What is the amount of energy involved
what is the amount of energy involved in calories given off when 85g of water cools from 45 degrees celius to 25 degrees celius?
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What is the boiling point of a solution produced by adding 630 of cane sugar (molar mass 342.3 ) to 1.1 of water? For each mole of nonvolatile solute, the boiling point of 1 of water is raised 0.51.
54 kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is 1.7 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar.
During the production process, the production engineer determines the reaction quotient to be = 3.56×10-4. If = 6.02×10-2, what can be said about the reaction?
You are driving down the highway late one night at 20 m/s when a deer steps onto the road 35m in front of you. Your reaction time before stepping on the brakes is 0.50s , and the maximum deceleration of your car is 10m/s^2. How much distance is be
The redox activity series lists reactions as. with lithium at the top and gold at the bottom. Which statement best describes the redox activity series?
A pipette is used to add 46 mL of 0.3 M Pb(NO3)2 to a 273.0 mL solution of 0.3 M NaF. Determine the equilibrium concentration of Pb2+(aq) in the final solution. Ksp(PbF2)=3.6E-8
What is an example of a marketing mix that has a high price level but you see it as having good value? Explain in detail what makes it a good value.
The muon, with mass m=209me, acts as a heavy electron. The muon can bind to a proton to form a muonic atom. Calculate the ionization energy of this atom, and calculate the radius of the muonic atom in its ground state. Ignore reduced-mass effects.
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Mixed methods research is a powerful approach that integrates both quantitative and qualitative data collection and analysis within a single study
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100-150 word response to the following: Hello All, In the immediate aftermath of a large-scale disaster, I would focus on both emotional stabilization