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A gas occupies a volume of 75 ml when the pressure is 380 mmHg. What volume does the gas occupy at 1140 mmHg
Which of the following correctly lists the following isomeric alkanes in order of increasing boiling point? n-hexane, 2,3-dimethylbutane, 2-methylpentane
If I add 1.65 L of water to 112 grams of sodium acetate what is the molality of NaC2H3O2 in this solution?
In Flask A, you reacted 1.65 g Mg with 0.136 mol HCl. In Flask B, you reacted 2.21 g Mg with 0.098 mol HCl. Which ballon will inflate the most?
Mixture also contains He (helium gas). determine the partial pressure of the He gas?
What is a meniscus? Why do some liquids develop a meniscus? How do we read the liquid level in a volumetric measuring device
Consider the following reaction, where X represents and unknown element. 6X(s) + 2B2O3(s0 = B4X3(s) + 3XO2(g) If 165 grams of X reacts completely with diboron trioxide to rproduce 2.29 mol of B4X3.
Molar Mass of Sulfur based on molality, What would the molar mass of sulfur be based on the following data and information?
a sample of propane, contains 17.7 moles of carbon atoms. How many total moles of atoms does the sample contain.
if 11.2 L of N2 are reacted to form NH3 at STP, how many liters of hydrogen will be required to consume all of the nitrogen
It decomposes into its elements. Write the balanced equation for this reaction. If 71.8 g of Hgo is decomposed, calculate the volume of oxygen at STP
a helium-filled weather balloon is launched from the ground where the pressure is 752 mmHg and the temperature is 21 degrees celsius. under these conditions its volume is 75.0 L.
At 1 atm, how much energy (kJ) is required to heat 65.0 g of H2O(s) at -20.0 degrees C to H2O(g) at 135.0 degrees C?
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