🌍 Chemistry by Chang – Problem 1.38 | Unit Conversions: From Human Scale to Cosmic Scale | Steemit Science
Hello Steemit learners! 👋⚗️
Here’s another fascinating problem from Raymond Chang’s Chemistry (14th Edition), in Chapter 1: Measurement and the Properties of Matter.
It demonstrates how dimensional analysis can be applied across a huge range of scales — from everyday human measurements to the age of the universe!
🔹 Problem 1.38:
Carry out the following conversions:
(a) 70 kg (the average weight of a male adult) → pounds
(b) 14 billion years (roughly the age of the universe) → seconds (assume 365 days per year)
(c) 7 ft 6 in (the height of basketball player Yao Ming) → meters
(d) 88.6 m³ → liters
This problem shows the power of unit conversion as a universal scientific tool.
Whether we’re describing human physiology, astrophysics, or everyday volumes, the same principles of dimensional consistency apply.
📸 Here’s my complete step-by-step conversion process for each part:
From the height of Yao Ming to the age of the universe — that’s the magic of science and numbers! 🌌🏀
Which of these conversions surprised you the most? Let’s chat in the comments! 💬
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