Problem: How to use the scanlife for iphone app
Download, install and open the scanlife app on your iphone.
Look at the main page of the app, after the splash screen displays and goes away.
You should see several things going on.

Answer: It'll open to a page where you'll be able to scan all of the qr codes and barcodes that exist on most products and all store shelves. Scan a barcode or qr code from the location.

Problem: How to study states of equilibria in organic reactions
Understand what happens when equilibrium occurs.
Chemical reactions that reach a state of thermodynamic equilibrium are typical of uncatalyzed reactions in which their energy profile shows net enthalpy change of the reaction that is close to zero. This means that the reaction neither releases heat nor absorbs heat.

Answer: This type of reaction is not driven by thermodynamic force so that it reaches a state of equilibrium. Normally other thermodynamic functions are affected by this state of equilibrium.

Problem: How to harvest radishes
Give the radishes time to mature.
Many varieties mature quickly, only needing as few as three weeks before they are ready to harvest and eat. Allow the radishes in your garden to mature, but once they mature, harvest them quickly.
Answer: Spring radishes mature quickly and tend to degrade quickly if left in the ground for a few days longer than necessary. Winter radishes can be neglected a little more since they take longer to mature and longer to spoil in the ground.