general chemistry
Calculate the molar mass that would be obtained from the actul experimental data under the following conditions. The unknown is mehy propy ether (CH3OC3H7) which has the vapor pressure of 375.2 torr at room temperature, 20C. The volume of the flask is 135mL, the temperature of...
Math
Sally's grandfather is 67 and Sally is 19. At what age will Sally be exactly 1/3 of her grandfathers age? How old will her grandfather be then?
Science
How can you prove that sound travels faster through fresh water than through air?
English
What is the structure and language of the poem Young by Anne Sexton?
Math- Integrated math 4.
From the function rule h(t)=60t-16t^2+2. How do we tell from the graph and the table whe h'(t) will be positive, where it will be negative, and where it is zero.
Chemistry
A sample if liquid water (30g)heats up from an initial temperature of 20C to 78C. How much energy did it take in?
math
alexis sells stuffed animals.she sells a stuffed elephant for $34.95,and the sales tax is 8% of the sales price.about how much is the sales tax on the elephant?
math
for a set of three elements find the number of different subsets of 2 elements.use row 3 of pascals triangle
Math
An equilateral triangle has the same sides. If one the sides measure 1.5 meters. What is it's perimeter ?
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