A student prepared aspirin using 2.019 g of salicylic acid and 5.2 ml of acetic anhydride (d=1.08g/ml) 1. Which reactant is limiting? salicylic acid or acetic anhydride 2. What is the theoretical...
A student prepared aspirin using 2.019 g of salicylic acid and 5.2 ml of acetic anhydride (d=1.08g/ml) 1. Which reactant is limiting? salicylic acid or acetic anhydride 2. What is the theoretical...
A collection of nickels, dimes, and quarters has a value of $3.40. There are twice as many dimes as quarters and there are 32 coins in all. How many of each kind are there ?
The number of hours h that it takes m men to assemble x machines varies directly as the number of machines and inversely as the number of men. If four men can assemble 12 machines in four hours, how...
Write an equation in slope-intercept form of the line with slope 5 and y-intercept 7
Write an equation in slope-intercept form of the line through the points (0, 8) and (2, 12)
What is the slope of a line perpendicular to y = 2/5x + 7
What is the slope of a line parallel to y = 2/5x + 7?
A starts business with a capital of 2400. B and C joins with some investment after 6 months and 3 months respectively. If at the end of the year they earn profit of 4:5:3 respectively. What is C’s...
A starts business with a capital of 2400. B and C joins with some investment after 6 months and 3 months respectively. If at the end of the year they earn profit of 4:5:3 respectively. What is C’s...
In a certain year total population of a village was 2000. If the number of men is increased by 10% and that of the woman is decreased...
5x+3y+z=0 x-3y+2z=9 14x-2y+3z=1
In the year 2000, there were approximately 400 million telephones in use and it was projected that the amount of telephones would increase at a rate of 5% each year. Based on this model, how many...
400gm solution has 40% salt in it. How much salt must be added to make it 50% in the solution?
Bond Bond Length C-O 143 C-C 154 C-Cl 177 C-I 214
can i have some examples please?
This propably sounds dumb but is the answer to y+9y 10y or 9y :)
Sue and Lois live 13.5 km apart. At 10:00 each girl leaves her house and jogs toward the other. Sue jogs for 7.5 km and Lois jogs 6km. If the girls meet at 11:15 AM, how fast does each jog?
How much pure bleach should tim combine with a solution that is 4% bleach to make 12 ounces of a 12% bleach solution(hint: pure bleach is 100% bleach)
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 20 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing...
If f(x)=3sin(x) + 4(x)^x, find f'(3)