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A fuel-air explosive is most powerful when there is an exact stoichiometric amount of oxygen present at detonation. Determine how many grams of oxygen gas would be needed to combine exactly with 13.2 kg of propane (C3H8) gas (the 3 and the 8 are subscripts). You must show all work to receive credit.How many grams of oxygen gas would be needed to combine exactly 13.2 kg of propane (C3H8)?
Elemental exonium (not a real element) consists of two major isotopes Abundance Mass 59% 94 amu 41% 112 amu What is the atomic weight for exonium? Answer in units of amu
3H2 + N2 -> 2NH3. At 200 degrees C in a closed container, 1.00atm of nitrogen gas is mixed with 2.00atm of hydrogen gas. At equilibrium, the total partial pressure is 2.00atm.
CaH2(s) + 2H2O(l) Ca(OH)2(aq) + 2H2(g) How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 10.0 L of H2 gas if the pressure of H2 is 769 torr at 28.0°C?
Suggest a reason why the cyclic intermediate in the formation of methyl-e-4-methoxycinnamte from p-anisaldehyde, might have two important groups in a trans relationship
Which of the following buffers will have the lowest pH?
Using the given reduction potential determine what is the voltage for these given electrochemical cell
Using information in Appendices B and C, calculate the minimum number of grams of C3H8(g) that must be combusted to provide the energy necessary to convert 3.25 kg of H2O from its solid form at -11.0°C to its liquid form at 70.0°C.
used to fill a weather balloon in order to lift equipment into the stratosphere. To what maximum pressure (in atm) could a 271 L balloon be filled?
the osmotic pressure at 20.0 degrees C is 3.62x 10^-3 atm. What is the molar mass of the protein hemoglobin?
The final temperature of the gas, Would it be feasible to make ethanol, C2H5OH, by the following reaction ( under standard conditions and 25 degrees C)
Consider that there is 26.38 g NaCl in a solution that has a total volume of 1,780 mL with a density of 0.8495 g/mL. A) What is the molarity of NaCl? B)What is the mass/mass %?
Given the reaction 4Al(s)+302(g)--2Al2O3(S), what is the minimum number of moles of oxygen gas required to produce 1.00 mol of aluminum oxide?
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