Questions Asked on
June 27, 2013

Chemistry
Two 20.0g ice cubes at –20.0 °C are placed into 295 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts. Heat capacity of H2O(s)=37.7J Heat capacity
asked by Jessica 
government
1. The Framers of the US Constitution supported political parties. A) True B) False 2. The US is predominantly a multiparty system. A) True B) False 3. The main focus of major parties is to nominate candidates and get them elected. A) True B) False 4. The
asked by Allison 
science
How much heat is absorbed when 52.3 g H2O(l) at 100°C and 101.3 kPa is converted to steam at 100°C? (The molar heat of vaporization of water is 40.7 kJ/mol.)
asked by michael 
Chemistry
If you weigh out 2.083 g Fe(NO3)3·9H2O, what is the final concentration of the dilute Fe(NO3)3 solution that you make?
asked by Sarah 
maths
1. a man sells a tv for rupees 3450and makes a profit of 15% . he sells a second tv set at a loss of 10%.if on the whole he neither gains nor loses , find the cost price of the second tv. 2.a man sells two tables at the same price. on one he makes a profit
asked by cutie !!! help me please 
english
Sketch character of lencho (class 10th cbse course)
asked by Dwithun Basumtary 
U.S. Government
1. Amendment  gave all men the right to vote regardless of race.  15? 2. People who believe voting is important have high political cc.  efficacy? 3. It is an essential part of democracy in action, for the people to e.  vote? 4. The age
asked by Allison 
math
line L bisects and is perpendicular to line AB and line CD. Line AB = CD line AB = 140 and line LM = 24 what is the lenght of line NQ
asked by debra 
Government (Check Answers)
1. What is the procedure of voter identification intended to help prevent fraudulent voting and keep the process organized? A) political socialization B) registration C) gerrymandering D) precinct divisions E) franchising 2. What do you call all the
asked by Allison 
To Mara; Re: algebra
I accidentally deleted your post. Sorry. a 10 foot board is cut into two pieces. If one peace measures x, write an expression for the lenght of the other piece 10  x = y
asked by Ms. Sue 
chemisty
calculate the heat energy released when 25.8 g of liquid mercury at 25 C is converted to solid mercury at its melting point. Constants for mercury at 1 atm: heat capacity of Hg>28.0 melting point>234.32 K enthalpy of fusion>2.29 kj/mol
asked by Jill 
physics
5. A bowling ball (mass = 7.2 kg, radius = 0.13 m) and a billiard ball (mass = 0.45 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other?
asked by sam 
Chemistry
what is the molarity of 28.9 g of CaCl2 dissolved in water to make 0.78 L solutions?
asked by Chantil 
chemistry
Two 20.0 g ice cubes at 16.0 C are placed into 285 g of water at 25.0 C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts. heat capacity of H2o(s)>37.7 heat capacity of
asked by Jill 
English 10
Add punctuation to the following excerpt. Irving continues in those days, the heart of lover could not contain more than one lady at a time a modern gallant has often room enough to accommodate half a dozen either the hearts of the gentleman have grown
asked by Sally 
physics
The highest barrier that a projectile can clear is 13.4 m, when the projectile is launched at an angle of 11.0o above the horizontal. What is the projectile’s launch speed?
asked by brain 
chemistry
how many grams of copper is displaced from copper sulphate solution by adding 27 grams of aluminium
asked by amish 
Java Programming
I need to create a pseudocode for the follwing application: Write Javalike pseudocode to specify the logic for the following program application: Write an application that prompts an employee for an hourly pay rate and hours worked. Compute gross pay
asked by John 
physics
A 3 N weight slides down a ramp made of sandpaper. The coefficient of friction is 0.8, and the ramp is at an angle of 50° to the horizontal. How could you calculate the magnitude of the friction force? A. 3 N × sin(50°) B. 3 N × 0.8 × 50° C. 3 N ×
asked by joe 
Physics
A cylinder with moment of inertia 22.1 kg m2 rotates with angular velocity 5.71 rad/s on a frictionless vertical axle. A second cylinder, with moment of inertia 28.3 kgm2, initially not rotating, drops onto the first cylinder and remains in contact. Since
asked by Wolves 
physics
Batman is standing on a cliff 120 m high. He is testing a new bat grappling hook. He fires the hook with an initial velocity of 85 m/s at an angle of 45o with respect to the horizontal. How far from the base of the cliff (d) does the hook land?
asked by willy 
statistics & probability
according to a survey, 30% of 1825 year olds have blue eyes. In a random sample of 8 people in this age group what is the probability that exactly 0 have blue eyes?
asked by Madison 
ENGLISH
dear sir i would like to know abstract noun for certain common nouns eg agent ,thief,pilgrim,glutton.
asked by chetna 
To Minnie
I deleted your original post because it included an email address. In order to keep everyone safe, our policy is not to allow email addresses to be posted. If you write your text here, we'll be glad to help you with it. Then, when we're finished
asked by Ms. Sue 
Statistics
If 1000 raffle tickets were sold for a TV prize that is worth $275 and a ticket number is drawn to determine the winner, what is the expected value of the raffle?
asked by Amanda 
Can someone please check my answer for chemistry
Compelete the following table for an ideal gas. P= 7.74*10^3 Pa V= 10.3 mL N= ? T= 25°C I'm getting 3.20e4, but my online homework says its wrong, what am I doing wrong?
asked by Mary 
english
how to convert common noun in to abstract noun eg. agent, glutton,pilgrim. please help.
asked by chetna 
physics
11. A majorleague pitcher can throw a baseball in excess of 42.4 m/s. If a ball is thrown horizontally at this speed and acts like a projectile, how much will it drop by the time it reaches the catcher who is 17.0 m away from the point of release?
asked by vector 
Chemisty (How do I calculate)
What is the Molar Enthalpy of Neutralization (ΔHn) in kJ/mol if 5.00 moles of HCl(aq) (acid) neutralized 5.00 moles of NaOH(aq) (base) and released 16396 J of heat?
asked by Mary 
Business Math
You are the owner of a JaniKing cleaning service franchise. Your accountant has determined that your business will need $27,500 in new equipment in 3 years. If your bank is paying 6% interest compounded monthly, how much must you invest today to meet this
asked by Tee 
physics helpdifficult
i want the answer just don't leave it upon me just giving the process..................................................................................................Two thin and identical steel rods move with equal speeds v=1 m/s in opposite directions
asked by lin 
Business Math
Quinn and Julius inherited $50,000 each from their greatgrandmother’s estate. Quinn invested her money in a 5year CD paying 1.6% interest compounded semiannually. Julius deposited his money in a money market account paying 1.05% compounded monthly. How
asked by Tee 
keith
drop a ball from a height of 1.5 meters. Calculate its seed when it hits the floor
asked by aaron 
statistics
Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adults by IBR Polls
asked by Katelyn 
Physics (Stress & Strain)
What is the factor of safety of a steel hanger having an ultimate strength of 550.000MPa and supporting a load of 79000.000N. The steel hanger in question has a cross sectional area of 7.000cm^2. ANS = (Round to 3 decimal places) ultimate strength =
asked by Danny 
Please check
Compelete the following table for an ideal gas. P= 7.74*10^3 Pa V= 10.3 mL N= ? T= 25°C I'm getting 3.20e4, but my online homework says its wrong, what am I doing wrong?
asked by Mary 
02604400
teachers aid
asked by Anonymous 
Business Math
To determine the compound amount of an investment of $10,000 with an interest rate of 6% compounded monthly after 4 years requires you to use a table factor that goes beyond the Compound Interest Table. Calculate the new table factor for this investment.
asked by Tee 
Business Math
Fred North owns Redlands Farms, a successful strawberry farm. The strawberry plants increase at a compound rate of 12% each year. Each year Fred brings new land under cultivation for the new strawberry plants. If the farm has 50 acres of strawberry plants
asked by Tee 
Language and other barriers
An example of an exceptional child is one who
asked by Grace 
Maths
History of number
asked by Dwithun Basumtary 
english
Biography of nelson mendela
asked by Dwithun Basumtary 
science(physics)
a ball of mass 8kg falls from rest from a height of 100m negleting a resistant calculate its kinetic energy after falling a distance of 30m (take gravity as 10m/s?
asked by williams 
physics
. A cannon ball is fired horizontally with an initial speed of 75 m/s from the top of a 50m tall building. When the ball hits the ground, its velocity vector makes an angle θ with the horizontal. What is θ ?
asked by vector 
physics
Geosynchronous communications satellites are placed in a circular orbit that is 3.59 107 m above the surface of the earth. What is the magnitude of the acceleration due to gravity at this distance?
asked by bill 
statistics
Which of the following criteria must be met to do a onesample test for a proportion? A. The data values in the sample must be independent. B. The parent population must be normally distributed. C. The data must come from a random sample. D. The sample
asked by Katie 
Maths
What for the area of Sqaure?
asked by Jnr John 
Business Math
Compute the amount of compound interest earned in 1 year for an investment of $1,000,000 with a nominal interest rate of 8% compounded quarterly.
asked by Tee 
Business Math
Compute the Annual Percentage Yield (APY) for the investment in the previous question. (Round APY to the nearest hundredths of a percent.)
asked by Tee 
Business Math
Bob and Joy Salkind want to save $50,000 in 5 ½ years for home improvement projects. If the Bank of Aventura is paying 8% interest compounded quarterly, how much must the couple deposit now to have the money for the projects?
asked by Tee 
English
how do Huck and Jim feel about the sanctuary of the raft and how do they feel about the violence and shame of the shore? I have to make a collage on this and I don't really know what to put. I was thinking of drawing a river and in the inside of the river
asked by HELP 
Ganguage barriers
If a child displays discriminatory behavior in the classroom, one should
asked by Grace 
english grammar
write an essay on the the topic government has granted a large amount of money to your school to construct a hobby room and buy instruments for your school orchestra. why would you like to have the two in your school.
asked by tina 
Maths
History of pie
asked by Dwithun Basumtary 
ENGLISH
can you please help me to solve this task? Complete the sentences with the correct form of the verbs in brackets. I 1 _____________________ (go) to the gym for quite a long time and I 2 _____________________ (still wait) to see some results. Every time I
asked by anna 
ENGLISH
can you write me an essey students should be further based on homework than the hobby and sport just something that I see how that need to be
asked by bruna 
essex county
a robe exert a force on a 20kg crate. the crate starts from rest and accelerates upward at 5m/s^2 near the surface of the earth. how much work was done by the force in raising the crate 4.0m above the floor?
asked by bk 
Community:Help!
1. Determine a need within your community. There are many ways by which you can obtain this kind of information. 2.Once you have determined the need you would like to address, make a list of potential volunteer or service projects that could impact this
asked by Adria 
physics
how to show with the help of a model that resistivity of a conductor increases with increase in temperature?
asked by edward 
Community:Help!
Once you have determined the need you would like to address, make a list of potential volunteer or service projects that could impact this need. Explain why this effort is important to your community. Since I have to write this in a complete paragraph, do
asked by Adria 
Economics
What do you think are the pluses (advantages) and minuses (disadvantages) when firms have market power? Be sure to explain your answer from a consumer and a firm’s point of view. why did ESPRIT closed all stores in the U.S. Include a few of these word
asked by Megan 
Chemistry problem check
Compelete the following table for an ideal gas. P= 7.74*10^3 Pa V= 10.3 mL N= ? T= 25°C I'm getting 3.20e4, but my online homework says its wrong, what am I doing wrong?
asked by Mary 
Math
The population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan areas. The data are shown in the following table. Do these data provide evidence to reject the null hypothesis that ƒÏ = 0 in favor of ƒÏ ‚ 0 at
asked by Tracy 
Physics (Stress & Strain)
The ultimate strength of a steel rod is 550.000MPa. If the factor of safety of 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 4.100cm? ANS = kN (Round to 3 decimal places) ultimate strength = 550.000MPa Factor
asked by Danny 
Math
Consider the following ANOVA experiments. (Give your answers correct to two decimal places.) (a) Determine the critical region and critical value that are used in the classical approach for testing the null hypothesis Ho: ì1 = ì2 = ì3 = ì4 = ì5, with
asked by Tracy 
econ 112
A random sample of 400 morning shoppers showed that 130 were men. A random sample of 480 evening shoppers showed 187 to be men. Use a 5% level of significance to test for a significant difference in the proportion of morning and evening male shoppers. What
asked by Anonymous 
mitx 2.01x
We will obtain bending moment diagrams for three beams and calculate stresses inside the beams. For each beam, take the axis along the neutral axis of the beam, oriented from left to right, with origin at .
asked by Anonymous 
Chemistry please help
Compelete the following table for an ideal gas. P= 7.74*10^3 Pa V= 10.3 mL N= ? T= 25°C I'm getting 3.20e4, but my online homework says its wrong, what am I doing wrong?
asked by Mary 
physics
A diffraction grating has 5540lines/cm . When a beam of monochromatic light goes through it, the second pair of bright spots occurs at ±26.0cm from the central spot on a screen that is 42.5cm past the grating. To see if the 'small angle approximation' is
asked by Avantika 
Business Math
calculate the compound amount after 5 years for an investment of $7,700 at 6% interest compounded quarterly.
asked by Tee 
accounting 305
You are reviewing the December 31, 2012 financial statements of Ellie's Antiques that is considering an initial public offering of its shares. The following items come to your attention
asked by Anonymous 
Economics
What do you think are the pluses (advantages) and minuses (disadvantages) when firms have market power? Be sure to explain your answer from a consumer and a firm’s point of view. why did ESPRIT closed all stores in the U.S. Include a few of these word
asked by Megan 
physics
The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person’s eyes and the building is 87.8 m. In part a the person is looking at the base of the antenna, and his line of sight makes
asked by josh 
Biotech
So our proposal in our biotech is all about wine, so I'm wondering, before, why do people usually use grapes in making wine and not using other sweet fruits like apple, or orange? Does Grapes contain Yeast?? And also how will a wine turn into a Vinegar?
asked by MiraJane 
health
how do you lose weight
asked by jamie 
trig, math
A stairway must be built to a deck that is 20 feet above ground level. To the nearest half foot, how far from the base of the deck, on ground level, should the beginning of the stairway be placed so that the stairway forms a 60° angle from the ground?
asked by Mason 
College Algebra
Can someone tell me if I have this one correct. log_1/2x 2+log_1/2x the relationship is a shift of 1 unit horizontally
asked by Julie 
chemistry
Determine the gram molecular weight of 3.5 moles of H2O2
asked by monica 
Algebra 1A
What do you do to graph (and shade) a system that does overlap?
asked by Kim 
physics
Two forces act on a 10kg mass. The first force has a magnitude of 15 N and pushes the mass due North. The second force has a magnitude of 25 N and pushes the force due West. What is the magnitude and direction of the acceleration of the mass?
asked by gale 
English
Can you please have a look at these questions I need to prepare for tomorrow? 1) Outline briefly the main features of English Romanticism. 2) Give a definition of primary and secondary imagination as given by Coleridge in his Treaty of Philosophy. 3) Which
asked by John 
Psychology
what are some strategies that you can suggest for adults to age successfully?
asked by Jay 
Psychology
How can we enhance our knowledge of adult development?
asked by Jay 
Math
Find the value of t for the difference between two means based on an assumption of normality and this information about two samples. (Use sample 1  sample 2. Give your answer correct to two decimal places.) Sample Number Mean Std. Dev. 1 25 38.6 13.7 2 29
asked by Tracy 
Statistics
Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adults by IBR Polls
asked by Katie 
math
Find the value of z that would be used to test the difference between the proportions, given the following. (Use G  H. Give your answer correct to two decimal places.) Sample n x G 386 327 H 414 321 .
asked by Tracy 
Physics
Car A uses tires for which the coefficient of static friction is 0.357 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 27.7 m/s. Car B uses tires for which the coefficient of static friction is 0.737 on the
asked by Justin S. 
Statistics
Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adult women by IBR
asked by Katie 
psychology
When anxiety occurs in brief but very intense episodes that usually consist of a pounding heart, sensations of choking, shaking, and feelings of impending death, a diagnosis of ________ may potentially be made.
asked by Anonymous 
math
How many ways can the integers 1,1,2,3,4,5,6 be arranged in a row, so that no integer is immediately adjacent to two strictly larger integers? NOTE: The sequence 3,1,2,4,5,6,1 is not valid as 1 is adjacent to 2 and 3, both of which are strictly larger than
asked by Help 
Math
How do i get 2 consecutive numbers (pair numbers) that they product is 272? 4X² + 4X  272=0
asked by Andrey 
physics
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.95 m/s. The car is a distance d away. The bear is 37.0 m behind the tourist and running at 7.80 m/s. The tourist reaches the car safely. What is the
asked by lojain 
chemistry
find the ph of the resulting solution 10 ml of 0.06 mol/l is mixed with 20 ml of 0.02 mol.l Ca(OH)2
asked by nina 
physics
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.95 m/s. The car is a distance d away. The bear is 37.0 m behind the tourist and running at 7.80 m/s. The tourist reaches the car safely. What is the
asked by lojain 
ENGLISH
you really help me at a last one and if you have some time can you help me whit this too? Read the text and choose the correct answer. ok,everyone,listen,please,I want to go over the plans for tonight one more time.Henrys train_________at eight o'clock and
asked by anna 
ENGLISH
aha i really didn't know what is this for shure so thans anyway
asked by anna 
American government
I am to develop a policy to increase voter turnout. It is to be a powerpoint presentation. I want to addresses such things as online voting, lowering the voter, and early voting. I am not sure if this is the right way to go. Can someone please help me.
asked by angela 
physics
Determine the kinetic energy of an object 8.0 kg going at a speed of 12.0 m/s.
asked by janai 
Math
Which of the following classes has the largest ratio of boys to girls?
asked by Jessica 
definition
What is the definition of impact.
asked by Celest 
Physic
A body was lifted 2m above the ground and then dropped. It hit the ground with 5 kg of kinetic energy. How much work was done to lift 2m Someone please help I'm stuck
asked by Amy 
Meaning
What does this mean? Make a list of potential volunteer or service projects that could impact this need.
asked by Adria 
Math (Calculus)
A(1,0) is a point on the parabola y=2x(x−1). From point A, point P is moving along the curve towards the origin O(0,0). As P → O, sec^2∠APO → N, where N is a positive integer. What is the value of N?
asked by Bob 
trig, math
In a right triangle with g the right angle, b = 86.5 and c = 125.8. What is β ?
asked by John 
Math (Limits)
(1,0) is a point on the parabola y=2x(x−1). From point A, point P is moving along the curve towards the origin O(0,0). As P→O, sec^2∠APO→N, where N is a positive integer. What is the value of N?
asked by Bob 
english
full essay on climate change
asked by ashika