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Questions Asked on November 2, 2009

Which of the following is most likely to LOSE electrons when forming an ion?a. F b. P c. S d. Rh e. Se
1. 4 answers
2. asked by Jenny
3. 8,976 views
there are ___ molecules of methane (CH4) in 0.123 moles of methane?a. 16 b. 0.773 c. 2.46 x 10 -2 d. 7.40 x 10 22 e. 6.02 x 10
1. 5 answers
2. asked by Pandorah
3. 8,905 views
A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising
1. 2 answers
2. asked by Nikki
3. 4,178 views
How fast must a 1,000 kg car be moving to have a kinetic energy of: (a) 2.0 x 10^3, (b) 2.0 x 10^5, (c) 1.0 kW x h?How high
1. 2 answers
2. asked by britney
3. 3,530 views
Find the dimensions of the rectangle with minimum perimeter if its area is 400 square meters. Find the least perimeter.I know
1. 3 answers
2. asked by MUFFY
3. 3,332 views
Angle a lies in the second quadrant and sina=7/25.a) Determine an exact value for cos 2a b) Determine an exact value for sin 2a
1. 2 answers
2. asked by Anonymous
3. 3,317 views
a 22.5g sample of (NH4)2CO3 (ammonium carbonate) contains _____ moles of ammonium ions?
1. 2 answers
2. asked by ashlee
3. 3,189 views
A 0.190 kg piece of copper is heated and fashioned into a bracelet. The amount of energy transferred as heat to the copper is6.6
1. 1 answer
2. asked by arriell
3. 3,014 views
During aerobic respiration, glucose is broken down to form several end products. Which end products contain the carbon atoms
1. 2 answers
2. asked by Marlen
3. 2,599 views
the formaula for the compound formed between aluminum ions and phosphate ions is???a. Al3(PO4)3 b. AlPO4 c. Al(PO4)3 d.
1. 1 answer
2. asked by lisa
3. 2,220 views
How many molecules of carbon dioxide (CO2) are there in 88g of carbon dioxide?a. 1 b. 2 c. 88 d. 1.2 x 10 24 e. not enough info
1. 3 answers
2. asked by Dexter
3. 1,924 views
The distance from an observer on the plain to the top of a nearby mountain is 5.3km, and the angle between this line and the
1. 2 answers
2. asked by britt
3. 1,850 views
-CORRECTION-N2 + O2 --> 2 NO change in heat (delta H)= 43.2 kcal based on the reaction, which statement is true? a) 43.2 kcal
1. 2 answers
2. asked by Katie Y.
3. 1,680 views
Use the Pythagorean identity to show that the double angle formula for cosine can be written asa) cos2x = 1 - 2sin^2x b) cos2x =
1. 1 answer
2. asked by Anonymous
3. 1,668 views
In the ideal apparatus m1=2.0 kg. What is m2 if both masses are at rest? How about if both masses are moving at constant
1. 1 answer
2. asked by tom
3. 1,655 views
Please check and correct my answers. Thank you.1) Jack Benny can get blood from a stone. If he has x stones, the number of pints
1. 3 answers
2. asked by Anonymous
3. 1,626 views
Among employed women, 25% have never been married. Select 10 employed women at random. What is the mean number of women in such
1. 1 answer
2. asked by Sam
3. 1,616 views
if A=i+j, B=2i-3j+k and C=4j-3kfind (i) (AxB)xC & Ax(BxC)
1. 1 answer
2. asked by Peaklife
3. 1,572 views
What is the angular momentum of a 3.7kg uniform cylindrical grinding wheel of radius 25cm when rotating at 1500rpm?How much
1. 1 answer
2. asked by Taylor
3. 1,563 views
a sample of C3H8O that contains 200 molecules contain how many atoms?
1. 2 answers
2. asked by ashlee
3. 1,562 views
How can you tell an equation's real or imaginary roots just from its graph, without knowing the equation? I have to look ath the
1. 1 answer
2. asked by Anneliese
3. 1,534 views
The Measured voltage of the cell Pt H2 (1.0atm) H+ // Ag+ (1.0M) Ag ia 1.02 V at 25degrees. Gven E cell is 0.80V, calculate the
1. 1 answer
2. asked by Ali
3. 1,510 views
4.0 g of ferrous ammonium sulphate, FeS04(NH4)2 SO4 6H20, is used. The oxalate is in excess, calculate the theoretical yield of
1. 2 answers
2. asked by rasuka_geo
3. 1,509 views
If a graph shows time on the horizontal axis and speed on the vertical axis, a stright horizontal line across the graph would
1. 2 answers
2. asked by trina
3. 1,498 views
a 22.5g sample of (NH4)2CO3 (ammonium carbonate) contains_____ moles of ammonium ions.A. o.468 b. 0.288 C. 0.234 d. 2.14 e. 3.47
1. 1 answer
2. asked by Peter
3. 1,468 views
4. Give two reasons why graphite (carbon) electrodes are used in electrolysis.5. You have 2 compounds called X and Y. X melts at
1. 1 answer
2. asked by Nabiha
3. 1,406 views
According to a 2000 study by the Bureau of Justice Statistics, approximately 2% of the nation's 72 million children had a parent
1. 3 answers
2. asked by Sam
3. 1,394 views
the water in a swimming pool transfers 1.09 x 10^10 J of energy as heat to the cool night air. If the temp of the water, which
1. 2 answers
2. asked by arriell
3. 1,278 views
What are the reasonable limits in which the media should be allowed to cover governmental meetings in the media role of
1. 5 answers
2. asked by Angie
3. 1,268 views
"Poetry is the spontaneous overflow of powerful feelings; it takes its origin from emotion recollected in tranquility: the
1. 2 answers
2. asked by Naoto
3. 1,268 views
Sulfur and fluorine react in a combination reaction to produce sulfur hexafluoride:S (s) + 3F2 (g) SF6 (g) What is the minimun
1. 1 answer
2. asked by Courtne
3. 1,254 views
I am trying to find out what are parameters of persuasive writing. I tried to goggle it and all I got was links to essays that
1. 1 answer
2. asked by Lost
3. 1,253 views
Doug had scores of 80, 85, 75, and 80 on his first four exams in a course. a. Find the mean, median, and mode for these exam
1. 5 answers
2. asked by Anonymous
3. 1,236 views
if you're paying a bill for the office which has 5%, 10 days stamped across it, how much would you write a check for if you were
1. 1 answer
2. asked by Mina
3. 1,206 views
What linear speed must a 0.0495-kg hula hoop have if its total kinetic energy is to be 0.113 J? Assume the hoop rolls on the
1. 1 answer
2. asked by Emily
3. 1,153 views
You want to accumulate $1,000,000 in retirement funds by your 65th birthday. Today is your 30th birthday, and you plan on making
1. 1 answer
2. asked by priya
3. 1,152 views
prepare a defence for the proposition that the Divine Right of Kings is necessary to good government.i don't get it. what does
1. 7 answers
2. asked by lolli
3. 1,147 views
. Give two reasons why graphite (carbon) electrodes are used in electrolysis.5. You have 2 compounds called X and Y. X melts at
1. 0 answers
2. asked by Nabiha
3. 1,135 views
Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary
1. 1 answer
2. asked by VERONICA
3. 1,130 views
At the winter solstice, the power, in watts, received from the Sun on each square metre of Earth's surface can be modelled by
1. 1 answer
2. asked by Anonymous
3. 1,130 views
A Ferris wheel with a radius of 9.61 m rotates at a constant rate, completing one revolution every 34.1 s. Calculate the
1. 1 answer
2. asked by Emily
3. 1,107 views
Find the circumference of a circle with a radius of 5.5 in. Use 3.14 for and round your answer to one decimal place.
1. 2 answers
2. asked by Anonymous
3. 1,088 views
the temp of air in a foundry increases when molten metals cool and solidify. Suppose a 45 x 10^6 J of energy is added to the
1. 2 answers
2. asked by arriell
3. 1,084 views
When it is 10:00, the hour hand on an analog clock is 300 degrees ahead of the minute hand. How many minutes elapse (to three
1. 1 answer
2. asked by Emily
3. 1,063 views
For any constant c, define the function f_c(x)= x^3+2x^2+cx.(a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0,
1. 2 answers
2. asked by Sean
3. 1,044 views
Write the decimal equivalent, using the bar notation. 13/18b) Find the decimal equivalent of the mixed number. 6 3/5
1. 3 answers
2. asked by Anonymous
3. 1,037 views
8.00g of NaOH are dissolved in water to make 4.00 of solution. What is the concentration of hydronium ions, , in this solution?
1. 0 answers
2. asked by katy
3. 1,020 views
2) Earl’s production function is f(x1, x2) = x1^(1/2) * x2^(1/3), where x1 is the number of pounds of lemons he uses and x2 is
1. 0 answers
2. asked by Anonymous
3. 1,010 views
anatomy and physiology II Research Assignment
1. 1 answer
2. asked by Dionne
3. 984 views
literature - Jim, Monday, November 2, 2009 at 8:46amI need a start for a paper on how does literature reflect life and
1. 0 answers
2. asked by GuruBlue
3. 975 views
I'm having trouble with polynomials and adding them...(for some reason) How would I do this problem...(5a - 3asquared) - (-6a -
1. 1 answer
2. asked by Austin
3. 975 views
N2 + O2 --> 2 NO change in heat (delta H)= 43.2 kcalbased on the reaction, which statement is true? a) 43.2 kcal are consumed
1. 3 answers
2. asked by Katie Y.
3. 947 views
8.00 of are dissolved in water to make 4.00 of solution. What is the concentration of hydronium ions, , in this solution?
1. 1 answer
2. asked by katy
3. 947 views
The price for 2 tickets with online service charges, large popcorn and 2 medium soft drinks at a sample of 6 theater chains:
1. 0 answers
2. asked by Anonymous
3. 935 views
Two pucks collide on a level air-hockey table. Puck A has a mass of 0.0250 kg and is moving initially due eastward at a speed of
1. 1 answer
2. asked by John
3. 927 views
a bag contains 100 rocks and if 35 rocks removed what fraction of the rocks are left
1. 1 answer
2. asked by Connor
3. 902 views
A biologist is studying the epithelial cells in a variety of plants and animals. She counts the chromosomes in the epithelial
1. 3 answers
2. asked by Jenny
3. 889 views
2. A research team studied the ages of patients who had heart attacks caused by smoking. The ages of 34 patients who suffered a
1. 0 answers
2. asked by Roxanne Singleton
3. 866 views
A fence is to be built to enclose a rectangular area of 280 square feet. The fence along three sides is to be made of material
1. 0 answers
2. asked by Z32
3. 854 views
The circular surface of a table has a diameter of 3 ft. What will cost to have the top refinished if the company charges $5 per
1. 1 answer
2. asked by Anonymous
3. 835 views
Could you please check theseThanks you!!! Directions: Complétez Part 1 1. Au bord de la mer, on va à la ----------------.
1. 1 answer
2. asked by Diana
3. 830 views
For any constant c, define the function f_c(x)= x^3+2x^2+cx.(a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0,
1. 9 answers
2. asked by Sean
3. 829 views
in 1995 the life expectancy of males in a certain country was 68.7 yrs in 2000 it was 71.3 yrs let E repressent the life
1. 0 answers
2. asked by ann
3. 828 views
What value of a measurement must be known if the accuracy of an experimental measurement is to be determined?
1. 2 answers
2. asked by Anonymous
3. 809 views
A cannon fires a shell at an angle of 55.0 above the horizontal. The shell has a mass of 17.5kg, and its initial speed as it
1. 1 answer
2. asked by John
3. 800 views
Two corresponding sides of similar polygons are in the ratio of 8:7. If the area of the smaller figureis 512 square meters, what
1. 1 answer
2. asked by Aleah
3. 798 views
What did you do yesterday?-I went to Bujeon Market. -What a nice thing to do! (What is the full form of 'What a nice thing to
1. 1 answer
2. asked by rfvv
3. 797 views
A metal can containing condensed mushroom soup has a mass of 269 g, a height of 14.7 cm, and a diameter of 6.79 cm. It is placed
1. 1 answer
2. asked by Emily
3. 795 views
To convert from kilometers (km) to meters (m), multiply by 1000. How many meters are there in 6.2 km?
1. 3 answers
2. asked by Anonymous
3. 789 views
an office has total expenses of $16,986 plus a total income in the amount of $20.986. The gross income of the business is a.
1. 1 answer
2. asked by Minesota
3. 785 views
The voltage across a 10-ohm resistor carrying 3 amps must be?
1. 2 answers
2. asked by Lauren
3. 783 views
write an equation in slope-intercept formof the line satisfying the given conditions: parallel to the graph of3x-5y=7 andpasses
1. 1 answer
2. asked by Lila
3. 783 views
ON Abortion1 Identify the principal issue presented by the source. 2 Identify any examples of bias presented by the author. If
1. 2 answers
2. asked by Anonymous
3. 759 views
Two crates of mass m1 = 16 kg and m2 = 23 kg are connected by a cable that is strung over a pulley of mass mpulley = 22 kg as
1. 0 answers
2. asked by kulvinder
3. 732 views
true or falsethe force of friction acts in the SAME direction as the direction of the sliding object
1. 1 answer
2. asked by need help
3. 731 views
find the points at which the graph of 4x^2 - 4x + 12y^2 -6y = 10 has a vertical and horizontal tangent line.For the vertical
1. 0 answers
2. asked by kaley
3. 728 views
Measures of Central TendencyBe sure to show your work so that partial credit may be awarded. 4. An MM207 statistics class
1. 2 answers
2. asked by Roxanne Singleton
3. 726 views
1. Which country's flag is this?1-1. This is America's flag. 1-2. This is an American flag. 2. Which country use this national
1. 1 answer
2. asked by rfvv
3. 715 views
Once it is balanced, in the following chemical reaction NaHCO3(s) Na2O(g) + CO2(g) + H2O(l), what is the coefficient for Na2O
1. 1 answer
2. asked by Pennelope
3. 709 views
The ion formed by IODINE has electron configuration that resemblesa. Te b. Kr c. Xe d. Br e. we cant know unless told whether it
1. 1 answer
2. asked by Sarah
3. 705 views
Dimethylsulfoxide (C2H6SO), also known as DMSO. How many moles of carbon are in 4 moles of DMSO?a 1 b 2 c 4 d 8 e not enough
1. 1 answer
2. asked by Dexter
3. 701 views
I have math fractions to add. I never went over these ,so please help.7/8 + 3/4 + 15/24= 5/9 + 6/7= 4/5 + 11/15 + 17/30 = 1 7/8
1. 4 answers
2. asked by Renriki
3. 691 views
In the compound PtCl2(NH3)2, what is the percentage of the mass due to nitrogen?
1. 1 answer
2. asked by Timber
3. 689 views
Use the Pythagorean Identify to show that the double angle formula for cosine can be written as:cos2x = 2cos^2x - 1
1. 1 answer
2. asked by Anonymous
3. 688 views
Hi, please help!Question: Farmers added Calcium hydroxide to soil one morning. They then planned to add Ammonium chloride
1. 1 answer
2. asked by Chemistry
3. 686 views
DO SOME RESEARCH ON JAMES 1. WRITE A CHARACTER SKECTH OF JAMES. WHAT DIRECTIONS WOULD YOU GIVE TO AN ACTOR ASKED TO PORTRAY JAME
1. 7 answers
2. asked by charmy
3. 686 views
Find the indefinite integral and check the result by differentiation:(integral) x^2 +2x -3 ---------- dx x^4
1. 2 answers
2. asked by SM
3. 677 views
Hi!could anyone help me with this problem please because I been trying so many time and did not get it. Greatly appreciate it.
1. 1 answer
2. asked by Chan
3. 672 views
Part 1: Using the Library, web resources, and/or other materials, find a record-breaking temperature (in degrees Celsius) for a
1. 2 answers
2. asked by Samantha
3. 669 views
how do you answer :a bug lives on the corner of a cube and is allowed to travel only on the edges of the cube. in how many ways
1. 1 answer
2. asked by Ryan
3. 655 views
Eight states border one or more of the five Great Lakes. Write a fraction representing the part of the 50 states that border a
1. 4 answers
2. asked by Mark
3. 650 views
what is the theme of John Donne "To My Mistress Going to Bed".
1. 2 answers
2. asked by NO NAME
3. 649 views
Use the following information to identify element A and compound B, then answer questions a and b.An empty glass container has a
1. 1 answer
2. asked by Ada
3. 648 views
Briefly distinguish the difference between inductive and deductive reasoning. Are the groups of statements below examples of an
1. 0 answers
2. asked by lucy
3. 640 views
Consider the box-and-whisker graphs shown. They suggest that a U.S. Department of Agriculture study shows that poultry dogs have
1. 1 answer
2. asked by Anonymous
3. 638 views
A fully loaded, slow-moving freight elevator has a cab with a total mass of 1250 kg, which is required to travel upward 58 m in
1. 0 answers
2. asked by Anjli
3. 638 views
Linear and angular speedFind w for each of the following: 1. the minute hand of a clock 2. the second hand of a clock The answer
1. 0 answers
2. asked by Laken
3. 634 views
Write a loop that will continuously prompt the user for integers to sum, -1 to exit. Sum these values and display the sum to the
1. 3 answers
2. asked by Lisa
3. 620 views
Dr.Bob222,I've been attempting the problem I posted previously about the ferrous ammonium sulphate, but I'm having no luck. I'm
1. 1 answer
2. asked by rasuka_geo
3. 619 views
I have to write an essay that compares and contrasts the rhetorical strategies of tone, lexicon, and syntax from two sermons
1. 2 answers
2. asked by anonymous
3. 617 views

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