Questions Asked on February 28, 2008

the question reads:a) balance the equation: H3PO4 + Ca(OH)2 --> Ca3(PO4)2 + H2O b)what mass of each product results if 750 mL of
1. 2 answers
2. asked by Anonymous
3. 4,630 views
What the importance of knowing the difference between the speaker and the writer in a poem?
1. 5 answers
2. asked by jen
3. 4,047 views
A 0.6-g peanut is burned beneath 50 g of water, which increases in temperature from 22degreesC to 50 degreesc. What is the exact
1. 1 answer
2. asked by Rachel
3. 3,548 views
Some reactions that are predicted by their sign deltaG to be spontaneous at room temperature do not proceed at a measurable rate
1. 4 answers
2. asked by kali
3. 3,546 views
Select which of the following statements are True or False. Assume Newtonian Mechanics.1.The work required to lift a mass one
1. 8 answers
2. asked by josh g
3. 3,496 views
A tetherball leans against the smooth, frictionless post to which it is attached.The string is attached to the ball such that a
1. 2 answers
2. asked by Erin
3. 3,333 views
write the formula for and indicate the charge on each of the following ions: a) sodium ionb) aluminum ion c) chloride ion d)
1. 1 answer
2. asked by john
3. 2,622 views
What is the effect of enzyme concentration on enzyme activity? Explain how much enzyme activity changes as enzyme concentration
1. 2 answers
2. asked by Gilmore
3. 2,347 views
A bullet of mass m= 0.0290 kg is fired along an incline and imbeds itself quickly into a block of wood of mass M= 1.55 kg. The
1. 1 answer
2. asked by rory
3. 2,219 views
In a wheelbarrow, you have 2 kilograms of soil for your garden. If 8 percent of it is organic matter( decayed materials from
1. 21 answers
2. asked by Dee
3. 2,138 views
In summer squash, white fruit color is dominant. Yellow is recessive. A squash plant that is homozygous yellow one. Predict the
1. 1 answer
2. asked by Anonymous
3. 1,927 views
Consider a perfectly inelastic head-on collision between a small car and a large truck traveling at the same speed. Which
1. 1 answer
2. asked by Jim
3. 1,682 views
In a rescue, the 64.0 kg police officer is suspended by two cables,the cable on the left made a 35 degree angle, the rope on the
1. 1 answer
2. asked by Erin
3. 1,565 views
In DNA, I know that hydrogen bond connects the nucleotides of each strand, but what type of bond holds the two strands together?
1. 2 answers
2. asked by Anonymous
3. 1,546 views
If cos A =1/3 with A in QIV find cscA/2
1. 1 answer
2. asked by Rick
3. 1,497 views
please help reviseIn the research analysis paper I will write about black women and their oppression. I will focus on how black
1. 1 answer
2. asked by jenny
3. 1,436 views
What is the effect of substrate concentration on enzyme activity? How does enzyme activity change as substrate concentration
1. 1 answer
2. asked by Huckabee
3. 1,400 views
The conversion factor for deriving the number of moles of salicylic acid, C7H6O3, from a given number of grams of salicylic acid
1. 1 answer
2. asked by Jeffrey
3. 1,255 views
After a car is driven for some distance, why does the air pressure in the tires increase?
1. 1 answer
2. asked by Rachel
3. 1,251 views
1.when air is cold, it has less ______.2.the expansion joints _______ when it is cold outside. 3.the expansion joints ______
1. 1 answer
2. asked by allison
3. 1,244 views
Could someone help me with this.Directions Create in-text citations by following the directions for each of the following
1. 1 answer
2. asked by ree
3. 1,234 views
Solve the problem. Assume that simple interest is being calculated. Roundyour answer to the nearest cent. Susie borrowed $7500.
1. 4 answers
2. asked by Matt
3. 1,230 views
write formulas for the binary ionic compounds formed between the follwing elements a) sodium and iodine b) calcium and sulfur c)
1. 1 answer
2. asked by john
3. 1,154 views
Use half-angle formulas to find the exact value for the followingcot 75 degrees
1. 1 answer
2. asked by Rick
3. 1,152 views
Determine the actual yield in grams of CCL4 if 175.0g of Cl2 reacts with meathane. The percentage yield of the reaction is 75.4%
1. 5 answers
2. asked by LaNeisha
3. 1,145 views
A: I haven't seen you in ages.How have you been? B: I'm fine. -------------------------- Is this dialogue correct? Do we have to
1. 1 answer
2. asked by John
3. 1,108 views
Prove the identitysin(3 pi /2 + x) + sin(3pi/2 -x) = -2cosx
1. 1 answer
2. asked by Rick
3. 1,091 views
Sound Words.The___ of broken glass followed the ____ of the bullet as the rifle____ .The soldiers were awakened by the _____ of
1. 3 answers
2. asked by Susan
3. 1,081 views
A _____________________ is an earthquake that occurs after a large earthquake in the same area
1. 2 answers
2. asked by Julia
3. 1,076 views
I have to compare Iago in othello to Ambrose's message in St. Augustine's Confessions.Ambrose's message is to not take the Bible
1. 3 answers
2. asked by laura
3. 1,075 views
Graph one complete cycle ofy + cos x cos pi over6 + sin x sin pi/6 by first rewriting the right side in the form cos(A-B)
1. 1 answer
2. asked by Rick
3. 1,062 views
Describe an application for the use of ratios or proportions
1. 1 answer
2. asked by Allison
3. 1,007 views
Samples of neon and helim are placed into separate containers connected by a pniched rubber tube as shown. When the clamp is
1. 3 answers
2. asked by Miley
3. 982 views
the officer hires an employee who's deaf, but who can lip-read. what will the employer have to do in terms of this employee's
1. 0 answers
2. asked by Anonymous
3. 974 views
In Figure block 1 of mass m1 slides from rest along a frictionless ramp from height h = 3.10 m and then collides with stationary
1. 0 answers
2. asked by gia
3. 960 views
Assuming that sea water is a 3.5 wt% solution of NaCl in water, calculate its osmotic pressure at 20 deg C. The density of a
1. 1 answer
2. asked by Sarah
3. 950 views
How does pH affect the activity of catalase? Consider both high and low pH, and explain your observations by discussing the
1. 3 answers
2. asked by Leo
3. 948 views
Ectothermic organisms have body temperatures that vary with the temperature of their surroundings. Discuss the effect this
1. 1 answer
2. asked by JACK ATTACK
3. 909 views
I have a question. I'm forming Isopentyl acetate by the esterfication of acetic acid with isopentyl alcohol.The rxn is shifted
1. 7 answers
2. asked by ~christina~
3. 884 views
Ectothermic organisms have body temperatures that vary with the temperature of their surroundings. Discuss the effect this
1. 1 answer
2. asked by Biology Lover Needs help fast!
3. 875 views
Neisha is making punch. to make the punch. she needs 2 pints of lemonade. she only has 1-cup measure. how many cups of lemonade
1. 2 answers
2. asked by marquis
3. 858 views
there's three parts, i keep getting these wrong please help.A set of crash tests consists of running a test car moving at a
1. 1 answer
2. asked by Courtney
3. 856 views
Verify that each of the following is an identity.tan^2x-sin^2x=tan^2xsin^2x I can get it down to cos^2 on the right, but cannot
1. 1 answer
2. asked by Andrea
3. 849 views
A 3.5 liter gas sample at 20 degrees celcius and a pressure of 650 mm Hg is allowed to expand to a volume of 8570mL. The final
1. 11 answers
2. asked by Miley
3. 841 views
What other measurements sociologists use to calcalculate prejudice?
1. 2 answers
2. asked by Scooby
3. 831 views
Solve for x (exact solutions):sin x - sin 3x + sin 5x = 0 ¦Ð ¡Ü x ¡Ü ¦Ð ---------------- Thankyou. I tried find the
1. 1 answer
2. asked by sqleung
3. 824 views
MArta has $6000 to invest. She puts x dollars of this money into a savings account that earns 2% interest per year. With the
1. 3 answers
2. asked by trixie
3. 815 views
49 divided by n = 7 ( please show work thank you)
1. 1 answer
2. asked by marquis
3. 810 views
When two similar liquids mix to form a solution, the entropy of solution is expectted to be:a.negative b.zero c.positive
1. 0 answers
2. asked by Sarah
3. 786 views
Given that f(x) = 2sinx - cosx- Write f(x) in the form Asin(x+a) - Find the maximum value of 2sinx - cosx - Find the lowest
1. 4 answers
2. asked by sqleung
3. 772 views
If a is 50% larger than c and b is 25% larger than c, then a iswhat percent larger than b?
1. 2 answers
2. asked by PRIDE
3. 767 views
Please help - Ratio word problemMarc took 3 hours(h)to mow a lawn while Angelina took 150 minutes (min) to mow the same lawn a
1. 7 answers
2. asked by Sherri
3. 750 views
It is quoted in Augustine's confessions, "the letter killeth, but the spirit giveth life." if this is so, then I believe Ambrose
1. 3 answers
2. asked by laura
3. 744 views
Distinguish among bias, prejudice, discrimination and bigotry as they relate to the issues of racial and ethnic controversies in
1. 2 answers
2. asked by sugrbare24
3. 734 views
i have a problem figureing out this question do you have any help? need to find the input and output of these numbers input 2 &
1. 4 answers
2. asked by dylan
3. 726 views
Can someone please explain to me the procedures for getting an answer to the questions. Step by step would be great since I'm
1. 1 answer
2. asked by Lily
3. 716 views
The following equations are intepretations of the evidence from the reactions of four metals with various cation solutions. Make
1. 3 answers
2. asked by Alex
3. 710 views
Gaseous arsine reacts according to the balanced equation. If a total of -3663 KJ of heat is produced in the reaction as written,
1. 4 answers
2. asked by Anonymous
3. 698 views
What u.s. president began the interstate Highway System?
1. 1 answer
2. asked by Chance
3. 696 views
If tan(A+B) = 2 and tan B =1/3, find tan A
1. 1 answer
2. asked by Rick
3. 692 views
What does this mean? Do I graph this or what?Find the variation constant and an equation of variation where y varies directly as
1. 3 answers
2. asked by Micah
3. 690 views
Is delta Tf = delta Tb? The original practice problem is Detla Tf= 8.631 for an aqueous solution, what is delta Tb.I know that
1. 1 answer
2. asked by Sarah
3. 684 views
A 19 m long piece of wire of density 8.34 g/m3has a diameter of 12.593 mm. The resistiv- ity of the wire is 1.7e-8(ohm)(m) at 20
1. 1 answer
2. asked by David
3. 680 views
How did isolationist beliefs affect immigration policy during 1920s?Is nativism similar to isolationism? I only know how the
1. 3 answers
2. asked by Angelica
3. 672 views
I am trying to find this:how do we find the country's rank population such as upper class, lower class, and middle class?
1. 1 answer
2. asked by Jud
3. 672 views
pb = 70 -0.0005qb(brand name) pp = 20-0.0002qp (private label). Marginal cost is a constant $10 per tire.quantities are measured
1. 0 answers
2. asked by Anonymous
3. 664 views
I cant seem to think of any words to complete this sentence:The woodwind section is like because
1. 1 answer
2. asked by Carlyn
3. 663 views
What form of government does Ireland have? Is it stable? Do they have any allies?I've been surfing the web for a really long
1. 1 answer
2. asked by Maddie
3. 654 views
Ratios- Please helpThe ratio of 5 3/5 to 2 1/10 The ratio of 7 dimes to 3 quarters Marc took 3 hours(h)to mow a lawn while
1. 4 answers
2. asked by Sherri
3. 645 views
I am supposed to write a quadratic equation using only the solutions and I am only given one solution:4.It can't be (x-4)=0. Can
1. 2 answers
2. asked by Micah
3. 644 views
I need to know what the difference is between a commonwealth (Puerto Rico) and a territory (Guam) of the United States. If
1. 2 answers
2. asked by Jenna
3. 643 views
What is the sum of all possible digits that could fill in the blankin 47_021 so that the resulting five digit number is
1. 2 answers
2. asked by PRIDE
3. 630 views
what is an upper bound on the absolute value of the error?the abs value of (the sum from n=1 to infinity of ((-1)^(n+1))/(n*5^n)
1. 1 answer
2. asked by sarah
3. 626 views
What is the effect of substrate concentration on enzyme activity? How does enzyme activity change as substrate concentration
1. 1 answer
2. asked by Huckabee: repost
3. 620 views
THE DENMARK STRAIT SEPARATES WHAT TWO LARGE ISLANDS
1. 1 answer
2. asked by PINK
3. 620 views
MArta has $6000 to invest. She puts x dollars of this money into a savings account that earns 2% interest per year. With the
1. 2 answers
2. asked by Trixie
3. 619 views
A Princeton prof. (mass = 67.0 kg), surprised by the large stopping force he calculates for jumping flat footed from a height of
1. 5 answers
2. asked by rory
3. 616 views
what are the differences between mitosis and meiosis!?
1. 0 answers
2. asked by sam
3. 611 views
Predict the most likely redox reaction and use the spontaneity rule to predict whether the reaction will occur spontaneously.1.
1. 1 answer
2. asked by Alex
3. 610 views
I have two questions... I would really appreciate some help...1) Suppose phi is a homomorphism from G to G' and that G' has an
1. 0 answers
2. asked by daniel
3. 601 views
My assignment is to find two stories from the 19th century.But the stories have to be written by 2 diferent authors. I was
1. 1 answer
2. asked by lizi
3. 598 views
Marginal cost is a constant $10 per tire.quantities are measured in thousands per month ans price refers to the wholesale price.
1. 0 answers
2. asked by Anonymous
3. 598 views
Im I stating a clear purpose for my paper?In this study, I will write about black women’s oppression. I will focus on sexism
1. 1 answer
2. asked by jenny
3. 596 views
Tots-R-Us operates the only day-care center in an exclusive neighborhood just outside of Washington, D.C. Tots-R-uS is making
1. 0 answers
2. asked by jean
3. 587 views
Could someone explain to me the difference between a response that compares and contrasts intrinsic and extrinsic motivation.
1. 1 answer
2. asked by judy
3. 585 views
The mediterranean Sea is almost completely enclosed by land. What three continents boarder it?
1. 2 answers
2. asked by Chance
3. 584 views
All the even numbers from 2 to 98 inclusive, except those ending in0, are multiplied together. What is the rightmost digit, that
1. 2 answers
2. asked by PRIDE
3. 573 views
Approximately 5 out of every 10 students at Kendra's college live on campus. The college has 5,000 students. How many of them
1. 3 answers
2. asked by Kelly
3. 569 views
test the series for convergence or divergence using the alternating series testthe sum from n=1 to infinity of (-1)^n/(3n+1) I
1. 0 answers
2. asked by sarah
3. 564 views
create an incident report about a bank hold-up, using well constructed paragraphs, logical transitions, consistency, and
1. 1 answer
2. asked by Tom
3. 564 views
Prove the identitysin squared 0 with line/2 = csc zero with line -cot zero with a line /2csc zero with a line
1. 0 answers
2. asked by Rick
3. 563 views
8 sin 9x cos3xRewrite the xpression as a sum or differnce using one of the product sum formulas Simplify if possible
1. 1 answer
2. asked by Rick
3. 560 views
find the measure of angel R in quadrilateral RSTW if the measure of angle R= 2x, the measure of angle S= x-7, the measure of
1. 2 answers
2. asked by Sara
3. 554 views
How can I share my school notes on the internet? Do you know of any web sites where a student can post his school notes?Love,
1. 1 answer
2. asked by Candy
3. 549 views
A company had a loss of $3 per unit when sales were 40,000 units. When sales were 50,0000 units, the company had a loss of $1.60
1. 1 answer
2. asked by Thomas
3. 547 views
Help me- ProportionsA store has T-shirts on slae at 2 for $5.50. At this rate, what do five T-shirts cost?
1. 2 answers
2. asked by Sherri
3. 540 views
Prove that | a x b | = (sqrt) [(a (dot) b)(b (dot) b) - (a (dot) b)^2]
1. 1 answer
2. asked by Anonymous
3. 532 views
ocompare and contrast an house with the parts of cells
1. 3 answers
2. asked by elizabeth
3. 532 views
what is the rejection of medieval styleand influences of byzantine
1. 1 answer
2. asked by mike
3. 527 views
Consider an acid, HA, with pKa =3.330.025 moles of hydroxide ion are added to 17.4mL of a 0.519 M solution of the acid. What is
1. 1 answer
2. asked by Sarah
3. 526 views

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