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A 1L steel tank has a safety valve that opens when the internal pressure exceeds 850 torr. The tank is filled with He at 23 oC and 0.991 atm. To what temperature (oC) will the tank need to be heated for the safety valve to open?
Reaction 1 uses 0.260 of reactant, and Reaction 2 uses 0.590 of reactant. How many times faster is Reaction 2 compared to Reaction 1.
If the reaction 2H2S(g) 2H2(g) + S2(g) is carried out at 1065C, Kp = 0.0120. What is the value of Kc for the reaction H2(g)+1/2S2(g) H2S(g) at 1065C ?
Exactly 100 pounds of cane sugar (dextrose), C12H22O11, were accidentally discharged into a small stream saturated with oxygen from the air at 25 celcius.
Determine the partial pressure and total pressure of the gases and Find the partial pressure of carbon dioxide in a gas mixture
Hydrogen was cooled from 150 c to 50 c. It's new volume is 75 ml. What was the original volume?
A 706 mL gas sample at STP is compressed to a volume of 248 mL, and the temperature is increased to 39?C. What is the new pressure of the gas in Pa.
You have a solution of sodium nitrate containing 140g at 65 degrees Celsius. Is the solution saturated, unsaturated, or supersaturated.
Determine the identity of the diatomic gas when a boy places 59.5 gm of a diatomic gas into a ten litres container at 25 degree Celsius (measures the pressure to be 2.053 atm. )
If 6.73 g of Na2CO3 is dissolved in enough water to make 250 mL of solution, what is the molarity of the solution? What is the molarity of the Na+ ions
Calculating new pH, a). How many mL of each of 0.10M lactic acid solution and 0.10M NaOH solution are needed to make 800mL of a buffer of pH 3.50?
Na3PO4+CaCl2 ---> Ca3(PO4)2+NaCl if 0.996 g of Na3PO4 are provided, how many grams of Ca3(PO4)2 should be formed?
Determine what would be its temperature after absorption of 9.4 * 10-2 kWh of heat If 1.45 L of water is initially at 25.0 °C,?
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