Friday

December 19, 2014

December 19, 2014

Total # Posts: 444

**Chemistry**

One more question please. Do I need to convert to joules or can it be kept in cal/g? Thanks in advance
*January 24, 2013*

**Chemistry**

So is the first part of the equation because it is in ice form and the second part because it is the change of temperature after it becomes water? And thank you for the answer.
*January 24, 2013*

**Chemistry**

I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many calories would burn turning the ice into body temperature water (if body temp is 37 degrees celsius.) It gives Lm of H2O=1,44 kcal.mol and cwater=1.0 ...
*January 24, 2013*

**Chemistry**

Thank you for the post. Sorry I accidentally clicked twice and it wouldn't let me delete extra post.
*January 24, 2013*

**Chemistry**

I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many calories would burn turning the ice into body temperature water (if body temp is 37 degrees celsius.) It gives Lm of H2O=1,44 kcal.mol and cwater=1.0 ...
*January 24, 2013*

**math**

the length of a rectangle is 100 inches more than the width. if the perimeter of the rectangle is 1320 inches, find the dimensions
*January 21, 2013*

**math**

nate cut a pie into 7 equal pieces. he gave one piece to his dad and three times as much to his brother Chris. what fraction of the pie was left?
*January 16, 2013*

**math **

my ten digit is 1 less then the sum of 4 + 3 my ones digit is 2 more than my tens digit what number am i?
*November 5, 2012*

**math **

my ones digit is 2 less then eight my ones digit is 4 more then my tens digit what number am i?
*November 5, 2012*

**math**

my tens digit is double my ones digit both of my digits add up to six what number am I?
*November 5, 2012*

**singapore math**

My 3rd grade son get this math problem. It states that John thinks of a 3-digit number. What is his number? Use the clues below to find John's number. Every digit is different. The sum of all thedigits is 19. The difference between the hundreds digit and the ones digit is ...
*November 4, 2012*

**singapore moth**

Place the following digits in the boxes so that the sum of the digits in each straight line is the same. This is like a crossword 3 boxes across and 3 boxes down then 3 boxes across and 3 boxes down using digits 1,2,3,4,5,6,7,8,9. please help with answer.
*November 4, 2012*

**singapore math**

Using these numbers to fiqure the problem. (120,30,90,60,50,40,160,80) The sum of two numbers is 190. What would the answer be? And the sum of their digits is 10.
*November 4, 2012*

**math**

Evaluate: 4.84 x 39 + 61 x 4.84
*October 24, 2012*

**english**

they spent a year in france is an example of how fitzgerald
*October 22, 2012*

**math**

a disk has an area of 250 square inches.what is theradius of the disk?
*October 22, 2012*

**calculus**

An airplane is cruising at 340 km/h at an altitude of 4000 m. If the plane passes directly over an observer on the ground, how fast is the distance from the plane to the observer changing when it is 3000 m away from the point directly above the observer?
*October 16, 2012*

**Algebra**

A grocer mixes 5 lb of egg noodles costing $ .80/lb with 2 lb of spinach noodles costing $1.50/lb. What will the cost per pound of the mixture be?
*October 8, 2012*

**Algebra**

Susan drove for 2 hours at 85 km/hr and then for 3 hours more at 95 km/hr. What was her average speed for the entire trip?
*October 8, 2012*

**Algebra**

If 800ml of a juice drink is 15% grape juice, how much should be added to make a drink that is 20% grape juice?
*October 8, 2012*

**science**

please tell me if you agree with the following: Which Brand of popcorn hs the least amount of unpooped kernels after 3 minutes. Brand 1 has 1 Brand 2 has 15 Brand 3 has 16 Brand 4 has 5 Brand 5 has 25 the answer is Brand 1 BUT is the: independent variable the different brands ...
*October 5, 2012*

**Chemistry**

15.0 moles of gas are in a 6.00L tank at 298.15K. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300 L^2*atm/mol^2 and b=0.0430 L/mol. I found the idea gas pressure to be 61.2 atm by...
*September 13, 2012*

**social studies**

What is an example of a nonrenewable resource?
*September 4, 2012*

**Physics**

An object with mass 3.7 is attached to a spring with spring stiffness constant 270 and is executing simple harmonic motion. When the object is 2.5×10−2 from its equilibrium position, it is moving with a speed of 0.45 . what is the amplitude of the motion?
*August 30, 2012*

**Ethics**

THe gm of a software company is in the process of constructing a new facility in a country. THe gm has a manager of native origin acting as liaison between the company and government officials. THe new facility requires some permits and licenses. Government officials have ...
*August 25, 2012*

**math**

how do i solve 6.3*10^5=9*10^4*t
*August 11, 2012*

**algebra**

If a rocket traveled at 9*10^4 miles per hour . How long would it take to reach the moon from the planet.The moon is 6.3*10^5 miles from the planet it orbits.
*August 11, 2012*

**Probability and Stats**

A graduate class consists of six students. What is the probability that exactly three of them are born either March, June or November?
*August 8, 2012*

**math**

Okay, I got: v+6-c and c=c-6 for 120=(v-c)*20 AND: c=12-v and v=6/5-c for 120=(v+c)*10 Now what do I do?
*August 1, 2012*

**math**

A tugboat goes upstream 120 miles in 20 hours. The return trip downstream takes 10 hours. Find the speed of the tugboat without the current and the speed of the current.
*August 1, 2012*

**Mat/116**

In 2000,in country A, the average family net worth was $340,000,and there were about 9.4*10^7 families. Calculate the total family net worth in Country A in 2000.
*August 1, 2012*

**Math**

The perimeter of a rectangle equals the sum of the length of its four sides.If the width of the rectangle if 7 inches and its perimeter is 48 inches, what is the length of the rectangle?
*August 1, 2012*

**Math**

f(a)=t, f(b)=s, f(c)=r, f(d)=t Write the function as a set of ordered pairs. Give the domain and range of F.
*August 1, 2012*

**Math**

Thank you!
*August 1, 2012*

**Math**

So then it is .095?
*August 1, 2012*

**Math**

I have to round the .0947 to the nearest thousandth so it would be .09?
*August 1, 2012*

**Math**

Yes, I want the .0947 so that I could do the linear equation. Since the linear equation is A=10-.947(95)which means A = 1.0035?
*August 1, 2012*

**Math**

A certain mountain has an elevation of 19,583 feet. In 1907, the glacier on this peak covered 10 acres.By 2002, this glacier had melted to only 1 acre. (a) Assume this glacier melted at a constant rate each year. Find this yearly rate. (b)Use your answer from part (a)to write ...
*August 1, 2012*

**Mat/116**

An investor invested $3,400 in two mutual funds.One fund earned a 6%profit while the other earned a 3% profit. If the investor's total profit was $144,how much was invested in each mutual fund?
*July 21, 2012*

**Early Childhood Literacy**

Children with many experiences with stories: A-can accurately sound out words. B-tend to know stories have predicitable segments and features C-can read simple words as was or am by late preschool years. D-realize words are separated in sentences and that sentences end in ...
*July 4, 2012*

**Grammar**

Identify the tenses (past, present, mixed): 1. Synthes self-retaining anterior cervical retractors were then placed behind the longus colli muscles. PAST TENSE ________________________________________ 2. There was a small rent in the middle left posterior longitudinal ligament...
*June 21, 2012*

**Grammar**

Specify if sentences are complete, fragments or run-on: 1) The surgical team recommended that surgery be performed as soon as possible, the patient, however, wanted more time to think about it. SENTENCE FRAGMENT 2) Postoperative plan is for the patient to mobilize as tolerated...
*June 21, 2012*

**Grammar**

Choose the correct answer I put my answers in CAPS: 1) Neither his physician nor the floor nurses HAVE been in to see him yet this morning. 2) On sponge and instrument count, it was noted that one of the sponges WAS missing. 3 The costs of his research WERE paid by the ...
*June 21, 2012*

**Math**

Need to make a monthly amortization schedule. Borrowing 16000 over 4 years at 3.5%. Do I need to calculate for 48 months in order to do this project correctly? I do all the calcs for 48 months and I still end up with approx a payment left over?
*June 15, 2012*

**Math**

491.72
*May 31, 2012*

**math 117**

perform the indicated operations and simplify z-4/z-6 - z+1/z+6 + z-30/z^2-36
*May 19, 2012*

**writing**

what is wrong with this pargraph Since every person has only one opportunity to live each hour of his life, the time must be spent wisely. He should spend it thoughtfully. He should care what he does with his time. He should use good judgment. He should be intelligent in his ...
*May 15, 2012*

**science**

Are there enough resources in the world for 8 or 10 billion people to live decent, secure, happy lives?
*April 26, 2012*

**Math**

A jar contains 6 red marbles and 10 blur marbles all of equal size. if Dominic were to randomly select 1 marble without replacement and then select another marble from the jar, what would be the probability of selecting 2 red marbles from the jar.
*April 8, 2012*

**Management 330**

Help with doing a powerpoint presentation with show the Four Functions or management with Ethics
*March 24, 2012*

**chemistry**

The Haber process for ammonia synthesis is exothermic: N2(g) + 3H2(g) <==> 2NH3(g) ∆H° = -92 kJ If the equilibrium constant Kc for this process at 500.°C is 6.0 ξ 10-2, what is its value at 300.°C?
*March 8, 2012*

**math**

thank you miss sue
*March 4, 2012*

**math**

Emory is mounting 3 shelves of 12 3/4 in apart on a wall. If each board is 3/4 in. thick, what is the total vertical space occupied by the set of shelves?
*March 4, 2012*

**physics**

idk man
*February 16, 2012*

**math**

Two numbers have the sun or 100. Bothe numbers are divisble by 4 but not 5. Their quotient is also divisble by 4
*February 16, 2012*

**Social Studies**

How did the belief in Manifest Destiny influence western settlement
*February 5, 2012*

**Social Stuides**

DURING THE 1840'S MANY MORE AMERICANS THAN BRITISH SETTLED IN THE OREGON COUNTRY HOW DID THIS INFLUENCE THE NEGOTIATION OVER THE TERRITORY
*February 5, 2012*

**Chemistry**

The density of sulfuric acid is 1.82g/mL. What volume of sulfuric acid is needed to obtain 98.0g of sulfuric acid
*January 31, 2012*

**Quality management/performance improvement**

as a health information management coding supervisor, you have been asked to compare the steps of the current coding process with a proposed coding process. what would be the best tool to use for this process? a. Root-cause analysis b. scatter diagram c. flowchart
*January 19, 2012*

**physics**

a girl throws a stone vertically upward with an initial speed of 8 m/s. How high will the stone rise? How long will it take to return to the ground after it is thrown?
*January 18, 2012*

**physics**

A driver is moving at 32 m/s when they see a deer in the road standing 74m in front of them. They hit the brake and slow down at a constant rate of 9.5m/s2. Will the driver hit the deer? this is a 2 part problem
*January 18, 2012*

**physics**

A bullet penetrates 7 cm into a block of wood when fired at a speed of 33 m/s. Find the deceleration and the time taken to stop.
*January 18, 2012*

**algebra**

What is 34 divided by 25 in a lowest form
*January 11, 2012*

**algebra**

What is 34 divided by 24 in a lowest form
*January 11, 2012*

**Math**

The length of a rectangle is 3cm. If the length remains constant, and the width changes, what r the possible perimeters for the different rectangles?
*December 7, 2011*

**Intro.Criminal Justice**

which sentencing philosophy is best suited for cybercrimes
*December 6, 2011*

**org chem**

Using reagents no more than four carbons long, propose a synthesis of (1R,2S,4R,5S)-1,2,4,5-tetramethylcyclohexane and (1S,2R, 4R, 5S)-1,2,4,5-tetramethylcyclohexane. Would like a way to start this...
*December 2, 2011*

**Chemistry 1010**

Describe exactly how you would make 150.0g of a 4.00% (w/w) solution of NaBr in water ?
*December 1, 2011*

**government**

with the exception of Washington DC Only states get electoral vote equaling the number of Representative in congress. Tn has 9 Reps and two senators so 11 electors is given to Tn. Astronauts, military or any one else can vote absentee being citizens of a state.
*December 1, 2011*

**Algebra**

A person rolls two dice. What are the odds against throwing at most a six?
*November 16, 2011*

**Algebra**

How many three symbol codes using the digits 3 through 9 are possible if repetitions are allowed? (243 is an example of a three symbol code).
*November 15, 2011*

**math**

using these digits 1,9,3,6 Whatis the least 2-digit you can make? What is the greatest 2-digit you can make?
*November 2, 2011*

**stats**

Suppose we have a population of scores with a mean (μ) of 200 and a standard deviation (σ) of 10. Assume that the distribution is normal. Provide answers to the following questions: What score would cut off the top 5 percent of scores? What score would cut off the ...
*October 30, 2011*

**statistics**

Suppose we have a population of scores with a mean (μ) of 200 and a standard deviation (σ) of 10. Assume that the distribution is normal. Provide answers to the following questions: What score would cut off the top 5 percent of scores? What score would cut off the ...
*October 29, 2011*

**english**

In this sentence, what part of speech is the word Teresa's: Teresa's parents have formed a service organization for the community.
*October 25, 2011*

**algebra**

3 - 6/7 x = 21
*October 16, 2011*

**math 9th grade**

the length of a rectangle is 100 inches more than the width. if the perimeter of the rectangle is 1320 inches find the demensions
*October 9, 2011*

**math word problems**

Sally and marta had the same number of postcards. After sally sold 18 of her postcards, marta had 4 times as many postcards as sally. How many postcards did each girl have to begin with?
*October 2, 2011*

**Algebra**

Take west to be the positive direction. The height of a sloped roof above the place where I stand is h = 18 feet (see the figure below). If I move x = 5 feet west, the height is 10 feet. What is the slope?
*October 1, 2011*

**math**

Hannah and francine have $120. Hannah and peter have $230. Peter has 6 times as much money as francine. How much money does hannah have?
*September 30, 2011*

**Grammar**

Thx, Sue!!! Can u please help me with these others. Agreement errors: 1) Verb tense error 2) subject verb error 3) pronoun agreement error 4) modifer placement error 5) parallel structure error Q:The patient is thin, combative, uncooperative, oriented only to person, and ...
*September 23, 2011*

**Grammar**

what is the agreement error in the following sentence: One of the options concerning his future surgeries were discussed with him.
*September 23, 2011*

**Chemistry**

What are the products for the reaction of Sodium hydrogen phosphate with nickel II nitrate Ni2HPO4 + Ni(NO3)2 -->
*September 20, 2011*

**math**

given the linear equation y=-4/3x+1, find the y-coordinates of the point(-6<), (-3,)and (6,) these are the kind of problems that make me get confused
*August 22, 2011*

**math**

i come up with 50 miles , am i correct?
*August 11, 2011*

**math**

allowing $150 for office move. Rental truck is $70 and $1.60 a mile. how many miles can be driven, and not go over budget
*August 11, 2011*

**chemistry**

Which one of the following will have the greatest number of moles of potassium ion: 10.0 mL of .10 M potassium hydroxide, 30.0 mL of 0.15 M potassium carbonate, or 25.0 mL of 0.080 M potassium phosphate
*July 31, 2011*

**Chemistry**

determine the number of grams of KCl salt contained in 1.25L of a 5.00%(W/V) KCl(aq)
*July 18, 2011*

**ochemistry**

How many pi-electrons are in the thiazoline ring of thiamine hydrochloride? of thiamine?
*July 5, 2011*

**ochemistry**

Why might the presence of Benzoic acid be deleterious to the Benzoin condensation?
*July 5, 2011*

**Physics**

An aluminum cube that has an edge length of 7 cm. is placed in a beaker of water that is filled to the brim. As a result the water overflows. what volume of water overflows when the aluminum cube is submerged in the water?
*July 3, 2011*

**geometry**

Given the following sets, select the statement below that is NOT true. A = {b, l, a, z, e, r}, B = {b, a, l, e}, C = {a, b, l, e}, D = {l, a, b}, E = {a, b, l} (Points : 2) E ⊂ C C ⊆ B D ⊆ C B ⊆ C C ⊆ D
*June 27, 2011*

**algebra**

I need to simplify (6x^2y^3)(9x^2y^3)/3x^2y^2. I don't know whether I'm supposed to multiply or divide or both?
*June 9, 2011*

**algebra**

write slope intercept equation for the line containing the given pairs of points (-3.4) and (3,1)
*June 8, 2011*

**child care**

nutrition
*June 8, 2011*

**algebra**

y=2x-1 y=3x-2
*June 4, 2011*

**algebra**

A home's backyard drops 9 ft over a horizontal distance of 124 feet. Find the slope of this back yard. Round your answer to two demical places
*June 3, 2011*

**Algebra 2**

The speed of the current is 5m/h. Angie goes upstream 25 miles and returns to the doc. The whole trip takes 12 hours. What is the speed of the boat in still water?
*May 11, 2011*

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