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Questions Asked on October 28, 2010

If 2.0 J of work is done in raising 180 g apple how far is it lifted?I would assume that 2/180 = x but I divided it and it does
1. 3 answers
2. asked by Pablo
3. 5,385 views
An ant walks on a piece of graph paper straight along the x axis a distance of 10.0 cm in 2.20 s. It then turns left 30.0
1. 1 answer
2. asked by bobjahng
3. 4,892 views
Consider the following reaction:2 SO2 (g) + O2 (g)----> 2 SO3 (g) If 285.3 mL of SO2 is allowed to react with 158.9 mL of O2
1. 5 answers
2. asked by Jarrod
3. 4,524 views
The enthalpy of vaporization of mercury is 59.1 kJ/mol. The normal boiling point of mercury is 357*C. What is the vapor pressure
1. 2 answers
2. asked by Anonymous
3. 4,412 views
HCl(aq) + NaOH(aq) -> NaCl(aq) + H2O(l)NH4Cl(aq) + +NaOH(aq) -> NH3(aq) + NaCl(aq) + H2O(l) NH3(aq) + HCl(aq) -> NH4Cl(aq) Write
1. 1 answer
2. asked by Anonymous
3. 3,970 views
How many grams of chlorine gas are present in a 150. liter cylinder of chlorine held at a pressure of 1.00 atm and 0.0 °C?
1. 4 answers
2. asked by gie
3. 3,567 views
How many 1/6s are in 1?How many 1/6s are in 1/2 ?
1. 11 answers
2. asked by Susan
3. 3,281 views
A soccer ball of diameter 32 cm rolls without slipping at a linear speed of 2.4 m/s. Through how many revolutions has the soccer
1. 2 answers
2. asked by linda
3. 3,123 views
Read a news story about religious conflict somewhere in the world. Do some research to determine the history behind the
1. 5 answers
2. asked by JonG
3. 2,787 views
A solution of ethanol (C2H5OH) in water is prepared by dissolving 61.9 mL of ethanol (density = 0.79 g/cm3) in enough water to
1. 3 answers
2. asked by Andrea
3. 2,706 views
A 70kg man stands on a bathroom scale in an elevator. As the elevator starts moving, the scale reads 90kgIs the elevator
1. 2 answers
2. asked by help
3. 2,488 views
Zn is less active than Mg. Write the equations describing what occurs when ou mix: a)Zn with 0.5M magnesium chloride, MgCl2 b)Mg
1. 2 answers
2. asked by shannon
3. 2,455 views
What are the basic elements of an effective medical office financial policy?In what ways do medical office procedures support
1. 4 answers
2. asked by me
3. 2,426 views
"He manages to portray tiny, random events as significant without the occasionally overblown melodrama . . . "so im suppose to
1. 3 answers
2. asked by danny
3. 2,391 views
x2-x-1806=0 by completing the square
1. 3 answers
2. asked by saad
3. 2,374 views
The function f(x)=(x+6)^2 is not one-to-one. Choose the largest possible domain containing the number 0 so that f(x) restricted
1. 1 answer
2. asked by Jessica
3. 2,325 views
7. If the baking soda had not been added, would there still have been a source of carbon dioxide being introduced into the
1. 2 answers
2. asked by rosalie danenberg
3. 2,198 views
A worker pushes a 1.50*10^3 N crate with a horizontal force of 345 N a distance of 24.0 m. Assume the coefficient of kinetic
1. 1 answer
2. asked by Pablo
3. 2,089 views
A car accelerates from rest at 7.9 m/s2.How much time does it need to attain a speed of 5 m/s?
1. 1 answer
2. asked by john smith
3. 2,050 views
1. Calculate the number of moles of carbon atoms present in 2.4g of ethanol (C2H6O).2. What is the % Nitrogen by weight in 3.696
1. 2 answers
2. asked by Jessica
3. 2,001 views
the area A of a triangle with base b and height h is given by A=1/2bh,find the area when b=28m(meters) and h=38m. The area is m
1. 3 answers
2. asked by CeCe
3. 1,974 views
prove that the functionf(x) = (x^101)+(x^51)+x+1 has neither a local maximum nor a local minimum
1. 1 answer
2. asked by Sasha
3. 1,947 views
Can someone help me with Sidney Sonnet 31 and 39 questions?The sonnets are at the bottom if you need them. 1. The unifying theme
1. 3 answers
2. asked by Darren
3. 1,938 views
A 35.0 mL sample of 0.150 M acetic acid is titrated with 0.150 M NaOH solution. Calculate the pH after the following volumes of
1. 3 answers
2. asked by Anonymous
3. 1,867 views
Write a well-organized essay analyzing the effectiveness of propaganda in a World War I poster. Remember that you will be graded
1. 7 answers
2. asked by rosalie danenberg
3. 1,773 views
Could someone please check my answers. Thank you!1. Patient Stevens has been prescribed Vascotec for hypertension. The purpose
1. 11 answers
2. asked by *
3. 1,704 views
A 2.85-g sample containing only MgO and CuO is placed in a 3.00-L container. The container is filled with CO2 to a pressure of
1. 2 answers
2. asked by thomas richards
3. 1,676 views
Two 7-sided polygons are similar. A side of the larger polygon is 6 times as long as the corresponding side of the smaller
1. 1 answer
2. asked by darnell darling
3. 1,627 views
a roll of carpet 9 ft wide is 30 ft longer than a roll of carpet 15 ft wide. both rolls have the same area. make a sketch and
1. 3 answers
2. asked by ariana
3. 1,610 views
Saccharin (C7H5NO3S) is sometimes dispensed in tablet form. Ten tablets with total mass of 0.5797 g were dissolved in water. The
1. 1 answer
2. asked by Anonymous
3. 1,602 views
A 1.5 spider is dangling at the end of a silk thread. You can make the spider bounce up and down on the thread by tapping
1. 1 answer
2. asked by pdaniel
3. 1,552 views
what is the percent by volume of 15.0 mL of ethanol in 0.250 L of water?
1. 1 answer
2. asked by LD
3. 1,493 views
a set of data is normally distributed with a mean of 500 and a standard deviation of 100.a) what would the standard score fora
1. 2 answers
2. asked by mary- can someone please solve,lost
3. 1,478 views
I need the molecular, ionic and net ionic equations for Potassium carbonate and hydroiodic acid........i'm clueless please help
1. 1 answer
2. asked by Stacy
3. 1,473 views
Find the area under the curve below from x = 0 to x = 2. Give your answer correct to 3 decimal places.y = 2x - x2
1. 2 answers
2. asked by Anonymous
3. 1,448 views
A satellite has a mass of 5850 kg and is in a circular orbit 4.50 x 10^5 m above the surface of a planet. The period of the
1. 0 answers
2. asked by Anonymous
3. 1,436 views
Six roller-coaster carts pass over the same semicircular "bump." The mass M of each cart (including passenger) and the normal
1. 0 answers
2. asked by mike
3. 1,425 views
Expanding the Canon . . . tends to drive out the better writers, sometimes even the best, because pragmatically none of us
1. 4 answers
2. asked by danny
3. 1,407 views
An oil refinery is located on the north bank of a straight river that is 2 km wide. A pipeline is to be constructed from the
1. 2 answers
2. asked by Calculus
3. 1,403 views
a cylinder has a radius of 3cm and a length of 10cm every dimention of the cylinder is multiplied by 3 to form a new cylinder
1. 6 answers
2. asked by Courtney
3. 1,400 views
What is the probability density at the fifth carbon atom if the electron is in the n=2 energy level?I have the formula as
1. 1 answer
2. asked by Student
3. 1,379 views
When you suddenly stand up after lying down for a while, your body may not compensate quickly enough for the pressure changes
1. 2 answers
2. asked by Erica--help!
3. 1,334 views
What volume of 0.0482 M Ba(OH)2 is required to neutralize exactly 16.10 mL of 0.141 M H3PO4? Phosphoric acid contains three
1. 1 answer
2. asked by justin
3. 1,326 views
A football is kicked from the ground at 27 m/s at an angle of 42 degrees above the horizontal (ground). No one gets in the way
1. 1 answer
2. asked by Sandy
3. 1,323 views
Find the exact value ofSin ( sin-1. 9/41 - cos-1 (-5/13)
1. 1 answer
2. asked by Kk
3. 1,316 views
the ratio of horseshoes to shamrock was 11 to 2, and five times the number of shamrocks was 3 less than the number of
1. 1 answer
2. asked by darnell darling
3. 1,262 views
AgI (aq) + NH3 (aq) -->
1. 2 answers
2. asked by anon
3. 1,254 views
Cu (I): CN-Pb2+: CN-, SO3^2-, PO3^3-,MnO4- Ca2+: CN- Al3+: CN-, SO3^2-, PO3^3-,MnO4- Cr5+: CN-, SO3^2-, PO3^3-,MnO4- Pb4+: CN-
1. 2 answers
2. asked by Nick
3. 1,248 views
Data Table: Rate of PhotosynthesisTrial # Number of Bubbles/Minute 1 2 3 4 5 6 7 8 9 10 Trial 1 1 4 6 9 10 12 13 15 18 20 Trial
1. 0 answers
2. asked by rosalie danenberg
3. 1,231 views
Use a linear approximation (or differentials) to estimate the given number(2.001)^5
1. 2 answers
2. asked by help
3. 1,221 views
a rectangle is defined by the vertices A(-6,5), B(12,-1), C(8,-13), and D(-10,-7). prove that the diagonals are equal in length
1. 1 answer
2. asked by Ted
3. 1,214 views
Uranium hexafluoride is a solid at room temperature, but it boils at 56°C. Determine the density of uranium hexafluoride at
1. 1 answer
2. asked by Mattie
3. 1,209 views
1. What was the first PERMANENT European colony in North America?hope someone can help!!
1. 7 answers
2. asked by JJ
3. 1,207 views
a water cooler contains 5 gallons of water.if drink 3/5 gallon for each of the next 6 days how many gallons will be left in
1. 19 answers
2. asked by niki
3. 1,202 views
Suppose that 430 ft of fencing is used to enclose a corral in the shape of a rectangle with a semicircle whose diameter is a
1. 0 answers
2. asked by Help asap!! plz
3. 1,183 views
Which statements describe pandemics?1) confined to a specific geographic area 2) easily spread to new areas 3) highly contagious
1. 3 answers
2. asked by JonG
3. 1,158 views
A football is kicked from the ground at 27 m/s at an angle of 42 degrees above the horizontal (ground). No one gets in the way
1. 1 answer
2. asked by Sandy
3. 1,156 views
explain whether each set is closed under the given operation {-1,0,1}multiplication?
1. 1 answer
2. asked by janey
3. 1,142 views
a car with bad shock absorbers bounces up and down with a period of 0.731s after hitting a bump. The car has a mass of 1850kg
1. 0 answers
2. asked by April
3. 1,131 views
tony is making flower arrangements. he is using 3 different kinds of flowers-roses, daisies, and tulips. each arrangement will
1. 2 answers
2. asked by jake
3. 1,123 views
A 280 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the
1. 0 answers
2. asked by david
3. 1,118 views
A ball (radius 0.2 m) is rolling on level ground toward an incline. If its velocity is 3 m/s, to what maximum height above the
1. 2 answers
2. asked by Alex
3. 1,115 views
disolving sucrose, NaCl< and calcium chloried affect the boiling point of frezing point of water. Assuming that you have 0.1m
1. 3 answers
2. asked by julia
3. 1,111 views
How to make into compounds to get a formula?Li+: Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4- Cu:Br-, O2-, CN-, SO3^2-, PO3^3-,MnO4-
1. 1 answer
2. asked by Jessica
3. 1,097 views
A 3.00 102 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above
1. 0 answers
2. asked by Anonymous
3. 1,097 views
she wants me to Compare the ancient monument of Stonehenge in England to the modern sculpture made by David Smith called “Cubi
1. 2 answers
2. asked by Jasmine
3. 1,094 views
what does this mean in latinHodie viis ad Europam ambulamus
1. 2 answers
2. asked by Anonymous
3. 1,086 views
find the absolute maximum and minimum values of f on the given intervalf(x)= (x^2-4)/(x^2+4), [-4, 4]
1. 1 answer
2. asked by help
3. 1,084 views
During the cell cycle, when does mitosis occur?
1. 1 answer
2. asked by Mark
3. 1,082 views
A house painter is standing on a uniform, horizontal platform that is held in equilibrium by two cables attached to supports on
1. 0 answers
2. asked by Jennifer
3. 1,080 views
Radiation in the ultraviolet region of the electromagnetic spectrum is quite energetic. It is this radiation that causes dyes to
1. 1 answer
2. asked by Noelle
3. 1,072 views
The base in the Sierpinski triangle has 1 white triangle and zero black triangles. The first iteration has 3 white triangles and
1. 2 answers
2. asked by anonymous
3. 1,072 views
Now imagine that you are conducting research on the length of time it takes customers to select items in a grocery store.Assume
1. 1 answer
2. asked by Gwendolyn Towns
3. 1,068 views
Determin whether Cd2+ can be separated from Zn2+ by bubbling H2S through a 0.3 M HCl solution that contains 0.005 M Cd2+ and
1. 1 answer
2. asked by bam
3. 1,066 views
I think that I already typed this in, but forgot to click on the submit question button. Could you please provide me with some
1. 3 answers
2. asked by TutoredOne
3. 1,061 views
all northern states outlawed slavery by state constitution in 1820. what effect did this have on sectionalism in america?
1. 1 answer
2. asked by pjl
3. 1,043 views
A 49.45 mL sample of solution containing Fe2+ ions is titrated with a 0.0103 M KMnO4 solution. It required 23.76 mL of KMnO4
1. 0 answers
2. asked by Anonymous
3. 1,041 views
Jan. 1 Merchandise inventory $144,200Jan. 1–Feb. 7 Purchases (net) 40,000 Jan. 1–Feb. 7 Sales (net) 70,000 Estimated gross
1. 0 answers
2. asked by Katie
3. 1,034 views
Use a linear approximation (or differentials) to estimate the given number(2.001)^5
1. 0 answers
2. asked by -__-
3. 1,024 views
Calculate the pH of a solution that is 0.060 M in potassium propionate(C2H5COOK or KC3H5O2) and 0.085 M in propionic acid
1. 1 answer
2. asked by Anonymous
3. 1,023 views
In how many ways can 5 ice cream toppings be chosen from 12 available toppings?
1. 1 answer
2. asked by cmb
3. 1,015 views
Suppose the graph of f is a parabola with vertex at (2,1). Suppose g(x) = 3 x + 2.a) What are the coordinates of the vertex of
1. 1 answer
2. asked by Jessica
3. 1,008 views
There are 420 calories in 2 1/4 cans of grape soda. How many calories are in 1 can of soda?
1. 4 answers
2. asked by Unknown.
3. 1,007 views
Please Help. I am not sure how to set up or do this problem. ThanksA car is traveling along a road, and its engine is turning
1. 2 answers
2. asked by bethany
3. 988 views
3x+4y=56x+8y=10
1. 7 answers
2. asked by Elimination method PLEASE HELP
3. 983 views
William Bennett earns $12,800 per year. He is paid 12 times per year and claims 1 exemption. His state taxes him at a 3% rate.
1. 2 answers
2. asked by mmm
3. 980 views
Determine the diameter of the largest circle that can be drawn between the parallel lines y=2x and y=2x-5.
1. 1 answer
2. asked by Peter
3. 979 views
A fan blade is rotating with a constant angular acceleration of +13.7 rad/s2. At what point on the blade, as measured from the
1. 1 answer
2. asked by JOHN
3. 978 views
I forgot to include the following few sentences. I really hope you can have a look at them, too. Thank you very much.1) In the
1. 1 answer
2. asked by Franco
3. 974 views
Which of the following is true about HIV testing?A. Testing isn't normally necessary as HIV symptoms manifest early and are
1. 1 answer
2. asked by Zinoviy
3. 973 views
How many atoms of mercury are present in 5.4 cubic cm of liquid mercury? The density of mercury is 13.55g/cc.mass Hg = volume x
1. 1 answer
2. asked by Jessica
3. 965 views
On Earth a rock falls an unknown vertical distance from a resting position and lands in a lake. If it takes the rock 2.5 seconds
1. 3 answers
2. asked by guy
3. 960 views
1. How do strategic, operational, and tactical planning differ? How might the three levels complement one another in an
1. 0 answers
2. asked by sebastian
3. 950 views
You have decided to use the case study method to investigate a mother's experience in raising a child with autism.What is an
1. 2 answers
2. asked by Gwendolyn Towns
3. 946 views
Vector A is given by A = c x + 6 y, and vector B is given by B = 4.8 x - 16.2 y, where x and y are the x and y unit vectors.
1. 1 answer
2. asked by sam
3. 941 views
How much heat energy is produced when 31.6 grams of propane are burned?I asked my teacher and she said it would be a
1. 2 answers
2. asked by Peanut
3. 940 views
Find the standard form of the equation of the circle.3(x+2)^2 + 3(y-1)^2=18 so i used this formula r^2 = (x+h^)2 + 3(y+k)^2 i
1. 1 answer
2. asked by K.C
3. 928 views
A chef is using a mixture of two brands of Italian dressing. The first brand contains 7% vinegar, and the second brand contains
1. 0 answers
2. asked by Tj
3. 928 views
this problem confused me.-5/-7x + -1/5x = - 3/5
1. 1 answer
2. asked by Anonymous
3. 926 views
A 2.000g sample of silver alloy was dissolved in nitric acid and then precipitated as AgBr. After drying, the sample of silver
1. 2 answers
2. asked by Cindy
3. 926 views

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