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Car A runs a red light and broadsides Car B, which is stopped and waiting to make a left turn. Car A has a mass of 1,800 kg. Car B has a mass of 1,500 kg. After the impact, the cars stick together and slide away at a speed of 7.1m/s. How fast was Car A going when it hit Car B? Work, please?
A buffer initially contains 0.10 mol acetic acid and 0.13 mol of sodium acetate in 1.00 L. 0.02 mol of potassium hydroxide is added to the buffer
The equilibiurm constant Kc for the reaction below is 4,2 at 1650 degrees Celcius. H2(g)+CO2(g)---->H2O(g)+CO(g). Initially 0.80 mol H2 and 0.08 mol CO2 are injected into a 5.0-L flask
In our world today, aluminum is used for many items, including beach chairs and soda cans. This material was not chosen randomly but was carefully selected based on many variables. Think about where aluminum comes from, how we obtain/purify it and it..
How many mL of .125M AgNO3 and mL of .839M NaCl are needed to react and produce 1.000 gram of solid AgCl
How much heat is required to vaporize 55.0 of acetone at its boiling point? The heat of vaporization of acetone at its boiling point is 29.1.
Using the Arrhenius concept of acids and bases, identify the Arrhenius acid and base in each of the following reactions
While the two solutions are mixed in a constant-pressure calorimeter, a precipitate forms also the temperature of the mixture rises from 21.5 C to 27.7 C. Prior to mixing, how many grams of Cu are present in the solution of CuSO4
Draw all stereoisomers of 2-bromo-4-chloropentane. Use bold and hashed wedges to show the stereochemistry.
Determine the quantity of unknown protein that has an absorbance of 0.227 when a blank has an absorbance of 0.081. The previously determined calibration curve has the form of a straight line with the equation A = 0.0182 × m 0.007
State Lewis (dot) formulas for the following and indicate their shape whether it is linear, trigonal, pyramidal, bent, or tetrahedral and to tell whether it is polar.
Explain the differences between ionic bonding and covalent bonding, and how each type of bonding affects solubility, melting and boiling points, and reactivity of compounds. Include at least 2 examples of each and organize your information in a ch..
What is the rate constant of a first-order reaction that takes 367 seconds for the reactant concentration to drop to half of its initial value
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