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A 5.0×101 sample of water absorbs 355 of heat.If the water was initially at 25.9, what is its final temperature?
The vapor pressure of water is 28.3 torr at 29°C then determine what is the partial pressure of oxygen collected if a reaction at that temperature produces Carbon Dioxide which is collected over water at a total pressure of 576 torr, ?
Calculate How many grams of H2O at temperature 25 degree Celsius should be poored on the ice with no water in flask initially.
Compute the a)molarity of the solution, b)molality of the solution, c) mole fraction of Ammonia.
A mass of 57 g of lead fishing weight absorbs heat of 146 Calories. Determine its final temperature If its initial temperature =48 Centigrade,?
Determine why would the P have been higher or lower if the H 2 O had been at pH 5?
can you find out the name and formula of the unknown compound and determine the identity of the element?
Determine the calculated pH of the solution if initially there is 2.0mL of CH3COOH at an initial concentration of 0.89M and 0.80mL of 1.0M Hydrochloric Acid is combined.
When 31.7mL of 0.235M Potassium hydroxide is required to completely neutralize 26.0mL of a HC 2 H 3 O 2 solution, calculate the molarity of the acetic acid solution.
You are the Science Officer on the Starship Enterprise and you come across a new planet. You find that no light with wavelength less than about 650 nm reaches the surface of the planet.
The volume of a certain bacterial cell is 1.60 µm3. What is the volume of 105 cells in liters (L)?
Show that the balanced equation obeys the law of conservation of mass.
if potassium bromide of 25.5 grams is dissolved in enough H 2 O to make 1750 mL of solution, determine the molarity of the solution?
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