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Questions Asked on January 13, 2013

The principal quantum number of the electrons that are lost when tungsten forms a cation is ?Tungsten is a transition metal.
1. 1 answer
2. asked by koolchem
3. 4,037 views
#37whenever scientist carefully measure any quantity many times they expect that: a. all the measurements will be exactly the
1. 3 answers
2. asked by ?
3. 3,370 views
The atomic number of an electrically neutral atom is equal to the number of:Choose all that apply. Neutrons Electrons Protons I
1. 4 answers
2. asked by Kyle
3. 3,304 views
at 20 C the vapor pressure of dry ice is 56.5 atm. if 32 g of dry ice is placed in an evacuated .25 l chamber at a constant
1. 1 answer
2. asked by david
3. 2,993 views
Which of the following solutions would have the highest osmotic pressure?0.15 M KCl 0.2 M C6H12O6 0.2 M C12H22O11 0.2 M CH3COOH
1. 1 answer
2. asked by Janet
3. 2,914 views
Sound is passing perpendicularly through an open window whosedimensions are 1.1 m � 0.75 m. The sound intensity level is 95 dB
1. 1 answer
2. asked by not sure
3. 2,576 views
Natalia picked 7 1/6 bushels of apples today and 4 5/8 bushels yesterday. How much more did she pick today?
1. 6 answers
2. asked by Anonymous
3. 2,414 views
A pizza box top with a square base is to be made from a rectangular sheet of cardboard by cutting six 1-inch squares from the
1. 1 answer
2. asked by Barb
3. 2,332 views
Suppose the charge q2 can be moved left or right along a line connecting charges q1 and q3. Given that q = +15 µC, find the
1. 1 answer
2. asked by stoic-rider77
3. 2,308 views
A collision occurs between two pucks on an air-hockey table. Puck A has a mass of 0.020 kg and is moving along the x axis with a
1. 2 answers
2. asked by Miranda
3. 2,295 views
Which compound has a higher boiling point and why?a. PF3 b. PF5
1. 2 answers
2. asked by Jim
3. 2,279 views
theatre sold the students tickets for Rs Rs3.25 and full price ticket Rs 5. on saturday 16 more fullprice ticket sold than
1. 3 answers
2. asked by Anonymous
3. 2,234 views
list two things that car manufacturers do to improve a car's efficiency
1. 3 answers
2. asked by max
3. 2,077 views
How do you write the chemical equation of the dissociation of nicotinic acid, C5H4NCOOH, in water?
1. 1 answer
2. asked by Alisha
3. 1,964 views
The Lewis structure of PF3 shows that the central phosphorus atom has __________ nonbonding and __________ bonding electron
1. 2 answers
2. asked by Anon
3. 1,960 views
A point is equidistant from (-2,4) and (3,5). It is also equidistant from (-2,-3) and (6,-1). Find the pointPlease I need Help
1. 1 answer
2. asked by Lance
3. 1,780 views
A chemist decomposes several samples of carbon monoxide into carbon and oxygen and weighs the resultant elements. The results
1. 2 answers
2. asked by patrick
3. 1,683 views
Discuss the possible communication methods between the officer and his/her agency.
1. 8 answers
2. asked by KARINA
3. 1,502 views
A clothing store ordered 300 sweaters and sold 20 of them at $100 the first week. The second week, the selling price was lowered
1. 4 answers
2. asked by Crystal
3. 1,486 views
The Lewis structure of shows that the central phosphorus atom has __________ nonbonding and __________ bonding electron pairs.Is
1. 5 answers
2. asked by koolchem
3. 1,382 views
How many equilateral triangles in the plane have two vertices in the set {(0,0), (0,1),(1,0),(1,1)}?
1. 1 answer
2. asked by meep
3. 1,375 views
An aircraft takes off and climbs at a constant 29 degree angle until it reaches and altitude of 6 miles. At that point, how far
1. 1 answer
2. asked by Imani
3. 1,344 views
A coil of 50 turns has a cross-sectional area of 4.2x10^-3 m^2. It is placed at an angle to a uniform magnetic field of flux
1. 2 answers
2. asked by Amy
3. 1,341 views
you read about a rope and pulley machine that was able to produce equal amounts of output work. was this a realistic example why
1. 0 answers
2. asked by ricardo
3. 1,334 views
a red blood cell travels at a speed of 40 cm/s in a large artery. a sound with a frequency of 100 kHz enters a blood opposite
1. 2 answers
2. asked by aris
3. 1,314 views
A standard problem in mathematics is to measure the area under a curve (or to integrate the function defining the curve). A
1. 2 answers
2. asked by Anonymous
3. 1,266 views
Two forces are applied to a car in an effort to accelerate it, as shown below. The first force, F1 = 364 N, is applied at an
1. 0 answers
2. asked by Dave Lynn
3. 1,238 views
In one cycle, an engine burning a mixture of air and methanol (methyl alcohol) absorbs 525 J and expels 413 J.How much work is
1. 1 answer
2. asked by please help
3. 1,233 views
Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15
1. 2 answers
2. asked by Larry
3. 1,200 views
A 4.90-kg ball, moving to the right at a velocity of +2.50 m/s on a frictionless table, collides head-on with a stationary
1. 2 answers
2. asked by Miranda
3. 1,192 views
a car tire has a diameter of 3.5ft. How many revoulutions does each tire make if the car travelled 400ft ?
1. 1 answer
2. asked by lovebugg
3. 1,167 views
#16the inner core of the earth is solid because of increased__________ a> density and composition b> density and temperature c>
1. 1 answer
2. asked by ?
3. 1,162 views
There is also a graph i can't move it.Building Isochrons and Determining the Ages of Three Rocks Page 15 of 17 For each of the
1. 1 answer
2. asked by Robin
3. 1,144 views
What 3 elements and introductory paragraph in an essay have?1 hook 2 thesis statement 3????????
1. 1 answer
2. asked by Darcy
3. 1,116 views
I need to write the equation for the neutralization reaction of NaOH and nicotinic acid (C5H4NCOOH). Here is my attempt:C5H4NCOO
1. 1 answer
2. asked by Alisha
3. 1,112 views
A 33.1 g ring that appears to be silver is heated to a temperature of 77°C, and then placed in a calorimeter containing 5.00
1. 0 answers
2. asked by I'm going to die please help
3. 1,110 views
When one gallon of gasoline is burned in a car engine, 1.20 108 J of internal energy is released. Suppose that 0.99 108 J of
1. 0 answers
2. asked by please help
3. 1,103 views
The masses of the earth and moon are 5.98 × 1024 and 7.35 × 1022 kg, respectively. Identical amounts of charge are placed on
1. 1 answer
2. asked by Anonymous
3. 1,083 views
A clerk moves a box of cans down an aisle by pulling on a strap attached to the box. The clerk pulls with a force of 188.0 N at
1. 1 answer
2. asked by T.J.
3. 1,071 views
The inner core of the Earth is solid because of increased___________a.)density and composition b.)density and temperature
1. 1 answer
2. asked by ?
3. 1,066 views
Two charges are placed on the x axis. One of the charges (q1 = +7.91C) is at x1 = +3.00 cm and the other (q2 = -27.3C) is at x2
1. 1 answer
2. asked by Anonymous
3. 1,052 views
Determine the size of the M1 money supply using the following information.Currency $700 billion Money market mutual funds $2,000
1. 23 answers
2. asked by Jason
3. 1,046 views
Supposea+4b+9c+16d+25e=-13, 4a+9b+16c +25d +36e =-8, 9a+16b+25c+36d+49e=3, Find the value of 16a+25b+36c+49d+64e=?
1. 3 answers
2. asked by Anonymous
3. 1,045 views
which of the following element are found in the Earths crust?iron oxygen calcium all of the above
1. 4 answers
2. asked by ?
3. 1,018 views
Tom planted 81 plants in his garden at a total cost of $21.85. The 81 plants consisted of peppers at 20 cents each tomatoes at
1. 1 answer
2. asked by Kim
3. 1,016 views
Zaineb is deciding whether to buy a stereo at $695 plus GST and PST now, or to invest the money to buy the stereo in a year. Her
1. 1 answer
2. asked by jessica
3. 1,010 views
1. Balance the reaction below, then use it to answer the following questions.C2H2(g)+O2(g)-->CO2(g)+H2O(l) a) How many grams of
1. 1 answer
2. asked by Anonymous
3. 1,001 views
#40which type of rock is a result of a rock changing by heat and pressure? a. metamorphic rock b. igneous rock c. sedimentary
1. 3 answers
2. asked by ?
3. 981 views
You kick a .3kg soccer ball at a 30deg. angle. your toe provides an average force of 50N for .5m. How far does the ball go?
1. 0 answers
2. asked by jim
3. 974 views
How much oil will dissolve in the surfactant-water solution if the concentration of surfactant falls in region A?
1. 1 answer
2. asked by Anonymous
3. 956 views
Please Help!!!·In previous weeks, you examined the professional code of ethics for a field in criminal justice and analyzed
1. 1 answer
2. asked by Everett Douglas
3. 948 views
How many minutes before 1:00 pm was 88minutes ago 3 times the minutes after 10:00 am
1. 1 answer
2. asked by Anonymous
3. 934 views
in what ways was the economy different in 1860 from what it had been in 1800? how would you explain those differences?
1. 0 answers
2. asked by Anonymous
3. 931 views
Nadia has 32 coins made up of nickles, dimes, and quarters. The sum of the number of nickels and the number of quarters is three
1. 0 answers
2. asked by Sara
3. 924 views
#11The state fossil of Nevada is the "Ichthyosaur", a dinosaur that lived in salt water. Why are so many of these fossils found
1. 2 answers
2. asked by ?
3. 924 views
In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A
1. 0 answers
2. asked by adam
3. 917 views
Suppose you put your lunch up on a shelf. Name two kinds of energy it has, and explain why.I think it would have potential
1. 1 answer
2. asked by maya
3. 903 views
i have to make a slideshow on urbanization in africa and i need help
1. 1 answer
2. asked by Gabby
3. 897 views
Suppose the charge q2 in the figure below can be moved left or right along the line connecting the charges q1 and q3. Given that
1. 1 answer
2. asked by stoic-rider77
3. 895 views
(a) A pressure vessel contains a large volume of CO2 gas at 10 atm pressure. A membrane composed of a poly(ether ketone) polymer
1. 4 answers
2. asked by ani
3. 893 views
why it is taken 85ml of hcl for 1 lt of solvent according to I.P. while it is 43.02ml of hcl when it is calculated?
1. 0 answers
2. asked by shaziya
3. 890 views
help me solve: find x in cos^2x - 2 sinx cosx - sin^2x = 0
1. 1 answer
2. asked by gopi
3. 887 views
at 20 C the vapor pressure of dry ice is 56.5 atm. if 32 g of dry ice is placed in an evacuated .25 l chamber at a constant
1. 1 answer
2. asked by david
3. 877 views
Base is 16 cm squared, Width is 2.5 cm. what is the perimeter and height
1. 1 answer
2. asked by donna
3. 873 views
If we burn a strip of magnesium in air, there will be two main products, magnesium oxide and magnesium nitride. If we then treat
1. 1 answer
2. asked by Maggie
3. 864 views
A 12-year-old boy presents with his father to the ER due to open wounds to his arm' hand, and upper leg. The injury occurred
1. 0 answers
2. asked by Julie
3. 863 views
I have a board 18" x 18" x 1/8"I need to support it in an upright position at a 15 degree angle. How big must the base of
1. 0 answers
2. asked by Anna
3. 863 views
A 93 kg clock initially at rest on a horizontal floor requires a 614 N horizontal force to set it in motion. After the clock is
1. 1 answer
2. asked by Josh Templin
3. 854 views
use exponent rules to simplify. Write as a single power, don't need to find the value.[ (11/20)^4 x (11/20)^-8]^5 and (11/20)^-6
1. 3 answers
2. asked by Molly
3. 846 views
Find the correct end behavior for a given polynomial function.3.36x^4+8x^2+x-9
1. 1 answer
2. asked by Wilson
3. 836 views
I responded to that chocolate milk/ice problem. Here is a link to it.http://www.jiskha.com/display.cgi?id=1357962576#1357962576.
1. 0 answers
2. asked by DrBob222
3. 823 views
The ________the concentration of HIV in semen or genital fluids, the more likely it is that HIV will be transmitted to a sex
1. 2 answers
2. asked by sam
3. 819 views
In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A
1. 0 answers
2. asked by Anonymous
3. 809 views
Maria normally spends a half-hour driving to work. When her average speed is ten miles per hour slower than usual, the trip
1. 1 answer
2. asked by meep
3. 806 views
Calculate the molecular weight of a small protein if a 0.32 g sample dissolved in 161 mL of H2O has an osmotic pressure of 9.0
1. 1 answer
2. asked by Robby
3. 800 views
1.What was the new deal's legacy?2. new measures were taken during the new deal and what agencies were formed?
1. 2 answers
2. asked by Alexander
3. 791 views
A 0.155 kg baseball is thrown upward with an initial speed of 14.5 m/s.What is the force on the ball when it reaches half of its
1. 1 answer
2. asked by Dylan G.
3. 785 views
sphere A has a mass of 4.2*10^-2 kg and is tethered to a wall by a thin thread. Sphere a has an excess of 1.2 *10^12 electrons.
1. 1 answer
2. asked by josh
3. 776 views
"How was the free-trade trial of 1849 a victory for the Metis?"Was it because the 4 Metis offenders were given mercy and it also
1. 0 answers
2. asked by Sophie
3. 769 views
Solutions are made that contain 0.1 moles of each of the following compounds below in 100g of H20. Choose the compound whose
1. 1 answer
2. asked by Janet
3. 754 views
Nadia has 32 coins made up of nickles, dimes, and quarters. The sum of the number of nickels and the number of quarters is three
1. 1 answer
2. asked by Sara
3. 745 views
What is the kd of ethanoic acid between isobitanol and water?
1. 2 answers
2. asked by cyprian
3. 740 views
my tens digit is 3 less than my hundredths digit. The difference between my tenths and hundredths digit is 5. The sum of my
1. 2 answers
2. asked by jericho
3. 730 views
Two pieces of metal (A and B) are identicalin every way, except that A has a much larger thermal expansion coefficient. If equal
1. 2 answers
2. asked by physicshelp
3. 727 views
When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational
1. 0 answers
2. asked by I'm going to die please help
3. 722 views
did the industrial and market revolutions make america a more or less republican society? how so?
1. 1 answer
2. asked by Anonymous
3. 715 views
100 Liters of air at STP is slowly bubbled through 200ml of 0.03N Ba(OH)2 solution. The Baco3 formed due to reaction is filtered
1. 0 answers
2. asked by Fai
3. 715 views
theatre sold the students tickets for Rs Rs3.25 and full price ticket Rs 5. on saturday 16 more fullprice ticket sold than
1. 1 answer
2. asked by mala
3. 712 views
A point is equidistant from (-2,4) and (3,5). It is also equidistant from (-2,-3) and (6,-1). Find the pointPlease I need Help
1. 0 answers
2. asked by Lance
3. 709 views
Kerry Stutsman has $500 in a saving account earning .45% interest. She is considering buying a 1-year certificate of deposit
1. 1 answer
2. asked by Anonymous
3. 695 views
The principal quantum number of the electrons that are lost when tungsten forms a cation is ?Tungsten is a transition metal.
1. 1 answer
2. asked by koolchem
3. 690 views
A 1060 N crate is being pulled across a level floor by a force F of 300 N at an angle of 35° above the horizontal. The
1. 1 answer
2. asked by Lauren Miller
3. 672 views
Could someone tell me if I have done my essay the right way? Please its due Monday??"The internet is a much easier resource for
1. 1 answer
2. asked by Jake
3. 671 views
Consider the following class definition:class Frob(object): def __init__(self, name): self.name = name self.before = None
1. 1 answer
2. asked by Anonymous
3. 669 views
An electron moving at a speed of 5 multiply by 10 raise to power six m/s was shot through a sheet of paper which is 2.1 multiply
1. 1 answer
2. asked by Anonymous
3. 668 views
a cylindrical tank with diameter 2.0m and height 3.2m is to be filled with water. how many litres of water are needed to fill
1. 1 answer
2. asked by laf
3. 654 views
What is Mass % of an aqueous NaOH solution in which molality of NaOH is 16.7m? Density of the solution is 1.4339g/ml
1. 1 answer
2. asked by Janet
3. 652 views
A 20.0 mL sample of gastric juice was taken from a patient suspected of having hypochloridia (low stomach acid). The sample was
1. 3 answers
2. asked by stoic-rider77
3. 648 views
A 4.2 kg rock is initially at rest at the top of a cliff. Assuming the rock falls into the sea at the foot of the cliff and that
1. 1 answer
2. asked by I'm going to die please help
3. 648 views
What does this statement means?He believed that political liberty threatened the efficiency of the stare with anarchy.
1. 0 answers
2. asked by Lucy
3. 646 views

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