A horizontal stretch of snow
A sled is traveling at 4 m/s along a horizontal stretch of snow. The coefficient of kinetic friction is 0.05 . Howfar does the sled go before stopping ?
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which is a mixture of 80% aluminum oxide and 20 % aluminum nitride (% by mass). Use this information to determine the empirical formulas of aluminum oxide and aluminum nitride.
Which of the following acid-base pairs would work best for a laboratory experiment requiring a pH of 6.8? What molar ratios of the compounds would you use to prepare the solution?
what mass of (NH4)2SO4 must be dissolved in 0.100L of 0.350M NH3 to produce a buffer solution with pH 10.05?
The 0.8 kg collar slides freely on the fixed circular rod. Calculate the velocity v of the collar as it hits the stop at B if it is elevated fro rest at A by the action of the constant 40 N force in the cord. The cord is guided by he small fixe
R2 Deaker and C3 Phosphate are titrating 100 mL of monoprotic acid with a 0.5 M NaOH solution the equivalence point was reached after the addition of 15 mL. What is the concentration of the acid in molarity?
Draw the skeletal structure of the carbocation whose beta-deprotonation leads to the major organic product when 2,2-dimethylcyclohexanol is treated with concentrated sulfuric acid and heated.
If 56.4 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 748 mg sample of Na2SO4, what is the molarity of the solution?
Make a schematic drawing of an amorphous Si glass with 10%H, including about 30 atoms. (Hint: think about how many bonds Si will form, and how many bonds H would form).
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