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A 192 g piece of copper is heated to 100.0C in a boiling water bath and then dropped into a beaker containing 75.0 ml of water at 4.0C. What is the final temperature of the copper and water after they come in thermal equilibrium? The specific heat of copper is .385 J/gC
for each element first write the electronic configuration of all the electron then give the electronic configuration of
We want to know the pressure at this condition, but there is no means of measuring it since the tube is sealed. However, if the tube is cooled to -20 degrees celcius, small droplets of liquid are observed on the glass walls. What is the initial pr..
Which of the following statements is true? a. The critical temperature must be reached to change liquid to gas. b. To melt a solid at constant pressure, the temperature must be above the triple point.
If 1.20 grams of sodium metal are reacted with 4.00 mL of water, how many grams of NaOH will be produced. (The density of water = 1.00g/mL)
Decide whether aqueous solutions of the salts a-h are acidic / basic / or neutral. For each ion that hydrolyzes write the hydrolysis equation. acidic/basic/neutral and hydrolysis equation
A 2.00 L sample of air at -50 degreees C has a pressure of 700 torr. What will be the new pressure in torr if the temp is raised to 50 degrees C and volume is increaed to 4.00 L
How should a professional emergency responder be concerned about the following routes of radiation exposure for a person on scene and a person downtown?
what is the pH of laundry water in your washing machine that contains 0.5 mg/L of bleach (hypochlorous acid, HOCl).
how many molecules of ethanol ch2h5oh the alcohol in alcoholic beverages are present in 145ml of ethanol? the density
Please provide a multistep synthesis for the following product (hexane) from the provided starting material (butanol) and any reagents or compounds with 2 carbons or less (Hint: you should be able to do this in 3 steps).
What small molecule is eliminated during the dehydration reaction when acetaldehyde is heated in the presence of KOH
a first order decomposition reaction has a half-life of 43.3yr. what is the rate constant of the reaction in yr-1? give
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