The temperature of a 350. ml sample of gas increases from 27˚C to 227˚C. What is the final volume of the gas sample if the pressure and amount of gas remain constant?
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The atmospheric pressure in Denver, CO is 633 mmHg. What is…
The atmospheric pressure in Denver, CO is 633 mmHg. What is that pressure in atm?
This limbic system structure is most involved in the creatin…
This limbic system structure is most involved in the creating and filing of new memories and motivations.
A balloon contains 8.00 g of oxygen and a volume of 5.00 L….
A balloon contains 8.00 g of oxygen and a volume of 5.00 L. What is the volume of the balloon, in liters, if 4.00 additional grams of oxygen are added, if temperature and pressure do not change?
When 25.0 g of Zn reacts, how many L of H2 gas are formed at…
When 25.0 g of Zn reacts, how many L of H2 gas are formed at STP? Zn (s) + 2 HCl (aq) –> H2 (g) + ZnCl2 (aq)
The solubility of KCl is 34 g/100 ml water at 20˚C. Which o…
The solubility of KCl is 34 g/100 ml water at 20˚C. Which of the following will result in saturated solution?
What is the IUPAC name of this compound (refer to exam pict…
What is the IUPAC name of this compound (refer to exam picture sheet)?
The force of the collisions of gas molecules against the wal…
The force of the collisions of gas molecules against the walls of a container is called
A tank contains a mixture of helium, neon, and argon gases. …
A tank contains a mixture of helium, neon, and argon gases. If the total pressure in the tank is 490 mmHg and the partial pressures of helium and argon are 215 mmHg and 0.134 atm, respectively, what is the partial pressure of neon?
How many kcal are produced when 32.0 CH4 g reacts in the rea…
How many kcal are produced when 32.0 CH4 g reacts in the reaction shown below? CH4 (g) + 2 O2 (g) –> 2 H2O (g) + 218 kcal