ag

Most popular questions and responses by ag
  1. Chemistry

    Why does it take more energy to remove a electron from Al+ than from Al?

    asked on January 4, 2012
  2. Chemistry

    Hi! there's 3 questions..if you can help on any that'd be great..thanks! 1. Volatile liquids with lower boiling points often give better results than those with higher boiling points. Suggest a reason for this. 2. What effect would vapor condensation in

    asked on January 20, 2007
  3. hvac

    Two technicians are discussing the HVAC/R field. Technician A says that industry codes that require certain types of installation practices carry the force of law with them. Technician B says that ANSI is an organization that establishes codes for the

    asked on June 6, 2019
  4. Calculus

    I really need help with this calculus question. I ve been struggling to figure it out. Imagine making a tent in the shape of a right prism whose cross section is an equilateral triangle (the door is on one of the triangular ends). Assume we want the volume

    asked on May 17, 2015
  5. physics

    A string is tied across the opening of a deep well, at a height 5 m above the water level. The string has length 7.51m and linear density 4.17 g/m; any time there is a wind, the string vibrates like mad. The speed of sound in air is 343 m/s. Assuming that

    asked on January 30, 2010
  6. PHYSICS

    The wattage of a commercial ice maker is 226 W and is the rate at which it does work. The ice maker operates just like a refrigerator and has a coefficient of performance of 3.90. The water going into the unit has a temperature of 15.0°C, and the ice

    asked on December 1, 2012
  7. Chemistry

    An unknown amount of water is mixed with 310 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 58.2 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in units of M

    asked on March 19, 2012
  8. science

    Please check my work 3M solution of NaOH (1 liter worth) molecular weight: 39.99 3 x 39.99= 119.97 grams dilute to 1000mL 3 M solution of HCl (1 L) c1v1=c2v2 (12M)(?)= (3M)(1000mL) ?= 250 mL please check thank you

    asked on October 13, 2008
  9. math

    lim x->0 sinx secx / x use the fact that the limit as x approaches 1 of (sinx / x) = 1

    asked on September 20, 2011
  10. Physics

    Why, when you stroke a cat's fur, or comb your hair on a cold, dry day can you hear a crackling sound? Doing these things in a darkened room, you can actually see sparks. Explain. Please explain to me! Thanx !! Static electricity builds up with a positive

    asked on January 19, 2007
  11. Chemistry

    An unknown amount of water is mixed with 310 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 58.2 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in units of M

    asked on March 19, 2012
  12. trig

    is there a lowest or least cosine of a triangle with sides of 4,5,and 6? such as: .78, .72...

    asked on January 17, 2011
  13. Math

    4m-2/3=6m+3/7

    asked on August 14, 2018
  1. AP Chemistry

    The deep blue compound Cu(NH3)4SO4 is made by the reaction of copper(II) sulfate and ammonia. CuSO4(aq) + 4 NH3(aq) → Cu(NH3)4SO4(aq) a. If you use 10.0 g of CuSO4 and excess NH3, what is the theoretical yield of Cu(NH3)4SO4? b. If you isolate 12.6 g of

    posted on March 30, 2019
  2. Environmental Science

    1. F 2.F 3.T 4.T 5.T 6.T 7.F 8.F 9.T 10.F Same questions as these so 100% if you have all the same questions.

    posted on November 21, 2017
  3. Accounting

    13930

    posted on February 26, 2016
  4. anatomy

    structurally, what is the difference between the dermis and the epidermis?

    posted on July 6, 2011
  5. math

    64%

    posted on January 17, 2011
  6. Chemistry

    CALCULATE THE MOLARITIES OF HC2H3O2 AND NAC2H3O2 IN THE BUFFER SOLUTION

    posted on November 12, 2008