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Full question and my working is attached in the below.I would be glad if I could have a detailed explanation.
For my science homework I've got to wright in my own words why alchemy and the phlogiston theory are wrong, but I'm not sure as to why they are. Can someone help me??
two identical charges each of 15g mass and negligible volume are both suspended from the same point by a non conduction weightless strings 1500mm in length. Find the magnitude of each charge is the angle between the strings is 5.
The answer to this question according to the back of the book is 0.11x10^-6C.
When copper metal reacts with concentrated nitric acid, SALT, WATER and GAS forms. What is the name of the gas?
For the chemical compound which is represented in vinegar together with water: What is the name and formula of this compound?