Staci

Popular questions and responses by Staci
  1. physical science

    A gold bar has a mass of 250 grams and is heated from 25 degrees Celsius to 55 degrees Celsius. How much heat did the gold bar absorb? The specific heat of gold is 0.13J/g*degrees C.

    asked on November 1, 2014
  2. 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.

    asked on March 27, 2013
  3. 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.

    asked on March 26, 2010
  4. 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

    asked on January 23, 2012
  5. 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?

    asked on March 3, 2010
  6. 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)

    asked on May 22, 2013
  7. 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.

    asked on March 26, 2010
  8. 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

    asked on March 9, 2010
  9. World History

    which statement best describes the period known as the old kingdom? a) it was a time dynastic uncertainty. b) it was a time of development. c) it was a time of great geographic expansion d) it was a time of disunity

    asked on September 3, 2016
  10. Chemistry

    How many moles of gas must be forced into a 4.4 L tire to give it a gauge pressure of 32.4 psi at 30 ∘C? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.5 psi so that the total pressure in the tire is 46.9

    asked on November 12, 2015
  11. Shurley English Level 8

    Please help! Classify each sentence. 1. Sit in the recliner near the fireplace and relax tonight after dinner. 2. Yesterday I accidentally tripped on my shoelace and fell down the steps of the bus!

    asked on August 25, 2015
  12. math

    18st^5/12st^3

    asked on February 23, 2014
  13. 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?

    asked on March 12, 2013
  14. 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

    asked on June 14, 2011
  15. 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

    asked on June 14, 2011
  16. Criminology

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

    asked on June 14, 2011
  17. Criminology

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

    asked on June 14, 2011
  18. 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

    asked on April 18, 2011
  19. Pys. Science(check answer)

    .263degrees C

    asked on November 8, 2010
  20. Pys. Science

    asked on November 8, 2010
  21. 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

    asked on October 12, 2010
  22. O Chem

    Why is an air trap necessary in fermentation?

    asked on October 4, 2010
  23. 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

    asked on May 29, 2010
  24. 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

    asked on May 29, 2010
  25. 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)

    asked on March 26, 2010
  26. 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 ?

    asked on March 9, 2010
  27. 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

    asked on March 4, 2010
  28. 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)

    asked on March 3, 2010
  29. 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

    asked on February 23, 2010
  30. U.S. History

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

    asked on January 23, 2010
  31. math

    can someone unscramble these math words reaoprddrie enitmelgens

    asked on July 17, 2009
  32. college

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

    asked on June 21, 2009
  33. sci

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

    asked on January 25, 2008
  1. SOCIAL STUDIES HELP ASAP PLEASE

    so what are the answers because i need these answers fro a test and its timed.

    posted on September 12, 2016
  2. World History

    wait so what is the answer?

    posted on September 3, 2016
  3. Chemistry

    A mixture of helium, nitrogen, and oxygen has a total pressure of 763 mmHg . The partial pressures of helium and nitrogen are 244 mmHg and 190 mmHg , respectively. What is the partial pressure of oxygen in the mixture?

    posted on November 12, 2015
  4. 1st grade

    Subject = fox verb = sits A sentence must have a subject and verb. This does, so it is a sentence!

    posted on June 26, 2014
  5. 1st grade

    sight hearing touch taste smell

    posted on June 26, 2014
  6. 1st grade

    25,000 + 12,000 --------- 37,000

    posted on June 26, 2014
  7. 1st grade

    Adjectives describe a noun. (a noun is a person, place, thing, or idea) nouns - girl, castle, fork, thought adjectives - Asian, stone, dirty, different. adjective noun phrases - Asian girl, stone castle, dirty fork, different thought. stone girl, Asian

    posted on June 26, 2014
  8. 1st grade

    I go to Scott Elementary School. Or better yet - I attend Scott Elementary School.

    posted on June 26, 2014
  9. grade 8 math

    Ok if you have cars A B C D E F G H. Your options for the first three places are : ABC, ABD, ABE, ABF, ABG, ABH ACB, ACD, ACE, ACF, ACG, ACH ADB, ADC, ADE, ADF, ADG, ADH AEB, AEC, AED, AEF, AEG, AEH AFB, AFC, AFD, AFE, AFG, AFH AGB, AGC, AGD, AGE, AGF, AGH

    posted on June 26, 2014
  10. 1st grade

    Joann Reed painted that daisy.

    posted on June 26, 2014
  11. 1st grade math

    10+4 = 14 is the addition fact that helps you find 14-4.

    posted on June 26, 2014
  12. pre calculus

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

    posted on March 27, 2013
  13. Math

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

    posted on March 27, 2013
  14. sociology

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

    posted on January 6, 2012
  15. 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?

    posted on November 30, 2011
  16. earth science

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

    posted on June 14, 2011
  17. Pys. Science

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

    posted on November 8, 2010
  18. O Chem

    Thank you!

    posted on October 4, 2010
  19. science biology

    Can technology solve all problem?

    posted on August 19, 2010
  20. 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.

    posted on April 30, 2010
  21. 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!

    posted on March 3, 2010