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During a basal metabolic test, Steve consumes 460. L of O2.
a. What is Steve's body mass?
b. What is the change in his BMR oxygen intake if he loses 15.0 kg of body mass?
The heat of vaporization of a substance is 2800 J/g at its boiling point of 219 degree C. How much of this substance can be vaporized if 62800 J energy are available?
Suppose that 0.570 mol of methane is reacted with 0.720 mol of fluorine forming CF4(g) and HF(g) as sole products.
Explain how do you write a balanced chemical equation for the production of sulfuric acid when sulfur trioxide is mixed with water
The boiling temperature is found to be 157 C(760 torr) as the first small amount of distillate is collected. The standard vapor pressures of n-propylcyclohexane and n-propylbenezene are known to be 769 toor and 725 torr
A 10.0 mL sample of aqueous HCl requires 24.32 mL of 0.134 M NaOH to reach the endpoint. What is the molar concentration of HCl. The equation for the reaction is:
If the volume of a gas container at 32.0°C changes from 1.55 L to 755 mL, what will the final temperature be
Explain why the boiling point of propyl alcohol is higher, even though both have the molecular formula C3H8O.
a) For a system having internal pressure of 760 mm Hg, would have what gage pressure if the barometric pressure 1 atm?b) For the same barometric pressure and a gage pressure of -136 mm H2O, what would be the absolute pressure?
An atomic emission spectrum of hydrogen shows the following three wavelengths: 121.5 {\rm nm}, 102.6 {\rm nm}, and 97.23 {\rm nm}. Assign these wavelengths to transitions in the hydrogen atom
Calculate ?H° for each of the following reactions using the data in Appendix 4: 4Na(s)+O2(g) ? 2Na2O(s) 2Na(s)+H20(l) ? 2NaOH(aq)+H2(g) 2Na(s)+CO2(g) ? Na2O(s)+CO(g) Explain why a water or carbon dioxide fire extinguisher may not be effective inpu..
determine the empirical formula of a substance (Vanillin) that contains 63.15% carbon, 5.30% Hydrogen, and 31.55% oxygen.
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.061 M NaOH.
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