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On December 1, 1783 Jacques Charles became the first human topilot a non-tethered hydrogen balloon. He flew the balloon forfifteen miles and stayed in the air for a total flight time of 45minutes. The balloon was made of silk coated with a thin layer ofnatural rubber and had a diameter of 27 feet. He generated thehydrogen gas needed to lift the balloon by mixing a large amount ofiron with aqueous sulfuric acid. If he used 1x10^3 lbs. of iron and excess sulfuric acid, how many liters of hydrogen gas were made? Fe(s) + H2SO4(aq) -> FeSO4(aq) + H2(g)
How much heat is absorbed in the complete reaction of 3.00 grams of SiO2 with excess carbon in the reaction below?SiO2(g) + 3 C(s) → SiC(s) + 2 CO(g) ?H for the reaction is +624.7 kJ/mol
Draw a sigma only MO diagram for a generic ML6^n- complex. Label all atomic and molecular orbitals with their proper symmetry designations. Which orbitals are nonbonding and why
If a bottle of nail polish remover contains 150g of acetone, how much heat would be released by its complete combustion?
Find out the empirical formula also determine how many carbon,hydrogen, oxygen atoms are in there in this empirical formula?
The letter designations for the first four sublevels with the number of electrons that can be accommodated in each sublevel are what
how many grams of sodium chlorida are in 100 ml of water if the vapor pressure of the solution is 630 torr 20 c? given
Determine the molality and molarity of a solution made by dissolving 445 g of NaBr in 2600 ml of water ?
Describe how you would prepare the following solutions from the dry solute and solvent. 1.00*10^2g of .500m KCl
understanding of chemistry basics.1. the relative concentrations of reactant and product found when a reaction reaches
A sample of water vapour at 200 degrees C is compressed isothermally from 350 cm^3 to 120 cm^3. What is the change in its molar Gibbs
What is the freezing point of a solution that contains 12.0 g of glucose (C6H12O6) in 50.0 g of water (Kf = 1.86°C/m)
Under what reactiong mechanism the ring break in methylcyclohexene to form an open ring with two OH on it. its organic two btw
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