Gab
Newest questions and responses by Gab
chemistry
Calculate the grams of Ca(OH)2 used to make 500 mL of a 0.150 M solution.
asked on May 1, 2018 
Math
An area of 36 square metres is being enclosed on all 4 sides with the least amount of fence. If the fence comes in 2 metre sections, how many sections are neede?
asked on March 31, 2017 
Math
A certain travel agency offered a tourthat will cost each person P 1500.00 if not more than 150 persons will join,however the cost per person will be reduced by P 5.00 per person in excessof 150. what will be the maximum profit?
asked on May 18, 2016 
Trigonometry
4. An observer is near a river and wants to calculate the distance across the river. He measures the angle between his observations of two points on the shore, one on his side and one on the other side, to be 28º. The distance between him and the point on
asked on May 1, 2015 
Chemistry  University
Pentane (C5H12) and hexane (C6H14) form an ideal solution. The vapour pressure of pentane at 25oC is 511 mmHg and that for hexane is 150 mmHg. A solution is prepared by mixing pentane (density = 0.63 g/mL) and hexane (density = 0.66 g/mL). The mole
asked on December 9, 2014 
chemistry
A mixture of 0.100 mol NO, 0.200 mol H2 and 0.0800 mol N2 were placed in a 2.00L reaction vessel, heated, and allowed to come to equilibrium conditions. At equilibrium, the molar concentration of N2 was 0.0500 mol/L. Calculate Kc for this reaction. 2NO +
asked on July 18, 2014 
Math
Kurt cut pizzas into wedges measuring 40 degrees. If each person eats one piece of the pizza, how many people could he feed with with two whole pizzas?
asked on April 24, 2014 
math
"It takes Juwan exactly 35 minutes by car to get to his grandmother's. The nearest parking area is 4 minute walk from her apartment. One week he visited more often. He realized that he spent 5 hours and 12 minutes traveling to her apartment and then back
asked on December 5, 2013 
Algebra 2
One bottle contains 2 1/2 times as much water as another bottle. The larger bottle contains 15 ounces. How much does the smaller bottle contain?
asked on September 12, 2012 
algebra 2
A company wants to make ball bearings that have a standard diameter, d, of 24.000 mm. Acceptable ball bearings measure within ± 0.025 mm of this standard. Determine the solution set for the diameter of these ball bearings
asked on July 23, 2012 
algebra 2
The MePhone, a new smartphone, is being introduced in the Louisville area. The manufacturer plans to sell 30,000 phones during the first week and expects sales to increase by 8% each week after that find the equation, determine if its aritmetic or
asked on July 23, 2012 
algebra 2
1)In how many different ways can you roll doubles in a monopoly game when you use two die 2)caterer offers a choice of five desserts from a list of eight for the dessert bar at the prom. How many different groups of desserts could be served?
asked on July 21, 2012 
algebra 1
The bag contains three red marbles, two blue marbles, and seven yellow marbles. Two marbles are randomly drawn from the bag. What is the probability of drawing a blue marble, replacing it, and then drawing a yellow marble
asked on July 21, 2012 
algebra 2
The red spinner has six equal sectors labeled with numbers 1 through 6. The blue spinner has four equal sectors labeled with letters A, B, C, and D. Find the probability of spinning the two spinners and getting a number less than three with a B or D.
asked on July 21, 2012 
geometry
Rectangles A and B are congruent. The base of rectangle A is 5 inches more than its height. The height of rectangle B is 12 inches. What is the base of rectangle A?
asked on February 16, 2012 
math third grade
There are 40 people at a picnic. There are 4 more children than adults. How many of each are there?
asked on December 13, 2010 
10th grade Chemistry
What is the hydroxide ion concentration in a solution with [H3O+] = 7.67*10^9 M?
asked on December 9, 2010 
calculus
The treatment of a certain viral disease requires a combination dose of drugs D1 and D2. Each unit of D1 contains 1 milligram of factor X and 2 milligrams of factor Y, and each unit of D2 contains 2 milligrams of factor X and 3 milligrams of factor Y. If
asked on June 26, 2010 
ap enviro
how does nutrition suitability affect a plant's being eaten by animals ......is it more likely to be eaten or less likely and why? in my opinion i think its less likely to be eaten because if its low in nutrition then animals wont be as drawn to it
asked on November 30, 2009 
ap enviromental
for a very long time, prokaryotes were the only living creatures on earth. how long a period? i would appreciate a straight answer please!!!
asked on November 13, 2009 
pre calculus
were doing sum and difference identities tan (225 degrees+60 degrees) i got to the part where its 1+radical 3/1radical 3 ..now what?
asked on November 13, 2009 
social studies
What causes wild fires?
asked on September 21, 2009 
Geography
What is a geography term that starts with the letter Y that is not a place or river?
asked on September 1, 2009 
eng vocab: attitude
i need an example of attitude in literature
asked on August 30, 2009 
pre calc
an earth satellite in circular orbit 1250 kilometers high makes one complete revolution evry 90 min. What is it linear speed? use 6400 kilometers for the radius of the earth.
asked on August 30, 2009 
trig
verify that f(x)= 2x+4 and g(x)= 1/2x+2 .....HELP! i totally blanked on this one :(
asked on April 23, 2009 
kings speech from birmingham jail
Does king consider himself an :outsider" by staging a civil rights protet in Birmingham? List three resons he gives in response to this criticism.
asked on March 4, 2009 
enga modest proposal
um okay i need help plz can u just give me a straight answer? ive had like 10 of these questions 1 Beneath his irony what is swift's argument? and 2 Comment on the statement "I can think of no one objection that will possibly be raised against this
asked on February 17, 2009 
englishkite runner book
1. The relationship between amir and hassan is, in some ways, intended to highliht the contrast between the shiite sunni sects. Describe four elements of social contrast between these two groups. 2.hosseini used irony in comparing life in california to
asked on March 26, 2008

chemistry
thank you!
posted on May 1, 2018 
science
no
posted on April 22, 2018 
Science
WHAT IS THE ANSWER IF I DONT MNOW AND WHY WOULD I ANSWER THIS QUESTION IF I DONT KNOW AND I SEARCHED TO HAVE ANSWERS NOT LETTING ME PUT THE ANSWER HERE UGHHH
posted on November 22, 2016 
Chemistry
testing
posted on October 22, 2016 
Chemistry
0.38Jg○C
posted on October 9, 2015 
Math help algebra
i'm sorry,it's the third one
posted on September 18, 2015 
Math help algebra
the second one is correct
posted on September 18, 2015 
math/econs
Y' = 10 + 10x
posted on March 9, 2015 
algebra
773
posted on March 31, 2013 
maths
45
posted on March 31, 2013 
Algebra
370
posted on March 16, 2013 
fractions
um....... lol
posted on June 9, 2011 
ap enviro
okay are you sure its correct though?
posted on November 30, 2009 
spanish
how is the dog
posted on November 21, 2009 
Geography
Sorry those words didn't help! I need simple ones! Again I need a geography term that starts with the letter Y that is not a place or river.
posted on September 1, 2009 
pre calc
thank you!
posted on August 30, 2009 
pre calc
okay but don't you have to multiply the (1250+6400) by pi and 2 then divide that by 90? i got 534.07 as an answer
posted on August 30, 2009 
trig
oh btw the last part is to to find if they are inverse functions
posted on April 23, 2009 
kings speech from birmingham jail
can i have a stright answer plzzzz i dnt get this at all
posted on March 4, 2009 
enga modest proposal
no it didn't really help but thnx anyway :)
posted on February 17, 2009