Monday
December 9, 2013

# Posts by Collin

Total # Posts: 48

Chemistry
How many grams of methane must be combusted to heat 1.05 of water from 24.0 to 89.0, assuming as a product and 100% efficiency in heat transfer?

chemistry
How many grams of methane must be combusted to heat 1.05 of water from 24.0 to 89.0, assuming as a product and 100% efficiency in heat transfer?

Math
How do I illistrate Aunt May hides 10,000 dollars in \$20 dollar bills under her mattress. If she spends \$20 dollars every day, how many days will it take her to run out of money? Do I really need to draw 500 \$20 dollar bills?

english
"I hear that Anne is just a silly little goat who doesnt know anything at all and imagines that shes learned a wonderful lot from books" This is found on page 46 and I think she wrote this section because she gets tired of people telling her she is too young and is j...

english
Alright, I am also reading Anne Frank, but I'm having trouble with the question about how Anne used humor to relieve the anxiety and boredom of living in the hiding?

Physics-Resonance
Sorry, but your answer is incorrect. Since the pipe is 3.00 m long and open at one end, the first resonance will occur with a wavelength four times the length of the pipe, or 12 m. Use 343 m/s for the speed of sound at 20°C. Velocity = Wavelength x Frequency Frequency = Ve...

chemistry
how many grams of beryllium chloride would you need to add to 125 ml of water to make a .050 molal solution

physics
a snowmobile has a mass of 2.5*10^2 kg. A constant force acts upon it for 60 seconds. The snowmobile's inital velocity is 6 m/s and its final velocity is 28 m/s. a) find its change in momentum of the ball. b) what is the magnitude of the force action upon it?

physics
a 4 kg model rocket is launched, shooting 50 kg of burned fuel from its exhaust at an average velocity of 625 m/s. What is the velocity of the rocket after the fuel has burned.? Ignore effects of gravity and air resistance.

math
i am an even number that has more ones than tens. My thousands digit is the quotient of 9 divided by 3 and my tens digit is the sum of 3 and 3. i have no hundreds. what number am I>

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