Issac
Most popular questions and responses by Issac
chemistry
1. A threestep mechanism has been suggested for the formation of carbonyl chloride: Step 1: Cl2 ===> 2 Cl (fast equlibrium) Step 2: Cl + CO ===> COCl (fast equilibrium) Step 3: COCl + Cl2 ===> COCl2 + Cl (slow) What is the molecularity of the
asked on February 9, 2007 
Calc
Find the point on the line –2x+2y–3=0 which is closest to the point (–4–4). Please provide solution. ( , ) Thanks guys!
asked on March 15, 2014 
Chemistry
Why was the tert butyl chloride washed with aqueous sodium hydrogen carbonate? what gas was evolved during the washing? Write a balance equation
asked on September 30, 2017 
Calc
Set up an exponential function to model each real world situation then use it to find the requested values. The halflife of Carbon 14 is about 5700 years. You begin with 800 grams of this isotope. 1) Function: 2) How much Carbon 14 is there after: a)
asked on November 19, 2015 
Mathematics
If the 9th term of an A.P is five times the 5th term. Find the relationship between a and d?
asked on January 14, 2015 
physics
A stunt car driver drives off an h = 6.7 mhigh cliff into a lake with a horizontal speed of 14 m/s. The car needs to clear an 8.0 mlong ledge that is 5.0 m below the edge of the cliff. The car successfully misses the ledge on the way down. With what
asked on October 3, 2014 
halflife
1. The halflife of a firstorder reaction is 9.89 minutes. How many minutes will have elapsed after 27 halflives? My answer is 267.03. 2. The halflife of a secondorder reaction is 2.508 days. How many days will have elapsed after 8 halflives? My
asked on February 7, 2007 
Radicals
Express in simplest radical form. Do NOT give decimal approximations. 1. n^3/4 p^5/4 2. (3r)^2/5 s^3/5 3. (1/32)^0.2 4. 140^1/2
asked on November 17, 2015 
writing
i am inthe 4th grade and need to write a composition. Can someone out there tell me what it is and give me an example.
asked on May 16, 2010 
Chemistry
These are all review questions for my summer assignment. Do not know: !) Explain what an ionic lattice is and include a diagram. 2)Draw a diagram to show how Na and CL2 combine to form NaCl Unsure: !)Select two compounds and explain when Roman numerals are
asked on July 4, 2015 
Calc
Set up an exponential function to model each real world situation. 1) A mosquito population doubles every 10 days. Two mosquitoes of the opposite sex begin the process. Function: 2 x 2^t/100 2) Given the current inflation rate (~3%), prices double every 23
asked on November 19, 2015 
social studies
what is the definition of canopy road
asked on September 26, 2012 
physics
Assume that a particular crash test expert can withstand 18 times the acceleration due to gravity. Find the shortest distance over which her car can be brought to a stop from a speed of 78 km/h without the acceleration exceeding 18g.
asked on October 11, 2014 
math
3 times a number is
asked on March 23, 2010

Math
IN A CLASS OF 36 GIRLS,18 PLAY NET BALL , 16 PLAY TABLE TENNS WHILE 8 GIRLS PLAY NEITHER THE TWO GAMES. FIND THE NUMBER OF GIRLS WHO PLAY
posted on September 27, 2016 
4th grade math
Marla
posted on February 22, 2016 
math
234qt=
posted on September 16, 2015 
6th Grade Math
Will a 2quart pitcher hold the entire recipe of citrus punch given at the right explain your reasoning
posted on September 16, 2015 
Chemistry
For the diagram of NaCl (I didn't look at the second link if that would help me with this question, yet) would me drawing what Na and Cl look like in the arrangement of their atoms before and after they combine be good enough?
posted on July 4, 2015 
English
Write a paragraph with the following subject, occasion, audience, and purpose. Subject: food safety Occasion: aftermath of an outbreak of sickness at fast food restaurants due to tainted meat Audience: FDA (agency that manages food safety) Purpose:
posted on February 6, 2014 
geography
I bet it does but if you have any kids youd know how hard it is so ill tell it. Rome's geography is important because it was surrounded by land and it was unable to be attacked by pirates but not to far from water.
posted on November 13, 2012