Wednesday
December 7, 2016

# Posts by Eddie

Total # Posts: 196

Chemistry
How many grams of cesium chloride (CsCl) will be needed to make 750. mL of a 0.100 M CsCl aqueous solution? The formula mass of CsCl is 168.36 g/mol
June 5, 2016

Life orientation
How the fraud and corruption affected the offender` s career.
May 1, 2016

Physics
A pan filled with hot food cools from 94°C to 86°C in 2minutes when the room temperaturs is at 20°C .How long will it take to cool from 71°C to 69°C ?
March 26, 2016

accounting
Total Assets Total Liabilities Beginning of the year \$550,000 \$215,000 End of the year 844,000 320,000 On the basis of the preceding data and the following additional information for the year, determine the net income (or loss) of each company for the year. (Hint: First ...
November 28, 2015

accounting I
stock outstanding as follows: 15,000 shares of cumulative 4%, preferred stock of \$20 par, and 19,000 shares of \$100 par common. During its first four years of operations, the following amounts were distributed as dividends: first year, \$4,500; second year, \$6,300; third year...
November 28, 2015

Math
Katy has 13 oranges, 12 apples, and 6 bananas. She also has two boxes. Which fruit cannot be put evenly into the two boxes?
November 9, 2015

MATH
TO MIX A PUNCH, LINDSAY BEGIN WITH LITERS OF LEMON-LIME SODA AND ADD 1,893 MILLILITERS OF CRANBERRY JUICE. HOW MANY LITERS ARE IN THE PUNCH BOWL WHEN THE PUNCH IS COMPLETED.
May 16, 2015

PHYSICS -urgent
A bomber in level flight, flying at 92m/s, releases a bomb at a height of 1950m. (a) How long is it before the bomb strikes earth? (19.9s) (b) How far does it travel horizontally? (1832m) (c) What are the horizontal and vertical components of its velocity when it strikes? (...
March 24, 2015

Question
Okay thank you! Do you know any other homework help sites like this one, it would be very helpful
March 19, 2015

Question
Are there any physics teachers on this site that can help? I've posted many questions on here but none of them get answered.
March 19, 2015

physics
a golfer hits a golf ball an initial velocity of 54m/s [42 degrees above the horizontal]. the ball lands on an elevated green that is 14m higher that the level from which the golfer hit the ball. a) how far away horizontally from the golfer does the ball land? b) what is the ...
March 19, 2015

physics
a golfer hits a golf ball an initial velocity of 54m/s [42 degrees above the horizontal]. the ball lands on an elevated green that is 14m higher that the level from which the golfer hit the ball. a) how far away horizontally from the golfer does the ball land? b) what is the ...
March 19, 2015

physics
A student pushes a coin off the edge of a counter with some horizontal velocity. At the instant the coin goes over the edge, a second student drops a second coin from countertop level so it falls vertically to the floor. Which coin hits the floor first? please help
March 18, 2015

statistics
Let x denote the time taken to run a road race. Suppose x is approximately normally distributed with a mean of 190 minutes and a standard deviation of 21 minutes. If one runner is selected at random, what is the probability that this runner will complete this road race in 225 ...
December 5, 2014

eng
which one of the following fragments is a prepositional phrase
November 24, 2014

chemistry
Calculate the volume of 1.00 M acetic acid solution and mass of sodium acetate needed to make 250 mL of a 0.450 M acetic acid/acetate buffer solution with a pH of 4.00. (The pKa is 4.74 for acetic acid).
November 3, 2014

Physics
A car travels in the +x-direction on a straight and level road. For the first 5.00s of its motion, the average velocity of the car is V = 7.11m/s . How far does the car travel in 5.00s ? Thank you!
September 7, 2014

Economics
What role should our government play in Price Ceilings and a Price Floors?
June 1, 2014

Chemistry
Give the half equations at the anode and cathode for a dilute hydrochloric acid,dilute copper chloride solution and the concentrated magnesium solution.
May 18, 2014

Chemistry
Show the half equations at the anode and cathode for an electrolysis of concentrated magnesium chloride solution using inert electrode
May 18, 2014

Geometry
Find the area. A rectangle with sides of lengths 4/5 foot and 1/2 foot
April 8, 2014

Chemistry
How much ice (in grams) with the temperature of 0∘C would have to melt to lower the temperature of 355mL of water from 26∘C to 4∘C? (Assume the density of water is 1.0 g/mL.)
April 7, 2014

Chemistry
In a coffee cup calorimeter, 1.60 g of NH4NO3 is mixed with 75.0 g water at an initial temperature of 23.50 ºC. When the salt was completely dissolved, the solution temperature of the calorimeter became 21.80 ºC. Assume the solution’s specific heat capacity is 4...
March 10, 2014

Chemistry
A 3.68 g sample of solid gold is heated from 24 ºC to 34 ºC. How much energy (in joules and calories) is required? Thank you!
March 7, 2014

Chemistry
A mixture of gases is made up 0.48 mol of Ar and 0.94 mol of N2 with a total pressure of 1.68 atm. What is the partial pressure of Ar?
March 4, 2014

algebra
a scarf was cut into 6 pieces, each with a length greater than 5 inches. How long could the original scarf have been?
February 9, 2014

Math
Simplify the expression completely. -15m^3 z^5 / -4m^4 z^2
January 21, 2014

Healthcare
Suggest an organizational strategy that you think would be effective for a health care organization. Recommend a key HIT tactic that would support the implementation of the strategy selected. Justify your response. •Analyze the role of a CEO or CIO in a health care ...
January 15, 2014

math
Randy had a sheep that started eating more and more as each day passed.On July 1,Randy’s sheep ate 5 carrots. On July 2,Randy’s sheep ate 11 carrots. On July 3, the sheep ate 18 carrots. How many carrots will the hungry sheep eat on July 30th?
September 17, 2013

math
I took this quiz. 1. A 2. B 3. A 4. B 5. A 6. C 7. A
March 27, 2013

math
1. If 96% of Chinese couples have one child (which is female 50% of the time), and the remaining 4% of Chinese couples engage in sex-selective abortion until they have a male child, what is the ratio of females per 100 males among the children (to the nearest whole number)?
March 18, 2013

chemistry
draw the conformational structures is 2-methylpentane?
March 15, 2013

chemistry
what is the IUPAC name for CH3CH2C(CH3)2CH2CH(CH3)2?
March 15, 2013

Geometry
The Z company specializes in caring for zebras. They want to make a 3-dimensional "Z" to put in front of their company headquarters. The "Z" is 15 inches thick and the perimeter of the base is 390 inches. What is the lateral surface area of this "Z"?
March 12, 2013

Geometry
A rectangular poster measures 42 inches by 26 inches. A frame shop fitted the poster with a half inch mat border
March 7, 2013

Geometry
The height of a parallelogram is 5 feet more than its base. If the area of the parallelogram is 204 square feet, find its base and height.
March 6, 2013

Math 1033
Job 1: Donivan Tech offered this girl a job at \$50,310 a year at 45 hrs a week, traveling 45 miles a day. She estimates 15% of her gross pay. what is her weekly pay before deductions or expenses?
February 13, 2013

alg 150 help
the width of a rectangle is 9 less than twice the length. if the area os the rectangle is 41cm^2 what is the length of the diagonal?
February 10, 2013

alg 150 help
X^2+8X-4=0 what are the 2 answers?
February 10, 2013

Chemistry 3A
I am doing the same problem. I got as far as you, including: DF = C2/C1 = 10 mM /500mM = 0.02 EDTA V1= DF x V2 = 0.02 x 300mL = 6 mL ...Now i am not sure what to do with this information. I would appreciate the help.
February 1, 2013

Chemistry
Given the following data: S(s) + 3/2 O2(g)-->SO3(g) ∆H = -395.2 kJ 2SO2(g) + O2(g) -->2SO3(g)∆H = -198.2 kJ Calculate ∆H for the reaction S(s) + O2(g) --> SO2(g) Could someone please tell me how you would go about doing this type of problem?
January 22, 2013

math150
256x^8+30=31 how do i get rid of the x^8 (can someone show me the steps please)
January 20, 2013

150 math
solve the equation for m 81m^4+54=70
January 20, 2013

math150
[((5x^8)/(4y^7))^5]*[(4^4y^2)/(5^2x^-2)]
January 20, 2013

math150
solve for d (p/(d+b))=(g/d)
January 19, 2013

marh 150 help
simplify 2x^7-9x^7 and 80 dollar shirt 30% off = ? (how do i put this together)
January 16, 2013

geometry
Marcia is 1.5 meters tall. She casts a shadow that is 2 meters long. A nearby building casts a shadow that is 24 meters long. How tall is the building? (Hint: Use the properties of similar triangles.) A. 48 m B. 36 m C. 18 m D. 7 m
January 7, 2013

math
the circumference of a circle is 4 inches. Find the radius and area..
November 30, 2012

Engineering
If you have a 300 ohm transmission line terminated with an antenna that presents a (400 ohm - j 600 ohm) load impedance: What is the normalized load admittance? (I come up with 1.5 - j 2 but am uncertain if correct) How far from the load should a short circuit stub be placed ...
November 10, 2012

Discrete Math
A bag contains 4 red, 6 white and 9 green marbles. How many ways can 3 red, 2 white and 1 green marbles be selected? Do you used permutation or combination, give your reasoning.
October 22, 2012

chemistry
why is the bond length an average rather than a fixed number ?
October 21, 2012

chemistry
how many moles of Nitrogen are in 80g of N2O?
October 13, 2012

math
you are taking a 10 question essay test. How many ways can you answer the test?
September 29, 2012

MATH
I NEED HELP UNDERSTANDING HOW TO WRITE AN ALGEBRAIC EXPRESSION FOR EACH WORD PHRASE. 11. 1 MORE THAN THE QUOTIENT OF 5 AND n.
September 10, 2012

chemistry
a magnesium (Mg) atom with a mass number of 25 contains ?
September 9, 2012

chemistry
calculate the density of a liquid if 47.9mL of it has mass of 49.06g
September 2, 2012

Calculus
Which is the standard form of the equation with p = 26, O=3pi/4 ? the O before the =3pi has a diagonal slash through it.
May 9, 2012

Calculus
Write the equation 4x + 5y – 3 = 0 in normal form. Then, find the length of the normal and the angle it makes with the positive x–axis.
May 8, 2012

Calculus help~!
this makes no sense to me either!!
May 8, 2012

math
5000
May 3, 2012

physics
Ha HAHAHAHAHA LOL
February 16, 2012

physics
A harmonic wave is traveling along a rope. The oscillator that generates the wave com- pletes 46.0 vibrations in 26.5 s. A given crest of the wave travels 351 cm along the rope in a time period of 12.5 s. What is the wavelength? Answer in units of m
February 16, 2012

Physics
angel i hate u bro plz help me out
February 16, 2012

chemistry
Yellow colors in fireworks are die to the 589 nm radiation of sodium ions. a.) How much energy is given off by one photon of sodium?
February 14, 2012

chemistry
The blue color of the sky results from the scattering of sunlight by air molecules. The blue light has a frequency of about 7.5 * 10^14 Hz. What is the wavelength of this radiation in nanometers?
February 14, 2012

math pre algebra
a kennel owner is buying a new building he want the space for each dog run to be at least 96 square ft the area reserved for the dog ru.s is 30 ft by 60 ft
January 31, 2012

Physics
1. The problem statement, all variables and given/known data A point charge is placed at each corner of a square with side length a. The charges all have the same magnitude q. Two of the charges are positive and two are negative, as shown in the following figure. The two ...
January 22, 2012

Physic
A plane is traveling at 90 miles per hour due south. What do we know about it? the speed, its velocity or both its speed and its velocity?
January 14, 2012

Math
What is the antisymmetric relations on the set {0,1}?
November 18, 2011

Physics
A 4.40-kg model rocket is launched, shooting 53.0 g of burned fuel from its exhaust at an average velocity of 650 m/s. What is the velocity of the rocket after the fuel has burned? (Ignore effects of gravity and air resistance.)
November 10, 2011

Physics
A 4.40-kg model rocket is launched, shooting 53.0 g of burned fuel from its exhaust at an average velocity of 650 m/s. What is the velocity of the rocket after the fuel has burned? (Ignore effects of gravity and air resistance.)
November 10, 2011

Physics
A 4.40-kg model rocket is launched, shooting 53.0 g of burned fuel from its exhaust at an average velocity of 650 m/s. What is the velocity of the rocket after the fuel has burned? (Ignore effects of gravity and air resistance.)
November 10, 2011

Physics
A 4.40-kg model rocket is launched, shooting 53.0 g of burned fuel from its exhaust at an average velocity of 650 m/s. What is the velocity of the rocket after the fuel has burned? (Ignore effects of gravity and air resistance.)
November 10, 2011

physics
A 2.5-kg block slides down a 17.0° inclined plane with constant acceleration. The block starts from rest at the top. At the bottom its velocity reaches 0.70 m/s. The length of the incline is 1.7 m. What is the acceleration of the block? What is the coefficient of friction ...
November 1, 2011

physics
A 5.6-kg bowling ball is accelerated from rest to a velocity of 17 m/s as the bowler covers 5.0 m of approach before releasing the ball. What force is exerted on the ball during this time?
November 1, 2011

A 50-kg crate is pulled across the ice with a rope. A force of 100 N is applied at an angle of 38° with the horizontal. Neglecting friction, calculate the acceleration of the crate AND the upward force the ice exerts on the crate as it is pulled.
November 1, 2011

Physics
A coin is placed on a stereo record revolving at 33 1/3 revolutions per minute. (b) Find the acceleration of the coin when it is placed 5.0, 10, and 15 cm from the center of the record. 2 ____ . m/s2 (5.0 cm) 3 ____ . m/s2 (10 cm) 4 ____ . m/s2 (15 cm)(c) What force ...
October 19, 2011

Phyics
Sue is swinging a yo-yo around her head. What happens to the size of the centripetal acceleration if the mass of the yo-yo is doubled without changing the period or length of the string?
October 19, 2011

Geometry
Then what do I do with 6x+7 = 18x-4
October 16, 2011

Geometry
Given b is the midpoint of AC. AB=6x+7 and BC is 18x-4 what is the length of AB BC AC
October 16, 2011

physics
Janet jumps off a high-diving platform with a horizontal velocity of 3.5 m/s and lands in the water 1.7 s later. How high is the platform, and how far from the base of the platform does she land?
October 12, 2011

physics
A boat heads directly across a river 39 m wide at 3.9 m/s. The current is flowing downstream at 2.4 m/s. (a) What is the resultant velocity of the boat? m/s (magnitude) ° (direction) (b) How much time does it take the boat to cross the river? s (c) How far downstream is ...
October 4, 2011

physics
An airplane flies toward 124° at 525 km/h. What is the component of the plane's velocity (a) toward 90°? km/h (b) toward 180°? km/h
October 4, 2011

physics
While flying due east at 130 km/h, an airplane is also carried northward at 41 km/h by the wind blowing due north. What is the plane's resultant velocity? (Draw vector diagram to solve problem.) Magnitude km/hDirection (north of east) 72° 18° 18° 72°
October 4, 2011

Physics
Diane rows a boat at 8.3 m/s directly across a river that flows at 5.6 m/s. (a) What is the resultant speed of the boat? m/s (b) If the stream is 250 m wide, how long will it take Diane to row across? s (c) How far downstream will Diane be
October 4, 2011

physics
You head downstream on a river in a canoe. You can paddle at 5.2 km/h and the river is flowing at 2.2 km/h. How far downstream will you be in 30 minutes?
October 4, 2011

physics
thanks
October 4, 2011

physics
You head downstream on a river in a canoe. You can paddle at 5.2 km/h and the river is flowing at 2.2 km/h. How far downstream will you be in 30 minutes?
October 4, 2011

physics
You head downstream on a river in a canoe. You can paddle at 5.2 km/h and the river is flowing at 2.2 km/h. How far downstream will you be in 30 minutes?
October 4, 2011

math
a farmer wishes to enclose a rectangular region with 210 meters of fencing in such a way that the length is twice the width and the region is divided into two equal parts. what length and width should be used?
September 6, 2011

Accounting
Why do you think the Accumulated Depreciation-Equipment has a zero on the trail balance section?
August 15, 2011

Sentance patterns
I have to match the following sentances to the sentance patterns listed 1.Visiting old mine shafts can be an interesting experience. 2.Remodeling this house has become very expensive. 3.The old village sprawled across the green valley. 4.Academic success requires diligence. 5....
July 8, 2011

English grammar
thank you again i answered them again and got 80%
July 5, 2011

English grammar
thank you for your help what about these questions 8. The Gerrards consider their son a genius Gerrards = subject Consider = verb son = direct object genius = ocject compliment 9. The committee elected George chairman committee = subject elected = verb George = direct object ...
July 5, 2011

English grammar
I need to identify the subject, verb, and any complements (direct object, indirect object, subject complement, objective complement) and the prepositional phrases of the following sentances. I thought i had them more or less right but when i turned them in i got 59% and i don...
July 5, 2011

math
solve for x 2ax+b=c
June 12, 2011

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