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
Chemistry, 22.06.2019 19:10
Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .
Answers: 2
Chemistry, 22.06.2019 23:30
The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point
Answers: 1
Chemistry, 23.06.2019 09:00
Which of the following are in a chemical family a. ca, sc, k b. cu, ag, au c. so, ge, sb
Answers: 1
The total power used by humans worldwide is approximately 15 tw (terawatts). sunlight striking earth...
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