Tuesday
February 9, 2016

Posts by anonymous

Total # Posts: 91,422

Marh
I am assuming that you meant you gathered 1.5 times more apples than he did. You can setup an equation to represent the situation. Let 'k' be our unknown variable. You friend gathered k apples. You gathered 1.5 more than he did, so you gathered 1.5*k apples. The total ...
November 19, 2015

High school
A bullet traveling 700 m/s horizontally hits a target 150 m away. How far does the bullet fall before it hits the target?
November 19, 2015

math
paul salary is 2,172 monthly he spend 1/4 in rent 1/8 in car 5/8 in others how much spend monthly in car and rent?
November 19, 2015

math
The game of checkers is played on a square board. If the area is 256 square feet, what is the perimeter of the board?
November 19, 2015

Social Studies
Well- this is kind of social studies...so anyway, I have to do a presentation on automobiles and I wanted to know some problems with automobiles in the 1920's? I already have: The automobiles scared horses because they were so noisy, people drove there cars instead of ...
November 19, 2015

algebra
The area of a circle is 78.5 square centimeters, and a subtending arc on the circle has an arc length of 6pi. The estimated value of is 3.14. what is the measure of the angle subtended by the arc in degrees?
November 19, 2015

scale factors
The model of airplane has a wings[an of20 inches. The model scale of 1 inch = 3.5 feet. what is the wingspan of the actual airplane.
November 19, 2015

Math
Thanks Reiny
November 19, 2015

PHYSICS

November 19, 2015

PHYSICS
7.5 minutes
November 19, 2015

psychology
do dolescent boys engage in some law-breaking behaviors while in their teens
November 18, 2015

IT
Where would you find an address book on email? Archive - Would be old data files. Inbox - Like your mailbox. Insert - Command Tools - Control panel type. I'm thinking A but I am absolutely not sure, final for my course. They are all stupid answers, but which is the least?
November 18, 2015

chemistry
fluorine
November 18, 2015

chemistry
how many liters of ammonia at STP are required to produce 4.65 grams of hydrogen fluoride?
November 18, 2015

Quick English check ms sue
Select the term that is best represented by each statement below. Use the words complement, concern, contend, efficacious, emulate, exploit, facile, industrious, obtain, resuscitate. Correct me if I'm wrong on any of these! Thank you. 1. "I strive to win." (...
November 18, 2015

physics
Two ice skaters of equal mass grab hands and spin in a circle once every four seconds. their arms are 0.76 m and they each have mass of 55.0 kg. how hard are they pulling on one another?
November 18, 2015

physics
1. To answer this you use the formula W=fd, you have the force because the piano is moving at a slow constant rate so its overcoming its gravity in the X direction, so you can find F and 2.26M is your Displacement (D)
November 18, 2015

chemistry
You have a 250ml solution of 0.13M calcium iodate. How many grams of potassium iodate need to be added to the solution to begin to precipitate calcium iodate? The solubility product constant for calcium iodate is6.47 *10^-6. B) you have a 250ml solution of 0.13 M calcium ...
November 18, 2015

Business
Is Mcdonalds expanding into the McCafe business considered a blue ocean strategy?
November 18, 2015

english
it's still cheating! just because someone takes a test online doesn't mean her getting the answers isn't cheating. I'm sure she's a smart girl. It's called STUDYING. I just don't want you to get in trouble with school, and you aren't sufficient;...
November 18, 2015

english
yeah, she means do it yourself, not get people online to answer your questions for you. And, how can you know if you already got a 50 if you haven't even gone back to school for your teacher to grade it?
November 18, 2015

english
karma for cheating
November 18, 2015

Math
What is 75% of 260
November 18, 2015

chemistry
pls help me to solve this problem
November 18, 2015

chemistry
You have a 250ml solution of 0.13M calcium iodate. How many grams of potassium iodate need to be added to the solution to begin to precipitate calcium iodate? The solubility product constant for calcium iodate is6.47 *10^-6. B) you have a 250ml solution of 0.13 M calcium ...
November 18, 2015

Chemistry
What is the function of a salt bridge in a galvanic cell? 1. To permit electrons to flow through the solution. 2. To maintain a steady flow of reactants from the cathode to the anode. 3. To form complex ions with the products of oxidation at the anode. 4. To maintain ...
November 18, 2015

physics
During a baseball game, a batter hits a popup to a fielder 80 m away. The acceleration of gravity is 9.8 m/s2 . If the ball remains in the air for 5.5 s, how high does it rise? Answer in units of m.
November 18, 2015

Chemistry
A solution is prepared by dissolving 3.0 × 10-4 mol of AgNO3 and 3.0 × 10-5 mol of K2CrO4 in 1.00 liter of solution. With respect to Ag2CrO4 (Ksp = 1.9 × 10-12), is the resulting solution saturated, supersaturated, or unsaturated? I know you do [Ag][CrO4} but...
November 18, 2015

Chemistry
2.3
November 18, 2015

Lisa Hines
Do your own work Lisa Hines, if you are a Connexus user, they could have you kicked out of the school! So dont go around asking others for their answers, remember, YOUR GRADE.
November 18, 2015

Chemistry
One half-cell in a voltaic cell is constructed from a silver wire electrode in a .25 M solution of AgNO3 . The other half-cell consists of a zinc electrode in a .001 M solution of Zn(NO3)2. Calculate the cell potential I have no idea and am so stressed, Help please
November 18, 2015

Chemistry
What is the net ionic equation of potassium carbonate combines with strontium hydroxide?
November 18, 2015

Chemistry
What is the net ionic equation of potassium carbonate combines with strontium hydroxide?
November 18, 2015

English
The subject of the sentence is the video game (or is it Pac-Man?) the verb is 'spans.' A video game /which spans the ages/ is Pac Man. The only part that makes sense as an adjectival clause is 'which spans the ages' because it begins with 'which.' is it...
November 18, 2015

English
Could you help me understand why 2 is wrong? I thought "A video game" was the modifier. Is it "which spans the" ?
November 18, 2015

English
Please check my answers! This story was pretty confusing to me. 1. The purpose of the anecdotes in "The Last Judgment" about each person Kugler has known serve most to A. generate sympathy for Kugler B. Add characters to the story C. Help the judges make their ...
November 18, 2015

Economics senior secondary school 1
These nuts
November 18, 2015

chemistry
Maximum mass of water in combustion of 20g hydrogen?
November 18, 2015

Chemistry
I divided ksp of each one /M and then found which precipitate first is that right can you pls explain parts b and c thanks!
November 18, 2015

Chemistry
Silver chloride has Ksp=1.6x10^-10 and silver cheomate has Ksp=9.0x10^-12. We have 1.00 liter of a solution contains both nacl(0.10M) and Na2cro4(0.10M) solid AgNo3 is added slowly and the solution is stirred well. a) which precipitate first Agcl or AgCro4? B)what are the ...
November 18, 2015

chemistry
please show the step by step for theoretical yield /yield % of 1.963g NaHCO3-Na2CO3
November 18, 2015

business
follow your dreams
November 18, 2015

Chemistry
Thanks!
November 18, 2015

math
haha
November 18, 2015

PHYSICS
A meter stick lies along the x-axis, centered at the origin. An upward force of 6.0 N is applied at x = 30 cm, and an upward force of 8.0 N is simultaneously applied at x = −40 cm. What is the net torque on the meter stick, taking into account usual sign conventions?
November 18, 2015

Math
No problem. Good luck with your studies!
November 17, 2015

Math
ok good work. multiply your answer by 60 because there are 60 minutes in an hour. (43/30)60 = 86 minutes which translates to 1 hour and 26 minutes
November 17, 2015

Math
43/30
November 17, 2015

reading
I can't get all 12 letters but I got unsteadiest
November 17, 2015

Math
1/15
November 17, 2015

MATH
1. -1/7 2.2/5 3. -2/3 4. 2/11 5. -11/35
November 17, 2015

maths
18
November 17, 2015

maths
how many panels do I need to enclose a pool area if it was 12 meters long and 6 meters wide and if the panels where 2 meters long each
November 17, 2015

PHYSICS
In an old house, the heating system uses radiators, which are hollow metal devices through which hot water or steam circulates. In one room the radiator has a dark color (emissitivity = 0.810). It has a temperature of 65.0 oC. The new owner of the house paints the radiator a ...
November 17, 2015

Chemistry (Help)
I don't understand the dividing by 2. Could you explain more?
November 17, 2015

Chemistry (Favor?)
Also, could you please check my question with 578 g of C57H110O6 on page two?
November 17, 2015

Chemistry (Help)
For this one I actually think it's -75520 KJ/mol
November 17, 2015

Chemistry (Help)
55x2 = 110 on the right but have 220 on the left
November 17, 2015

Chemistry (Help)
If I use 55 for H2O, then the H isn't balanced
November 17, 2015

Chemistry (Help)
Calculate the DHrxn of C57H110O6 (s) + O2(g) --> CO2(g) + H2O(l) with DHf. C57H110O6(s) -390.70 O2(g) 0 CO2(g) -393.5 H2O(l) -285.840 I balanced the equation: 2C57H110O6 (s) + 163O2(g) --> 114CO2(g) + 110H2O(l) and my work: DHrxn = [(114x -393.5)+(110x -285.840)] - [(2x...
November 17, 2015

PHYSICS
In an old house, the heating system uses radiators, which are hollow metal devices through which hot water or steam circulates. In one room the radiator has a dark color (emissitivity = 0.810). It has a temperature of 65.0 oC. The new owner of the house paints the radiator a ...
November 17, 2015

Chemistry (Help)
Thank you. Sorry for all the questions.
November 17, 2015

Chemistry (Help)
-2816 KJ/mol?
November 17, 2015

Chemistry (Help)
how would I enter it into my calculator? I've entered it multiple ways and gotten different answers for each
November 17, 2015

Chemistry (Help)
Calculate the DHrxn of C6H12O6 (s) + O2 (g) --> CO2 (g) + H2O (l) with DHf. C6H12O6(s) -1260.04 O2(g) 0 CO2(g) -393.5 H2O(l) -285.840 I balanced the equation: C6H12O6 (s) + 6O2 (g) --> 6CO2 (g) + 6H2O (l) and my work: DHrxn = [(6x -393.5)+(6x -285.840)] - [(1x -1260.04...
November 17, 2015

PHYSICS
The amount of radiant power produced by the sun is approximately 3.9 × 1026 W. Assuming the sun to be a perfect blackbody sphere with a radius of 6.96 × 108 m, find its surface temperature (in kelvins).
November 17, 2015

math
800001000
November 17, 2015

LA 3 questions plz help me asap
a d c
November 17, 2015

PHYSICS
A person's body is covered with 1.28 m2 of wool clothing. The thickness of the wool is 2.07 × 10-3 m. The temperature at the outside surface of the wool is 13.8 °C, and the skin temperature is 34.6 °C. How much heat per second does the person lose due to ...
November 17, 2015

PHYSICS
Ideally, when a thermometer is used to measure the temperature of an object, the temperature of the object itself should not change. However, if a significant amount of heat flows from the object to the thermometer, the temperature will change. A thermometer has a mass of 31.2...
November 17, 2015

PHYSICS
Interactive Solution 12.29 presents a model for solving problems of this type. A thin spherical shell of silver has an inner radius of 5.64 x 10-2 m when the temperature is 24.1 °C. The shell is heated to 133 °C. Find the change in the interior volume of the shell.
November 17, 2015

PHYSICS
A steel section of the Alaskan pipeline had a length of 58.4 m and a temperature of 24.5 °C when it was installed. What is its change in length when the temperature drops to a frigid -45.7 °C?
November 17, 2015

math
185:370
November 17, 2015

PHYSICS
Suppose you are hiking down the Grand Canyon. At the top, the temperature early in the morning is a cool 3.36 °C. By late afternoon, the temperature at the bottom of the canyon has warmed to a sweltering 33.1 °C. What is the difference between the higher and lower ...
November 17, 2015

Trig right triangle
no
November 17, 2015

history/scocal studies
wat is the answer/?
November 17, 2015

history/scocal studies
strong state government
November 17, 2015

Science
1) Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered a part of Earth’s ...
November 17, 2015

PHYSICS
The latent heat of fusion for water is 33.5 × 104 J/kg, while the latent heat of vaporization is 22.6 × 105 J/kg. What mass m of water at 0 °C must be frozen in order to release the amount of heat that 2.47 kg of steam at 100 °C releases when it condenses?
November 17, 2015

PHYSICS
Astronauts on a distant planet set up a simple pendulum of length 1.2 m. The pendulum executes simple harmonic motion and makes 100 complete oscillations in 450 s. What is the magnitude of the acceleration due to gravity on this planet?
November 17, 2015

Chemistry
-75520 (578 / 2(891.4468)g = -24483 J
November 17, 2015

Chemistry
-11385 J
November 17, 2015

Chemistry
If you have a 578 g of fat (tristearin) stored in your body, how much heat will be produced when it is metabolized? tristearin is C57H110O6 The chemical reaction: C57H110O6(s) + O2(g) --> CO2(g) + H2O (l) DHf: C57H110O6(s) -390.70 O2(g) 0 CO2(g) -393.5 H2O(l) -285.840 I don...
November 17, 2015

Physics
If 7.20 kg of ice at -5.00°C is added to 12.0 kg of water at 30°C, compute the final temperature.
November 17, 2015

general chemistry
Determine the concentrations of Na2CO3, Na , and CO32– in a solution prepared by dissolving 2.57 × 10–4 g Na2CO3 in 1.50 L of water. Express all three concentrations in molarity. Additionally, express the concentrations of the ionic species in parts per million...
November 17, 2015

PHYSICS
A spring is hung from the ceiling. A 0.477 -kg block is then attached to the free end of the spring. When released from rest, the block drops 0.153 m before momentarily coming to rest, after which it moves back upward. (a) What is the spring constant of the spring? (b) Find ...
November 17, 2015

PHYSICS
A block of mass m = 0.889 kg is fastened to an unstrained horizontal spring whose spring constant is k = 89.4 N/m. The block is given a displacement of +0.128 m, where the + sign indicates that the displacement is along the +x axis, and then released from rest. (a) What is the...
November 17, 2015

Algebra
WHAT IS IT
November 17, 2015

Algebra
40=30/8(26+8)
November 17, 2015

Algebra
i don't get it
November 17, 2015

Algebra
why can't anybody answer this?!?!?!?
November 17, 2015

Algebra
Can someone please answer the question, like, today
November 17, 2015

Algebra
is someone not going to answer this
November 17, 2015

Algebra
what's the answer
November 17, 2015

Algebra
A college football coach wants to know if the is a correlation between his players' leg strength and the time it takes for them to sprint 40 yards. he sets up the following test and records the data: Every day for a week, he counts how many times each player can leg press ...
November 17, 2015

Chemistry
Sorry, but I didn't write the question, my teacher did. I did deltaH/T=deltaS, and I got 17.81cal/Kmol Is the conversion factor for cal to J 4.1858? If so I used that and got 74.5 (answer 5?)
November 17, 2015

Chemistry
The standard entropy change for 1.00 moles of Ar as it evaporates at -185.7 °C (∆H°-185.7 = 1558 cal mol-1) is? 1. 17.8 J mol-1K-1 2. 87.5 J mol-1K-1 3. 15.0 J mol-1K-1 4. 46.0 J mol-1K-1 5. 74.5 J mol-1K-1 6. none of the previous answers I thought I would use ...
November 17, 2015

PHYSICS
Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 1.5 cm, and the radius of the nozzle is 0.42 cm. The speed of the water in the pipe is 0.68 m/s. Treat the water as an ideal fluid, and determine the absolute pressure of the water in ...
November 17, 2015

PHYSICS
The truck in that example is traveling at 19 m/s. The density of air is 1.29 kg/m3. By how much does the pressure inside the cargo area beneath the tarpaulin exceed the outside pressure?
November 17, 2015

PHYSICS
A duck is floating on a lake with 22% of its volume beneath the water. What is the average density of the duck?
November 17, 2015

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