Quantitative Chemistry- Sodium bicarbonate and Acetic Acid – How much carbon dioxide is produced Part1
Description:
Today we will determine how much carbon dioxide is produced based on mixing 1.0 g of sodium bicarbonate and 20. mL of 5% acetic acid. This science and math word problem requires you to know chemistry and math.
How to remove micro resistors and capacitors from motherboard or circuit board
Description:
How to remove micro resistors and capacitors from motherboard or circuit board
How long does light take to travel around the earth- Math and Science Word Problem Episode 1
Description:
Today's practical Math question: How long does light take to travel around the earth? You will need to know the circumference of the earth and the speed of light to solve this question.
Electronic Salvage SMD resistor from CFL to LED Flashlight powered by rechargeable lithium battery
Description:
I salvaged SMD resistors from broken CFL nightlight to make LED flashlight. Since it has 150 ohm SMD resistor, I can solder together a small portable flashlight powered by rechargeable 250 mAh lithium battery.