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If y(t) is a parabola of the form y(t)= -1/2(g sin(theta))(t^2) + V0y t + Y0 ; and x(t) = V0x t + X0, show by direct substitution that the trajectory y(x) is a parabola with the same form of y(t), the standard equation for projectile motion.
Problem- A gas of unknown molecular weight is found to diffuse at a rate of 0.19 cm/s compared to 0.59 cm/s for helium gas. 1) Calculate the molecular weight of the unknown gas.
toluene c7h8 is used in the manufacture of explosives such as tnt trinitrotoluene. a 1.500 g sample of liquid toluene
A hydrocarbon contains 40.0% carbon 6.66% hydrogen as well as the remainder oxygen. It has molar mass of 180.1 grams. Find out the molecular formula of the compound.
The Kd of methylene chloride/ water of an organic compound is 2.50 A solution is made my dissolving 48 mg of the compound in 10 ml of H2O. How many mg of the compound will be extracted using 10 ml of methylene chloride
If you are given a 0.31 g piece of sodium metal to react with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced
Using the method of successive approximations, what is [H3O+] in 0.500 M (Ka= 1.1*10^-2) and how many iterations (n) are needed to validate that a constant value had been obtained
Question- Which of the following mixtures are buffers and why. If it is a buffer, write an equilibrium equation for the conjugate acid/base pair.
the distance gauge indicates that you have traveled 15.2mi. what was your rate in km/hr?
in the fermentation of glucose wine making a volume of 780 gas was produced at 37 and
water is added to 25.0 ml of .716 mkno3 solution until the volume of the solution is exactly 500 ml. what is the
Explain what is the hydronium-ion concentration in a solution formed by combining 150mL of 0.10 M NaOH with 50mL of 0.30 M HCl
What would you expect to see in a reaction between salicylic acid and ferric chloride, and why
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