find the sum of each arithmetic series(a)5+8+11+....to 20 terms
1. 1 answer
2. asked by machaka
3. 382 views
Consider the function f(x) = -3x+2. Notice the limit of f(x) as x approaches 1 is -1. Find a value for delta such that is the
1. 1 answer
2. asked by Jeff
3. 417 views
At the beginning of soccer practice a water cooler contained 5 gallons of water. At the end of practice the water cooler is only
1. 5 answers
2. asked by Crystal
3. 1,174 views
A 0.5kg object is given an initial velocityof 3m/s after when it slides a distance of 8m across a level floor whatis the
1. 1 answer
2. asked by king david
3. 775 views
Projective techniques, as distinguished from other personality instruments, have usually been designed to measure the:a. Level
1. 2 answers
2. asked by Anonymous
3. 1,598 views
Assuming complete dissociation, what is the molality of an aqueous solution of KBr whose freezing point is -2.95 ∘C? The molal
1. 0 answers
2. asked by Anonymous
3. 1,344 views
As the candle burns,its length decreases at a rate of 2cm every 20minutes. Write down the equation to calculate the length of
1. 1 answer
2. asked by Edward
3. 570 views
Consider the following reaction:Zn (s) + 2HCl (aq) ---> ZnCl2 (g) + H2 (g) If the reaction has a 68.4% yield, how many grams of
1. 1 answer
2. asked by Lacey
3. 1,174 views
A gas mixture consists of equal masses of methane (molecular weight 16.0) and argon (atomic weight 40.0). If the partial
1. 1 answer
2. asked by Andrew
3. 8,005 views
A gas mixture consists of equal masses of methane (molecular weight 16.0) and argon (atomic weight 40.0). If the partial
1. 2 answers
2. asked by Andrew
3. 846 views
the signal to a speaker causes 5 amps of current .the signal level is increased to 2.5 amps. what is the gain rounded to the
1. 0 answers
2. asked by josefine
3. 1,130 views
A 0.446-gram sample of iron ore is dissolved in HCl and the iron (Fe solid) is reduced to Fe2+. The solution is then titrated by
1. 0 answers
2. asked by Kayla
3. 608 views
Juan rides his motorcycle 168 miles in 3 hours 30 minutes. What is his average speed in miles per hour?
1. 1 answer
2. asked by ...
3. 520 views
Need help with my last question!Given the following reaction: 2NH3 (g) + 5F2 (g) ---> N2F4 (g) + 6HF (g) If 4.00 g of NH3 and
1. 1 answer
2. asked by kaitie
3. 937 views
Students measure the velocity of a car as it races along a track in a clockwise direction. Their measurements are detailed
1. 1 answer
2. asked by Stephen
3. 504 views
Consider the following generic equation:3A + B ---> 2C + D 2.0 mol A and 1.0 mol B react to form 1.0 mol C. What is the percent
1. 1 answer
2. asked by Tyler
3. 634 views
Sarin is a nerve gas with a chemical formula of C4H10FO2P. What is the mass of one molecule of sarin?
1. 0 answers
2. asked by Madi
3. 432 views
How many sulfur atoms are present in 0.25 mol of Al2S3?
1. 1 answer
2. asked by Patti
3. 612 views
A piece of metal has a mass of 0.010107 kg. When it was placed into a 100-mL graduated cylinder containing 30.0 mL of water, the
1. 1 answer
2. asked by tammi
3. 827 views
An isotope, X, of a particular element has an atomic number of 15 and a mass number of 31.Which of the following statements are
1. 1 answer
2. asked by dillon
3. 802 views
In my upcoming lab we are extracting caffeine from tea through distillation. I was wondering why adding CaCO3 helps this
1. 0 answers
2. asked by Andy
3. 403 views
Ava's dog weighs 52 kilograms. Marty's dog weighs 3/4 as much. How much does Marty's dog weigh?
1. 1 answer
2. asked by BlueSparkles
3. 617 views
Janie is making fruit bars for the bake sale. She uses 1/4 cup of sugar for each batch she makes. She uses 8 cups of sugar to
1. 1 answer
2. asked by jammie
3. 461 views
Approximately 2% percent of the people in the world have red hair. There are about 7,000,000, people in the world.About how many
1. 2 answers
2. asked by greg
3. 534 views
Marsha has $60.00 . 2/3 of marsha's money is equal to 1/2 of Joanne's money .how much money does Joanne have ?
1. 2 answers
2. asked by Crystal
3. 532 views
Does F(x)=9-x^2 satisfy the hypothesis of the mean value theorem on the interval [0,3]? if it does, then find the exact values
1. 1 answer
2. asked by Angie
3. 690 views
translate this sentence44is the difference of Rita's age and 12 in an equation .
1. 3 answers
2. asked by nicole
3. 1,245 views
At some distance from a point charge, the electric potential is 566.0 V and the magni- tude of the electric field is 246.0 N/C.F
1. 0 answers
2. asked by Anonymous
3. 719 views
Two alpha particles (helium nuclei), each consisting of two protons and two neu- trons, have an electrical potential energy of
1. 1 answer
2. asked by Anonymous
3. 2,118 views
16x^2+4x^x-1-12=0
1. 0 answers
2. asked by Ulubi
3. 350 views

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