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A 62g piece of ice at 0 degrees C is added to a sample of water at 6 degrees C. All of the ice melts and the temp of water decreases to 0 degrees C. How many grams of water were in the sample?
Which of the following hand tools would be classified as "chiral?" Ignore any writing that might normally appear on the tool
At 212 mm Hg and 24 °C, a sample of gas occupies a volume of 125 mL. The volume is increased to 325 mL and the temperature is reduced to -5.0 °C. What is the final pressure of the gas in the flask?
The reaction between white phosphorous and oxygen produces solid tetra phosphorus decoxide (P 4 O 10 ).
how much sodium hydroxide must be added to a sample of seawater to completely precipitate 89.2 mg of magnesium ions present?
When 18.5 mL of propanoic acid and 19.0 mL of n-propanol are mixed together, calculate the volume of water expected if the yield of the ester were 100%
Determine what would be the final temperature if thirty grams of Al at 95 degrees Celsius are added to 100 grams of H 2 O at 25 degrees Celsius?
Calculate the wavelength of the photon emitted when an electron makes a transition
Calculate the total volume of gas (at 120 and 754 ) produced by the complete decomposition of 1.51 of ammonium nitrate.
What mass in grams of carbon dioxide is produced if 85.0 mol of magnesium carbonate, MgCO3, are heated and allowed to decompose according to this equation? MgCO3(s)--> MgO(s) + CO2(g)
In the formula for sodium phosphate (Na3PO4) how many moles of sodium are represented? How many moles of phosphorus? how many moles of oxygen?
At what temperature will 6.21 g of oxygen gas exert a pressure of 5.00 atm in a 10.0-L container
what is the pH of a solution obtained by adding 3.50g of HBr to 435mL of a 0.639M solution of HNO3?
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