Thursday
April 17, 2014

Posts by staci


Total # Posts: 40

math
18st^5/12st^3

Physics
What is the electric force between a +2 µC point charge and a –2 µC point charge if they are separated by a distance of 5.0 cm? Show your work. (µC = 1.0 × 10–6 C)

pre calculus
To be honest, I really don't know how to do any of it:(

pre calculus
consider the functions f(x)=x^3-3 and g(x)=3 sqrt x+3: a. find f(g(x)) b. find g(f(x)) c. determine whether the functions f and g are inverses of each other. I really need help with these, I don't get it at all.

Math
unfortunetly, none of this comes natural to me so the domains are especially difficult for me too.

physics
Harper applies a force of 92 N on a heavy box by using a rope held at an angle of 45 degrees with the horizontal. What are the vertical and horizontal components of the 92N force?

Chemistry
You have a chemical sealed in a glass container filled with air. The glass container has a mass of 200.0 grams and the chemical has a mass of 850 grams. The total mass of the setup is 1050 grams. The chemical is ignited by means of a magnifying glass focusing sunlight onto the...

sociology
thank you Ms.Sue, once again you have come to the rescue.

earth science
thank you for you help on all of my questions. the links have helped.

earth science
of the three "local wind"(land and sea breezes, mountain and valley breezes, and chinook and santa ana winds)which do you think could be most easily harnessed for the generation of electricity by a huge wind farm? some important things to consider:strength and consti...

earth science
"perhaps more than any other single measurement, atmospheric pressure is the best indicator of current and changing weather conditions." explain and discuss thy this statement is correct. provide some examples (hint: discuss the difference in high and low pressure sy...

Criminology
How has the feminist movement influenced criminology? What negative impact has resulted from feminism, if any?

Criminology
what are the policy implications of social development theories? how have these implications been reflected in actual policy, if at all?

chemistry
describe the procedure you would follow and the information you would need to know to find the mass of a reactant in a chemical equation when you are given the mass of one product

Pys. Science(check answer)
.263degrees C

Pys. Science
now I'm really lost.....please explain?

Pys. Science
Help......A 1.0kg metal head of a geology hammer stikes a solid rock withy a velocity of 5.0m/s. Assuming all the energy is retained by the hammer head, how much will its temperature increase? (C head= 0.11kcal/kgCdegrees) I don't comprehend any of this!

Math
The 24 students in Ms.Cleary's homeroom are surveyed. They are asked which of the several prices they pay for a ticket to the school fasion show Results: $1.00-20 $1.50-20 $2.00-18 $2.50-15 $3.00-12 $3.50-10 $4.00-8 $4.50-7 A. There are 480 students in the school. Use the ...

O Chem
Thank you!

O Chem
Why is an air trap necessary in fermentation?

science biology
Can technology solve all problem?

psychology
Contrary to what one might expect, all intellectual facets of an individual do not necessarily decrease with aging. With regard to memory, wisdom, and creativity, research has found that A. Memory processes become less efficient, wisdom grows, and creativity remains stable. B....

psychology
Contrary to what one might expect, all intellectual facets of an individual do not necessarily decrease with aging. With regard to memory, wisdom, and creativity, research has found that A. Memory processes become less efficient, wisdom grows, and creativity remains stable. B....

Chemistry
I'm sorry I don't have the answer... Did you figure it out? I have the same problem with different numbers. CH390... online.

Attn: DrBob
A household bleach solution contains 5.25% (by mass) NaClO. How many moles of NaClO are needed to make 1000 L of the solution? (density = 1.07g/mL) This is the complete question on my assignment. It's 1000 L.

Chem
A household bleach solution contains 5.25% (by mass) NaClO. How many moles of NaClO are needed to make 1000L of the solution? (density = 1.07g/mL)

Chem
Argon makes up 0.93% by volumee of air. Calculate its solubility (mol/L) in water at 20C and 1.0 atm. Henry's law constant for Argon under these conditions is 1.5 x 10^-3 mol/L*atm.

Chem
How much heat (in kJ)is required to convert 2.565kg of liquid sulfur dioxide at the boiling point to a gas at 60C? BP of SO2 is -10C and delta H vap is 25.73kJ/mol. Specific heat capacity of the gas is 0.622 J/g*K I don't know what formula to use to calculate this problem??

Chem
The boiling point of ethanol is 78.5C and delta H vap = 40.5kJ/mol. Calculate the vapor pressure (in torr) of ethanol at 0.0C ?

Attn: DrBob222
A .326L container holds 0.146g of Ne and an unknown amount of Ar at 30C and the total pressure is 627 mmHg. Calculate the moles of Ar present? (I have calculated temp 308K, pressure is 0.825 atm and moles of Ne are .007) Chem - DrBob222, Wednesday, March 3, 2010 at 3:25pm T i...

Chem
I'm calculating moles of Ar to be 0.0038, however, when plugging this into the online homework program it's marking it as incorrect. Am I doing a step incorrectly or do you get a similar answer? Thanks!

Chem
A .326L container holds 0.146g of Ne and an unknown amount of Ar at 30C and the total pressure is 627 mmHg. Calculate the moles of Ar present? (I have calculated temp 308K, pressure is 0.825 atm and moles of Ne are .007)

Chem
A student placed a mixture of BaO and CaO in a 1.46L flask containing carbon dioxide at 35C and 746mmHg. After the reactions were complete she found that the CO2 pressure had dropped to 2.40 x 10^2mmHg. How many moles of CO2 were consumed in the reactions? Assume volumes of th...

Chem 2
Imagine that a deposit of helium gas has been discovered in Antarctica. It is being shipped to Australia in a rigid (constant volume) tank with a rated max pressure of 100 atm. If the tanks are filled to a pressure of 75 atm in Antarctica on a day when the temp is -100F, will ...

U.S. History
What factors worked to create a shared "American Identity" by the mid 18th Century?

math
can someone unscramble these math words reaoprddrie enitmelgens

college
The economic system of state support of manufacturing and trade, with an emphasis on domestic production for export trade, is known as

Eng. Ms. Sue
A patient’s body is less likely to reject an allograft if it comes from a
close relative. Why do you think this is true?

sci
where can i find research info on terrestrial resource issues. and management and sutainment plan for the terrestrial resource.

ASAP-before we were free
if u did ur work u wouldnt need it u big fat loser i hope u fail and go to !@#$

Pages: 1

Search
Members