Physics
As its volume is doubled from an initial value of 0.088 m3, a sample of gas is held at a constant pressure of 3.4 × 104 Pa by heating. Then, while a constant volume is maintained, the gas is cooled back to its initial temperature. The work that the gas does on the enviro...
Physics
A system performs 349 J of work on its surroundings while losing 133 J of internal energy. Determine the heat transferred to the system during this process.
Algebra 2
find all the zeros of the polynomial function F(x)= x^4+4x^3-6x^2-36x-27
Math Urgent
Two surveyors with two-way radios leave the same point at 9:00am., one walking due south at 2 mi/hr and the other due west at 5 mi/hr. How long can they communicate with one another if each radio has a maximum range of 10 miles?
Algebra
A rectangular plot of ground having dimensions 24 feet by 26 feet is surrounded by a walk of uniform width. If the area of the walk is 104 feet squared, what is its width?
Algebra
A boy can row a boat at a constant rate of 5 mi/hr in still water. He rows upstream for 19 minutes and then rows downstream, returning to his starting point in another 13 minutes. What is the rate of the current? What is the total distance traveled?
English
I know that 'you' and 'I' are pronouns but are words like 'you're' and 'I'm still classed as perosnal pronouns? thanks
Chemistry
How many moles of Mg2+ and NO3- form for each mole of Mg(NO3)2 that dissolves?
chemistry
How many H2O molecules are formed when 14 methanol molecules react?
Algebra
Indicate in standard form the equation of the line passing through the given points. A(4, 1), B(5, 2)
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