Mixing silver nitrate and copper is one of the most famous chemistry experiments, with it starring in many a school science lesson around the globe.
For any newly paved driveway, it is important to wait at least 3 days before you drive on it. If the temperature outside is 20Â°C or more, it would be advisable to wait for a longer period of time. Once your driveway has had a chance to cure, it is important that you remember to not turn the wheels of your vehicle sharply on hot days. When you do drive on the driveway, make sure the vehicle is in motion when turning the wheels. You can help your driveway cure by watering it with a garden hose.
Conventional concrete setting times are bit more subjective. Assuming that optimum temperatures are present during pouring and setting, you can *possibly* walk it in 24 hours, but gently. I like to wait 48 hours to be on the safe side. It will take 7 days to reach 2,500 lbs.he only stupid question is the one not asked. Not only can you get DIY advice at the Chatroom but a bit of Chinese philosophy as well. ****************************. The fast setting concrete answer is easy. You can walk it in 2 hours and set heavy objects in 4 hours.