What is the empirical formula of cyclopentane
Cyclopentane, CxHy is a simple hydrocarbon. If 0.0956g of the compound is burned in oxygen, 0.300g of CO2 and 0.123g of H20 are isolated. What is the empirical formula of cyclopentane?
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A fire extinguisher has a pressure of 10. atm. at 25degC. What is the pressure in atmospheres if the fire extinguisher is used ata temperature of 75degC?
A sample of serum has a mass of 54 mg and a volume of 225 cm^3. What is its density in g/cm^3? What would be the mass of 150 fluid ounces of this serum? What would be the volume of 1 pound of this serum?
A resistor connected across an AC power supply has a current given by I=(1.05 A)cos{(300t)} when connected to a power supply with emf 120 V rms. A) Find the rms current. B) Find the resistance.
There are 40 coins in all. There are 3 more nickels than quarters. The value of the dimes is $4.40 less than the value of the quarters. How many coins of each type are in the jar?
Find the number of pebbles needed when the crows beak is 4 inches long, the pitcher has a 5 inch diameter and a height of 12, finally the pebbles are 1 inch in diameter.
An 8.4 kg crate is pulled 4.8 m up a 30° incline by a rope angled 18° above the incline. The tension in the rope is 125 N, and the crate's coefficient of kinetic friction on the incline is 0.25. a) How much work is done by tension, by grav
A string with linear mass density of 0.141 kg/m is under a tension of 103 N. How much power must be supplied to the string to generate a sinusoidal wave of amplitude 1.69 cm and frequency 117 Hz?
If you soak the pickle in the different salt solution,such as strotium chloride, would you still observe 589nm light emission?Why of why not?
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What is the proposed mechanism of action of the medication(s)? Why might this be appropriate for the patients?
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