re
Most popular questions and responses by re
chemistry
A saturated solution was formed when 4.48×10−2 L of argon, at a pressure of 1.0 atm and temperature of 25 C, was dissolved in 1.0 L of water. Calculate the Henry's law constant for argon in mol/atm. I got an answer of 1.4*10^3, maybe my units are
asked on September 17, 2009 
math
What is the third quartile, Q3, of the following distribution? 10, 25, 18, 31, 16, 27, 5, 13, 32, 24, 15, 21, 18, 18, 24, 4, 8, 11, 11, 23
asked on February 26, 2013 
Chemistry
Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.6 L of water upon warming from 25 C to 50 C. Assume that the water is initially saturated with nitrogen and oxygen gas at
asked on September 17, 2009 
Physics
Two bicyclists, starting at the same place, are riding toward the same campground by two different routes. One cyclist rides 1490 m due east and then turns due north and travels another 1430 m before reaching the campground. The second cyclist starts out
asked on September 10, 2009 
chemistry
rank the following ionic compounds in order of increasing lattice energy NaF, Csl, CaO
asked on March 3, 2011 
math
Graph the equation in the rectangular coordinate system. 5y = 40 How should the line be going?
asked on February 9, 2010 
geometry
Three interior angles of a quadrilateral have measures of 52∘, 53∘, and 154∘. Find the fourth angle measure.
asked on December 17, 2015 
CHEMISTRY
Suppose that 1.01g of rubbing alcohol(C3H8O) evaporates from a 56.0g aluminum block. If the aluminum block is initially at 25'C, what is the final temperature of the block after the evaporation of the alcohol? Assume that the heat required for the
asked on September 6, 2009 
chemistry
How much energy is released when 48.5 g of water freezes?
asked on September 6, 2009 
Chemistry
A solution containing 26.40 mg of an unknown protein per 22.5 mL solution was found to have an osmotic pressure of 3.95 torr at 21 C. What is the molar mass of the protein?
asked on September 17, 2009 
physics
The drawing shows a force vector vector F that has a magnitude of 600 newtons. It lies at alpha = 67° from the positive z axis, and beta = 31° from the positive x axis. (that's the diagram given) webassign. (delete this space) net/CJ/p139alt.gif (a)
asked on September 10, 2009 
Math
An instructor gives regular 20point quizzes and 100point exams in a mathematics course. Average scores for six students, given as ordered pairs (x,y) where x is the average quiz score and y is the average test score, are (18, 87), (10, 55), (19, 96),
asked on March 7, 2011 
math
There are 5 options on the dessert menu at a restaurant. Erin and Ellen like all of the choices equally, so they each choose a dessert at random from the menu. What is the probability that Erin will choose apple pie and Ellen will choose strawberry
asked on April 24, 2013 
chemistry
what would be the vapor pressure of water in a solution wiith 23.7g NaCl dissolved in 500mL of water at 50degrees centigrade
asked on September 22, 2011 
algebra 2
Solve the problem. The growth in the population of a certain rodent at a dump site fits the exponential function A(t)= 164e0.032t, where t is the number of years since 1975. Estimate the population in the year 2000.
asked on July 12, 2011 
Physics
It takes 180 kJ of work to accelerate a car from 21.0 m/s to 27.5 m/s. What is the car's mass? kg?
asked on October 26, 2009 
physics
A hotair balloon is rising upward with a constant speed of 2.95 m/s. When the balloon is 3.30 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?
asked on September 14, 2009 
math
how long does the equation od pi go on?
asked on November 3, 2010 
Math
2/5 x 1 1/4 I'm confused on how to solve this. can someone help?
asked on October 16, 2017 
algebra/math
Jamal is in charge of 3 lemonade stands at Summer Fun Day. He has 4 pitchers that will hold 9, 5,4 and 2 quarts. The largest pitcher is filled with lemonade, and the others are empty. How can Jamal use the pitchers to be sure he has pitchers with 3 quarts
asked on November 13, 2014 
algebra
maddie has 13, 5, 4, and 2liter pitchers. If she starts with the 3 smaller pitchers filled with water, how can she have pitchers with 5,3, and 3 liters of water?
asked on November 13, 2014 
calculus
Lim as x approaches 2 of (x^2kx+4)/(x^38)
asked on February 15, 2013 
calculus
Lim as x approaches 2 of (x^2kx+4)/(x^38)
asked on February 13, 2013 
algebra 2
Find the function value. Let f(x) = e3x. Find f(0.06), rounded to four decimal places.
asked on July 12, 2011 
math
Decide whether the relation is a function or not {(4, 8), (1, 2), (2, 2), (6, 1)}
asked on February 9, 2010 
Math
3 Islands K,M, H= 5300 miles squared H 3293 miles squared larger than M M is 177 miles squared larger than K What is the individual areas of Islands
asked on September 30, 2009

social studies
ramdomthing is correct
posted on April 22, 2019 
Physics
qwer
posted on February 12, 2018 
Math
What’s the answer
posted on December 19, 2017 
Math
Ok thank you! I think i understand now :D
posted on October 16, 2017 
Algebra
You multiply the 10 by 10 to make the fraction out of 100. then do the same thing to 6, and you get 60!
posted on August 23, 2017 
math
42 its always 42
posted on January 12, 2016 
math
10
posted on January 12, 2016 
Math  Algebra
HE WANTED A SANDWICH
posted on December 1, 2015 
physics
What is the answer? I need it.
posted on July 15, 2014