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