Chemistry, 06.10.2019 05:00 mariahdelossantos031
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. what percentage of the 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.
Answers: 3
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What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?
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Chemistry, 21.06.2019 23:10
Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.
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Chemistry, 22.06.2019 02:30
You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap
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Chemistry, 22.06.2019 05:00
Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change
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The total power used by humans worldwide is approximately 15 tw (terawatts). sunlight striking earth...
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