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A sample of gas has a volume of 47.18 L. Determine the new volume of the gas if the pressure is tripled while the temperature is kept constant.
What is the density of a gas in g/L that has a molecular weight of 144, if the temperature and pressure is 25 degree C and 750 mmHg?
A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution
Methanol, CH3Oh, is produce commercially by the catalyzed reaction of carbon monoxide and hydrogen
2KClO3 + heat > 2KCl + 3O2, How many moles of O2 form as 3.0 mol of KClO3 are totally consumed.
What is the rate constant for this reaction. Express your answer with the appropriate units. Include an asterisk to indicate a compound unit with mulitplication, for example write a Newton-meter as N*m.
Question- Determine the volume of 0.150M sodium benzoate needed to have a pH 3.72 for 0.0500 mol of benzoic acid (C6H5COOH). pKa= 4.202
a metal sample weighing 71.9 g and at a temperature of 100.0c was placed in 41.0 g of water in a calorimeter at 24.5c.
Determine a crystallization of sulfanilamide in which 10mL of hot95% ethyl alcohol is added to 0.10 g of impure sulfanilamide. After the solid has dissolved the solution is cooled to room temperature and then placed in an ice-water bath.
What is the total mass of AlCl3 in this sample? b. How many moles of AlCl3 are in this sample?
The density of the gas doesn't change The temperature of the gas increases The temperature of the gas decreases The mass of the gas decrease
Determine the relation shown for the radius of the species indicated. Explain which choice presents a valid comparison
Problem- Is an aqueous solution that is 0.0500 M in HCLO and 0.0200M in NaCLO a buffer solution and why?
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