Tuesday
June 28, 2016

Posts by adam

Total # Posts: 995

Chemistry
What causes a reaction to be spontaneous? Answer by answering each part a) (1 point) What is definition of spontaneous reaction?b) (1 point) What is Gibbs free energy?c) (1 point) How is Gibbs free energy related to a spontaneous reaction?d) (1 point) What is an example of a ...
May 17, 2016

Chemistry
The solubility product constant of Calcium hydroxide is 6.5 * 10^-6 . If 0.10 mo of sodium hydroxide is added to 1 L of 0.0001 M Ca(OH)2, what is the final concentration of the calcium ion? SHOW your work. Again, I have no idea where to start
May 17, 2016

Chemistry
A 45.0 g piece of copper wire is heated. And the temperature of the wire changes from 21.0 degrees C to 88.0 degrees C. The amount of heat absorbed is 280.6 cal. Find the specific heat of Copper. SHOW your work. Please help! I have no Idea where to start or what to do
May 17, 2016

Physics
Urgent. A density bottle weigh 0.25 when empty and 0. 75 when. Filled with water and 0.65N when filled with alcohol calculate the volume of water,the density of alcohol. Take density of water=1000kg/m3 acceleration due to gravity= 10m/s
May 13, 2016

Math 1324
A manufacturer produces two models of elliptical cross-training exercise machines. The times for assembling, finishing, and packaging model A are 3 hours, 3 hours, and 0.8 hour, respectively. The times for model B are 4 hours, 2.5 hours, and 0.4 hour. The total times available...
May 10, 2016

Language Arts
wet with dew straggly branches slapped and scratched at my legs and hid uneven ground so that several times tumbling and sliding downward which type of conflict best characterizes the event in the passage? a character vs self b character vs nature c character vs society d ...
May 10, 2016

Chemistry
The nitric acid was purchased as a solution that has 70% HNO3. That volume (mL) of this solution is necessary for preparing 250 mL Solution 2.0 mol L-1? The density of HNO3 (aq) 70% is 1.42 g cm-3
May 10, 2016

Chemistry
How many grams of sucrose will be necessary to prepare 300 ml of a 5% solution of sucrose (342.0 g/mol)
May 9, 2016

Math
A bowl has red,green and blue marbles.There are 95 red marbles.the nuber of blue marbles is 5 timesthe number of green mables altogether red and green marbles are 189 less then blue marbles .how may marbles are there in total
May 6, 2016

Calculus
An object's velocity after t seconds is v(t)= 38-2t feet per second. a. How many seconds does it take for the object to come to a stop (velocity = 0)? b. How far does the car travel during that time? c. How many seconds does it take the car to travel half the distance in ...
April 29, 2016

Chemistry
What mass of CaO, can get by the decomposition of 250 g of CaCo3 with 80% purity?
April 23, 2016

Chemistry
You get poo and put in poo
April 13, 2016

Algebra
5, 12, 13
March 23, 2016

Nuclear
Per GWe-year, a 3700 MWt Sodium Fast Reactor produces 558 kg and consumes 789 kg of fissile plutonium in the core while producing 455 kg and consumes 34 kg of fissile plutonium in the reflector (breeding blanket). Assume 200 MeV per fission and a capture-to-fission ratio of 0....
March 18, 2016

Physics
someone swings a bucket of water in a vertical circle. Describe the water's motion to another person? or How would you? & also how to explain the motion of the water to them? How come the water didn't fall on the persons head?
March 15, 2016

Algebra 1
The problem is: a raised to the 2nd power plus 14a raised to the 5th power plus a raised to the 7th minus 16
March 15, 2016

Math
Integration Given that: t ∫ (3X + 2) dx = (13/2) 1 Find the value of t
March 8, 2016

math
5+10=15 crickets 15+5=20 ladybugs He finds 20 ladybugs.;
February 25, 2016

Algebra
Write an equation for the line that passes through the points (0,5) and (4,12). Use any valid form of a linear line. b)You are taking a Yellow Cab in St. Paul from Como Park to the State Capitol (a 3.2 mile trek). When you get in, you are charged $6.90 for the likely amount of...
February 24, 2016

Math
A jet is flying through wind blowing 55mi/h at a bearing (clockwise from north) of 35°. The jet is flying with a speed of 550 mi/h at a bearing of 65°. Find the resultant of the planes velocity vector and the winds velocity vector. Also find its magnitude and direction...
February 23, 2016

CHEMISTRY
find the concentrations of H+, HCO3-, CO3 2- in a 0.025M in H2CO3 solutions
February 22, 2016

Math
5x-7(2-4x)
February 9, 2016

English
_____ and _____ are in Brooklyn What does this mean. It asked what borough we live in and I said Brooklyn and I don't get what the 2nd question is
February 2, 2016

US History
Yes, I know that the West was more rural and the East was more urban. What about the economy? That's what I'm having trouble with.
January 28, 2016

US History
I think someone might have already asked this question.... In American history, The West and the East, what were the major characteristics of each during the late 1800s? (Try to think broadly here and consider where economic power was concentrated, what the influences on each ...
January 28, 2016

U.S History
I think someone might have already asked this question.... In American history, The West and the East, what were the major characteristics of each during the late 1800s? (Try to think broadly here and consider where economic power was concentrated, what the influences on each ...
January 28, 2016

Chemistry
1. A graduate measured out a 100. mL hard water sample and titrated it with 37.6 mL of 0.0100 M EDTA solution for a total hardness endpoint, and 29.3 mL of 0.0100 M EDTA solution for a calcium endpoint. Calculate the molarity with respect to magnesium and calcium. Please ...
January 21, 2016

sociology
assist me on getting the correct answer because i don't quite understand all of it yet.
December 18, 2015

sociology
Identify the following: Social conflict, empowerment theory and feminist theory. How are the theories similar? How are the theories different? What are the implications for interventions and community development?
December 18, 2015

sociology
Existential psychology has four basic themes. Define the themes. How are those themes different from humanistic theory themes of positive psychology and suffering of existentialism?
December 18, 2015

Physics
A 2-kg small block is dropped from rest. The spring has a constant k = 500N/m. If the entire track is frictionless except for the 1m between points B and C, where the coefficient of kinetic friction is 0.15, find he maximum compression of the spring.
December 13, 2015

Physics
The Volume of air in a car tire is 800cm^3 and the pressure is 290kPa. Determine the volume the air would occupy as soon as the tire bursts on a day when the atmospheric pressure is 102kPa. (Assume that the temperature remains constant and assume an ideal gas)
December 5, 2015

Physics
The Volume of air in a car tire is 800cm^3 and the pressure is 290kPa. Determine the volume the air would occupy as soon as the tire bursts on a day when the atmospheric pressure is 102kPa. (Assume that the temperature remains constant and assume an ideal gas)
December 5, 2015

Physics
The Volume of air in a car tire is 800cm^3 and the pressure is 290kPa. Determine the volume the air would occupy as soon as the tire bursts on a day when the atmospheric pressure is 204kPa. (Assume that the temperature remains constant and assume an ideal gas)
December 5, 2015

english
how would you describe some who is crazy to jump from outer space to earth
December 5, 2015

Government
What is the difference between criminal and civil law?
December 5, 2015

Government
to limit supreme court
December 1, 2015

Government
does Congress have ability to change the structure and jurisdiction of the Court
December 1, 2015

Government
I think it is ( a ) or ( c ) but not sure What makes precedent important in our justice system? a) It is the current interpretation of the law. b) The US justice system does not use precedent. c) It provides a historical background but is not relevant in current cases. d) It ...
December 1, 2015

Government
I think it is ( a ) or ( c ) but not sure What makes precedent important in our justice system? a) It is the current interpretation of the law. b) The US justice system does not use precedent. c) It provides a historical background but is not relevant in current cases. d) It ...
December 1, 2015

Government
i think it is answer ( b ), can someone make sure What is the difference between criminal and civil law? a) There is no difference. b) The standard of guilt is higher in criminal law than it is in civil law c) The government is always involved in civil law but never in ...
December 1, 2015

chemistry
How do you work out the pKa of a substance from the titration curve that has two equivalence points?
November 30, 2015

Chemistry
Sulfuric acid is produced commercially by the reactions indicated below at the appropriate percent yields for each step. The second step utilizes air as a source of oxygen and heats it to 4000C in the presence of vanadium (V) oxide, a catalyst. Assuming air is 21% oxygen by ...
November 29, 2015

Chemistry
If 5.026g chromium is combined with 3.04L of chlorine gas at 0.955atm and 220C, what mass of chromium (III) chloride is produced?
November 29, 2015

Math
Thank You
November 27, 2015

Math
The table below represents the velocity of a car as a function of time: Time (hour) x Velocity (miles/hours) y 0 50 1 52 2 54 3 56 Part A: What is the y-intercept of the function, and what does this tell you about the car? Part B: Calculate the average rate of change of the ...
November 27, 2015

Chemistry
If 5.026g chromium is combined with 3.04L of chlorine gas at 0.955atm and 220C, what mass of chromium (III) chloride is produced?
November 27, 2015

Chemistry
What would the volume be of 0.955g of propane at 735 torr and 35.00C? And How many mols of xenon would be required to create a mixture with a mole fraction of xenon of 0.0190 if the mixture were also to contain 2.16mol argon and 3.612g neon? Thanks in adavance
November 27, 2015

Chemistry
what volume of oxygen at 423.0K and a pressure of 127.4kPa will be produced by the decomposition of 129.7g barium peroxide to form barium oxide and oxygen gas? Thank you
November 27, 2015

Chemistry
A Sample of propane, C3H8, occupies 5.00L at 270C and 309torr. The volume of the canister is changed to 1.85L while the pressure remains constant. What is the Temperature, in K and 0C, of the gas after the change? What would be the setup for this problem? Thank you.
November 26, 2015

Math
I need help on this one too
November 25, 2015

math
Pls give me the solution
November 21, 2015

math
How many of the 2-digit numbers, that can be formed by using the digits 1,2,3,.......,9 without repeating any digit, are divisible by4? If 2 boys and 2 girls are to be arranged in a row so that the girls are not next to each other, how many possible arrangements are there? A ...
November 21, 2015

math
Pls pls help
November 21, 2015

math
The average marks of 14 students was 71. It was later found that the marks of one of the students has been wrongly entered as 42 instead of 56 and of another as 74 instead of 32. What is the correct average? Average age of seven persons in a group is 30 years, the average age ...
November 21, 2015

math
Mam, I have a question where is .25 come from in 2nd question?
November 20, 2015

math
The cost price of 8 books is equal to the selling price of 6 books. Find the gain or loss per cent. Ashis purchases eggs at the rate of Rs 90 for 150 eggs and sells them at Rs 85 per hundred. Find his gain or loss per cent. Pls pls help***
November 20, 2015

math
A sum is invested at compound interest payable annually. The interest in two successive years was Rs 900 and Rs 981. Find the sum. If the sum of all internal angles and sum of all external angles of a regular polygon are equal, then the number of sides of the polygon is? Pls ...
November 20, 2015

math
A low land, 48m long and 31.5 m broad is raised to 6.5 dm. For this, earth is removed from a cuboidal hole, 27 m long and 18.2 m broad, dug by the side of the land. The depth of the hole will be? A man rows 12 km in 5 hrs against the stream, the speed of current being 4 kmph. ...
November 20, 2015

Math
Evan type 72 pages of notes one day. He typed one half of the pages in the morning and one third of the pages in the afternoon. He type the rest of the pages in the evening. How many pages of notes that he typed in the morning and afternoon
November 19, 2015

math
Thnx
November 19, 2015

math
The value of 4x^3-x/(2x+1)(6x-3) when x=9999 If 7 men working 7 hrs a day for each of 7 days produce 7 units of work, then the units of work produced by 5 men working 5 hrs a day for each of 5 days is? Pls help***
November 19, 2015

math
1. The amount Rs 2100 became Rs 2352 in 2 years at simple interest. If the interest rate is decreased by 1%, what is the new interest? 2. My grandfather was 9 times older than me 16 years ago. He will be 3 times of my age 8 years from now. Eight years ago, the ratio of my age ...
November 19, 2015

math
Thnx
November 19, 2015

math
A vendor bought 10 dozen eggs at the rate of Rs 22 per dozen. Six of the eggs were rotten. He sold the remaining eggs at the rate of Rs 2.50 per egg. Find his profit or loss. Ans-65 profit Pls help me
November 19, 2015

math
Pls help
November 19, 2015

math
Answer is 100m^3
November 19, 2015

math
A cubical water tank has each edge 5m long. Find the volume of water in the tank if 1/5th of the tank is empty. Pls help... Urgent***
November 19, 2015

math
A man buys 120 oranges at 6 a rupee and 12atmore at 5 a rupee and he sold the whole lot for 4 a rupee. What was his total profit and profit % ? Ans- Rs16, 36 4/11% Please help me to get the right solution of it.
November 18, 2015

math
Thnx Damon.
November 18, 2015

math
Please do something
November 18, 2015

math
It's 8.40 a dozen
November 18, 2015

math
But answer is rs 80.50
November 18, 2015

math
Sohini bought 400 eggs at Rs 8.40 a dozen. At what price per hundred must she sell them so as to earn a profit of 15 percent? Give me the solution of it. Urgent**
November 18, 2015

Geography
How has Italy’s economy changed since 1950?
November 6, 2015

Science - N Cycle Management
Consider a heavily grazed pasture of fescue grass mixed with clover (clover is a legume) on a spring day. Assume it has not rained for several days and the soil has drained below field capacity. (Remember that cattle not only consume grass, but also destroy some by walking on ...
November 4, 2015

Science - N Cycle Management
Consider a corn field in the spring at the end of April. The field has been heavily tilled in the fall and all residues have been incorporated in the soil, and are decomposed by this time. Chemical fertilizer (an inorganic fertilizer with only nitrate nitrogen - NO3) has been ...
November 4, 2015

government
does the first amendment include the right to free speech, religion, and privacy
November 1, 2015

government
i know it include free speech and religion, but dont know about privacy
November 1, 2015

government
another question i have is does the first amendment include the right to free speech, religion, and privacy
November 1, 2015

government
So the correct answer is Habeus Corpus
November 1, 2015

government
is the answer to this question C Which is a right in the body of the constitution as opposed to in one of the amendments? a. Free Speech b. Habeus Corpus c. Right to Privacy d. Right to a Lawyer
November 1, 2015

government
Originally was the First Amendment was applicable to the states but not the federal government.
November 1, 2015

government
do all states have the same number of rights in their constitutions
November 1, 2015

government
so would it be A or B.
November 1, 2015

government
Im confused, i think it is c or d. Why are civil liberties considered negative rights? A. Because citizens must act to protect rights. B. Because the government must act to protect rights. C. Because rights are protected by limiting citizen action D. Because rights are ...
November 1, 2015

government
would it be D then
November 1, 2015

government
a or d
November 1, 2015

government
need help with this question What impact has the 14th amendment has on the Bill of Rights? a. None. b. It reduced the number of rights. c. It prevented the rights from being binding on the states. d. It allowed the Supreme Court to interpret the rights in a way that increased ...
November 1, 2015

government
Thank you, it clears some confusion
November 1, 2015

government
Is the first 10 amendments and the bill of rights the same thing?
November 1, 2015

Physics
A 72 kg skier leaves the end of a ski-jump ramp with a velocity of 24 m/s directed 25◦ above the horizontal. The skier returns to the ground at a point that is 14 m below the end of the ramp with a total speed of 22 m/s. (a) What is the rate at which the gravitational ...
October 17, 2015

physics
Suppose the stone is thrown at an angle of 30.0 degrees below the horizontal. If it strikes the ground 57.0 m away, find (a) the time of flight, (b) the initial speed, and (c) the speed and the angle of the velocity vector with respect to the horizontal at impact. (Hint: ...
October 14, 2015

gov Ms.Sue
Under which condition would a plurality vote result in the winner receiving less than a majority of the votes cast (i.e. less than 50% of the votes cast)? Choices: Never, Always, When there are only 2 candidates, when there are more than 2 candidates. Is when there is more ...
October 12, 2015

gov
Thanks, I need help with this one. Which type of election limits voter participation to party members? Primary, Runoff, General, or Referenda
October 12, 2015

gov
How many votes does each state have in the Electoral College? is equal to number of members the state has in congress Just checking if this is correct.
October 12, 2015

Enlish
Which rhetorical device would it be if the author is trying to show hope for the audience by showing a nice sky in the background.
October 12, 2015

Chemistry
I am told to find the "Total heat capacity of the system in the Calorimeter" All I have is this equation: Csys=Ccal+Csol What is this Csys? and how do I figure out how to use this equation? Thankyou
October 12, 2015

Math
never mind guys i got it cuz im smart and i never give up.
October 4, 2015

Math
4x−y+2z=11 x+2y−z=−1 2x+2y−3z=−1 can someone help me find x,y,z, I have tried isolation but i cant seem to get it
October 4, 2015

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