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A puck on the ice travels 20.0 m [25° W of N], gets deflected, and travels 30.0 m [35° N of W]. Determine where the puck will end up with respect to its starting point, e.g., the puck's total displacement.
A player is positioned 35 m [40° W of S] of the net. He shoots the puck 25 m [E] to a teammate. What second displacement does the puck have to travel in order to make it to the net?
Lead nitrate, Pb(NO3)2, reacts with sodium sulfate, Na2SO4, to make lead sulfate, PbSO4, and sodium nitrate, NaNO3. How much lead sulfate can one make from 65.05 g lead nitrate and 55.02 g sodium sulfate? Explain fully how you came to you answer. I..
Calculate the final temperature of a mixture of 170.0 g of ice initially at -7.0 degrees C and 318.0 g of water initially at 94.0 degrees C.
A gas mixture composed of helium and argon has a density of 0.670 g/L at 755 mm Hg and 298K. What is the composition of the mixture by mass
Choose the correct expression for Keq and description (homogeneous or heterogeneous) for the following reaction: Cr3+(aq) + 3 Ag(s) Cr(s) + 3 Ag+(aq)
How many total moles of ions are released when each of the following samples dissolves completely in water. (a) 0.342 mol of K2HPO4
a 150 ml buffer solution containing 0.100 m hydrocyanic acid hcn ka6.2 x 10-10 and .100 m soudium cyanide nacn has 30.0
Can someone explain how to determine if the cis or trans isomer is optically active for [Cr(NH3)2(ox)2]-And please show the isomers drawn so i can see if i have drawn them correct.
A 10.00 mL sample of a solution of hydrofluoric acid,HF, is diluted to 500.00 mL. A 20.00 mL sample of the diluted solution requires 13.51 mL of a 0.1500 M NaOH solution to be titrated to the equivalence point.
Assuming that the copper and lead are pure, determine the relative amounts of each kind of BB. A bag contains a mixture of copper and lead BBs
Bleach is utilized to remove colored stains from clothing. Explain what type of reaction would you suspect that bleach is doing to the colored organic compounds that cause the stains
A 44 sample of water absorbs 329 of heat If the water was initially at 21.7, what is its final temperature.
Give the balanced chemical equation (including phases) that describes the combustion of butene,
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