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The total power used by humans worldwide is approximately 15 TW (terawatts). Sunlight striking Earth provides 1.336 kW per square meter (assuming no clouds). The surface area of Earth is approximately 197,000,000 square miles. How much of Earth's surface would we need to cover with solar energy collectors to power the planet for use by all humans? Assume that the solar energy collectors can only convert 10% of the available sunlight into useful power.
What is the empirical formula of a hydrocarbon if complete combustion or 6.000 mg of the hydrocarbon produced
What is the millimolar solubility of oxygen gas, in water at 16 , if the pressure of oxygen is 1.00 ?
The hydrogen is recovered as its most stable oxide. When the oxide was made to decompose completely it released 1.274x10^25 molecules of oxygen gas.
Consider titrating 15.0ml of a .245M solution of hydazine, H2NNH2, with a .453M HCl solution. The Kb value for hydrazine is 1.3x10^-6. What volume of HCl needs to be added to the solution in oder to have a bffer system with the maximum capacity fo..
a 27.2 ml sample of a solution of rboh is neutralized by 16.12 ml of a 2.047 m solution of hbr. what is the molarity of
Question- Write a balance (a) formula unit, (b) total ionic and (c) net ionic equations for the reaction of sodium acetate (NaCH3COO) with sulfuric acid
Ice at 0.0° C is mixed with 9.00 102 mL of water at 23.0° C. How much ice must melt to lower the water temperature to 0.0° C
a calorimeter contains 150g of water at 65 c. 45f of 5 c is added to the calorimeter and the mixtures temperature
Write a balanced molecular equation for this reaction. Remember to balance the electrons gained and lost.
Find the standard cell potential for the galvanic cell ( Al | Al3+ || Ni2+ | Ni ) if both solutions have 1.00 M concentrations. Recall the standard cell potential calculated as E0cell = E0 (reduced species) - E0 (oxidized species) does not depend ..
What molarity of aqueous calcium chloride solution can be expected to show the same conductivity as 0.0050 M aluminum sulfate at 12,500 units.
What observed rotation is expected when a 1.06 M solution of (R)-2-butanol is mixed with an equal volume of a 0.530 M solution of racemic 2-butanol,
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