Saturday

April 19, 2014

April 19, 2014

Total # Posts: 1,315

**chem homework**

a gas occupies a volume of 410mL at 27 degrees Celcius and 740mm Hg pressure. Calculate the volume the has would occupy at STP.

**science**

how do you write the chemical equation for liquid pentanol (C5H12O) and gaseous oxygen ? Thanks ~Samantha~

**6TH GRADE MATH**

what is the shape? and what is your question?

**Math**

^ same as bobpursley. my only guess would be 24 degrees - 7 degrees = x and then again i have no idea what you are wanting to know.

**chem**

what are 6 elemts that make up Yellow Gold? What are 6 elements that make up White Gold? What are 5 elements for platinum for gemstone settings? what are 2 elements that make up palladium for gemstone settings? what is 1 element that makes up a diamond? 3 elements that make up...

**chemistry**

What is the total number of valence electrons that must be shown in the Lewis structure for magnesium fluoride I think 16 but im not sure

**chemistry**

Most elements are stable with eight (8) valence electrons. True or False Elements react in order to gain, lose, or share electrons. True or False

**physics**

An electric pump needs to be installed on a deep well to provide water. If the well is 30m deep and 50L of water must be pumped out per minute. How powerful a pump is needed ? (watts)

**Math**

Kelly has a 2.89 GPA after 54 credits. She is taking 16 credits this quarter. What must her GPA be this quarter to raise her ovarall GPA to 3.0

**college chemistry**

What is the entropy change for the vaporization of 2.6 mol H2O(§¤) at 100◦C and 1 atm? dH= 40700 J/mol Answer in units of J/K

**college**

I will like to know are these correct sentences. Their are three kids in the room. We have been married for 20 years, and are relationship is as strong as ever. I’m having trouble with my car. Can you give me some advise? The diplomats are doing what they can to restore p...

**college**

I will like to know is this pargraph is correct. Why are many students choosing to pursue their college degrees using their home computers. Benjamin Franklin said; A penny saved is a penny earned.” This principle applies to the american and foreign online student. Today s...

**college alg HELP!**

I know how to set it up but I cannot get the three solutions right. I solve by addition and what not but cann't ever get the right answer!

**college alg HELP!**

I cannot figure a way to do this problem: An investment of $98,000 was made by a business club. The investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second 6%, and third 9%. The total interest from the inve...

**English title help!**

I need help thinking up a title for my paper!! My paper is about contrast between passionate, youthful love and mature, steady love it is about the book "O Pioneers!" by Willa Cather.. Cather implies that passionate love is dangerous and unstable and is unlikely to l...

**world history**

describe the role of education in athens and sparta

**math**

write a decimal number for each word name nine thousand,six hundred five and nine tenths

**math**

how would you write in a decimal:nine tousands,six hundred five and nine tenths

**Econnomics**

By what percentage did the price of a newspaper rise?

**social studies**

what are three methods to survey an area in archeological process?

**Psyc- Lifespan Development**

What are theoretical causes of behavior in adolescent self esteem?

**Psyc- Lifespan Development**

Slef esteem in Adolescents *What are theoretical causes of behavior- should include more than one theoretical explaination / discussion *relevance to overal development

**college algebra**

Use the theorem on bounds to establish the best integral bounds for the roots of the equation: w^(4)-8w^(3)+2w^(2)+10w-1=0

**English, PLEASE HELP ASAP**

Okay this is what I wrote, please let me know...-- This morning at work I look out to this Chicago city as gloomy and sad. Sad is how I would describe where I am at as of now, sad because I am the lowest I have ever felt. Work does not satisfy me compared to when I was out in ...

**English, PLEASE HELP ASAP**

BOOK "O PIONEERS!" On pages 68-69, Alexandra and Carl Lindstrum have a conversation where they compare the different paths their lives have taken. At the bottom of page 68, the paragraph begins with Carl saying--“Freedom so often means that one isn’t needed...

**12th grade**

small group that study bills

**Math**

I'm really struggling with how to set this up: A company has 18 members on its management team,10 men and 8 women. There is a conference in Hawaii, and the company decided to send 5 people. If the selection of five people is random, find the following probabilities. I got ...

**5th grade**

a parallegram has a height of 4 meters and sides of 5 meters and 7 meters. What is its area in square meters?

**math**

if there is a height of 4 meters and sides of 5 meters and 7 meters"what is the area of the square meters

**chemistry extra credit**

If you eat something very hot or spicy, and need to quickly "douse the burning sensation" in your mouth, water does not work as well as other possibilities. What is best for producing relief and why?

***chemistry**

What is the source of Dr. Seuss' Green Eggs and Ham? (Why do hard boiled eggs sometimes have green coated or tinged egg yolks?)

*****chemistry**

Why is vinegar recommended for cleaning coffee pots, steam irons, and kitchen and bathroom faucets with white deposits on them? Why does it work, and what is the chemical equation for how it works?

**calculus**

What is the formula for figuring out the Tangent of a "S" Curve?? R=3000?

*****chemistry**

The Morton Salt Compant instroduced a logo and slogan for advertising its salt in 1911. This is one of the oldest and most successful ad campaigns ever, but what does it mean and where and why did they come up with it? (describe the chemical basis for it)

**algebra HELP ASAP**

If $13,000 is deposited in a bank account paying 6% compounded quarterly, what amount will be in the account after 8 years? How much interest will be earned during the 8 years? The amount after 8 years will be $___ How much interest will be earned during the 8 years? _____

**college algebra HELP**

How long does it take for a deposit of $1400 to double at 10% compounded continuously?

**Chemistry**

If you have red solution, at what wavelengths should it absorb light, at what wavelengths should it NOT absorb light?

**Algebra**

To convert from centimeters to inches, multiply the number of centimeters by 2.5. True or False?

**college algebra HELP**

The population of a city was 166 thousand at the begining of 2004. The exponential growth rate was 1.5% per year. Use the formula P(t)=P[o]e^(kt) where P[o] is the population in 2004 and k is the exponential growth rate. a) predict the population in 2016, to the nearest thousa...

**algebra**

So does that mean that it is False?

**algebra**

$6 for two pounds is an example of unit rate. True or False?

**algebra 2**

A farmer wants to raise corn and soybean on a 2010 acre of crop land. Each acre of corn requires 2 hours of labor during growing season while each acre of soybean requires only 1 hour of labor. The total amount of hours of labor available during growing season is 340 hours. Th...

**college algebra**

Use Descarte's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation -5r^(4)+6r^(3)+9r-15=0

**college algebra**

Use the theorem on bounds to establish the best integral bounds for the roots of the equation w^(4)-8w^(3)+2w^(2)+10w-1=0

**college algebra**

Use the theorem on bounds to establish the best integral bounds for the roots of the equation w^(4)-8w^(3)+2w^(2)+10w-1=0

**3rd grade math**

explain how you can use the basic fACT FOR 9+6=15 TO SOLVE THE NEXT EQUATION

**College algebra**

Find the equation with x-intercepts (4,0),(-3,0) and (2,0) and y-intercept (0,12)

**Chemistry 106**

What are the elements used to make the ingrediants of each category (the same element may be listed in several categories, but a maximum of once in each of the 6 categories, no matter how many different ingrediants it may be in)? **name of the element with the symbol and atomi...

**Algebra 1**

x^2-6x(3-6x)

**math**

Find all real and Imaginary solutions 7x^(3)+70x^(2)-x-10=0

**physics**

A 15kg box is resting on a hill forming an angle of a horizontal surface. The coefficient of static friction for the box on the surface is 0.45. Calculate the maximum angle of the incline just before the box starts to move.

**Math**

find all real and imaginary solutions x^(2/3)-2=x^(1/3)

**Physics**

Vo=0km/h V1=89 km/h t0=0 t1=6.1 89-0/6.1-0=14.5 km/hr (Round to 2 sig figs=15 km/hr) You then have to convert km/hr to m/s^2. 15km/hr * 1000m/3600s= 4.1m/s^2 3600s = 1hr *hope that helps

**Physics**

The toy car in figure 6-12 runs off the edge of a table that is 1.225-m high. The car lands 0.400m from the base of the table a.How long did it take the car to fall? b.How fast was the car going on the table?

**5th grade math**

C 87, because 522/6 is about 540/6=90

**College Physics**

Conceptual Question: Many people believe that a vacuum created inside a vacuum cleaner causes particles of dirt to be drawn in. Actually, the dirt is pushed in. Explain.

**English**

What is an explanation when someone says: "The our crime's worse than a murderer's. His act puts him outside the law, but keeps the law intact. Ours would weaken the law." P.s. These men are forming a posse to hang a gang that killed one of their townsmen.

**Chemistry 106**

Calculate number of moles of aluminum in 1.50kg of Al

**chemistry**

Calculate the number of moles of CaCO3 in 3.20g of Calcium Carbonate.

**chemistry**

Calculate number of moles of aluminum in 1.50kg of Al

**college algebra**

Shondra wants to enclose a rectangular garnden with 240 yards of fencing. What dimensions for the garden will maximize its area?

**College Physics**

would the answer be 19200?

**College Physics**

so i do 2.0x10^5Pa x (0.024m^2)(4)??

**College Physics**

so i do 2.0x10^5Pa x (0.024m^2)(4)??

**College Physics**

The four tires of an automobile are inflated to a gauge pressure of 2.0x10^5 Pa. Each tire has an area of 0.024m^2 in contact with the ground. Determine the weight of the automobile.

**Math**

can you help me on this problem? -15-(-4)+(-1)

**chemistry**

What element has 20 protons and forms a +2 Cation?

**Chemistry**

you are given the equation S2O3 + 2H --> S + SO2 + H2O you mix 25 ml of HCl with a concentration of 2 mol/L with 5 mL of Na2S2O3 with a concentration of 0.3 mol/L. what is the concentration of S2O3 and H?

**Chemistry**

A 30 ounce iron bar at 425 degrees Fahrenheit is placed in 2.00 quarts of water at 80.0 degrees Fahrenheit. What will be the change in temperature of the iron bar in degrees Fahrenheit? (Assume 1/3 heat lost to the surroundings) Specific heat of iron= .473 Joules/grams degrees...

**Chemistry**

Congratulations! You have discovered a new element called Bhauzium (Bz). The average atomic mass of Bz was found to be 348.72 amu and its atomic number is 123. a) if the atomic masses of three isotopes of Bhsuzium are 342.92 amu, 356.43 amu (6.52%), and 351.29 amu, what is the...

**College Physics!**

Is there any way i can just get these problems set up? I just need help with the steps on how to do it. A box weighing 600 N is pushed along a horizontal floor at a constant velocity with a force of 250 N parallel to the floor. What is the coefficient of Kinetic friction betwe...

**Chemistry 106**

An unidentified metal forms an ionic compound with the carbonate anion. The metal forms a 2+ cation. If the minimum ration of the number of protons in the metal to the oxygen protons s 5:6, what is the metal?

**algebra I**

What is 3/4x-7=8+-6x

**3rd grade**

it's 40 and it is in the tens place

**chemistry**

A solution contains 4.46 g KCl in 178 mL of solution. The density of the KCl solution is 1.11 g/ml. What is the percent (m/m) for the potassium chloride solution?

**chemistry**

how many milliliters of 6.00 M HCl are required to react with 60.0 ml of 1.96 M Al(OH)3? Al(OH)3(s)+3HCl(aq)-->AlCl3(aq)+3H2)(aq)

**math**

in square ABCD, the measure, in inches of AB is 3x+2 and BC is x+12. What is the number of inches in the length of DC ?

**calculus**

Prove that cos(sin inverse x) = square root ( 1-x^2)

**calculus**

Prove that cos(sin inverse x) = square root ( 1-x^2)

**Physics**

a girl jumps off a high diving platform with a horizontal velocity of 2.77m/s and lands in the water 1.2s later the acceleration of gravity is 9.8m/s squared how high is the platform and how far from the base of the platform does she land?

**11th grade**

1.25/X = 82/100 82X = 124 82X/82 + 124/82 = X = 1.5424 Check: 0.01524 * 82 = 1.24968 = 1.25

**Math**

If light travels 10,000 km in 3.3 x 10-2 sec, how long will it take light to travel one meter.

**Math**

I think its like this... 3 to the second power is 3x3 which equals 9, but 3x2 equals 6 which is multiplication and has nothing to do with the powers and stuff. Its kinda weird at first but you will get used to doing it right.Another example is 3 to the 5th power. 3x3x3x3x3. 3x...

** english**

we are doing one about how to kill a mocking bird (the book was really good)

** english**

i am doing a book report and i havent done one since the 5th grade and now i am in 7th HELP!!!!!!!!!!!!!!!!!!!!!!!!!

**english **

that means if you do something good for someone later on you will rewarded

**Chemistry**

Well Ms. Sue, both Johannie and I were using this computer and I didn't realize her name was still on the name line.

**Chemistry**

The solution forms because of that?

**Chemistry**

The lattice energy is greater in magnitude than the heat of hydration. but what about the Last question?

**Chemistry**

When ammonium chloride is dissolved in water, the solution becomes colder. What can you say about the relative magnitudes of the lattice energy of ammonium chloride and its heat of hydration? Why does the solution form? What drives the process?

**7th grade**

well pretend that you and you sis or brother were spliting the last cookie in half soo the earth is the cookie and the hemisphere is half of the earth.

**7th grade**

my teacher is making us do a current even outside of the us and i STILL can't find a good curren event

**math**

18x^2 minus x minus 4 simplified.

**Intermediate Algebra**

Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; State the domain and the range of the function. f(x) = e^x

**Intermediate Algebra**

Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater than 1, three values...

**Geometry**

In geometry what kind of algebra do you use?

**Intermediate Algebra**

Hello I need a little help with my homework. I started trying to work it out but I am not sure if it is the correct solution. Please help! Question: Population growth. The exponential growth rate of the population of United Arab Emirates is 4.4% per year (one of the highest in...

**math**

The atomic number of cadium is half the atomic number of curium. Define a variable and write an expression for the atomic number of cadmium. I'm working in a group with my friends and we need help we're not the same people.

**math**

The atomic number of cadium is half the atomic number of curium. Define a variable and write an expression for the atomic number of cadmium. I'm working in a group with my friends and we need help we're not the same people.

**English**

I'm sorry-I needed to know what the theme was Thank you

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