Article VII of the Constitution required nine of thirteen states to ratify the Constitution for it to become law. In June 1788, New Hampshire became the ninth state. Rhode Isl â¦ and was the last of the states to ratify, in May 1790.
Storage Volume. A small (50- to 60-gallon) storage tank is usually sufficient for one to two three people. A medium (80-gallon) storage tank works well for three to four people. A large tank is appropriate for four to six people. For active systems, the size of the solar storage tank increases with the size of the collector -- typically 1.5 gallons per square foot of collector.
1 Consists of solar collector panels and a storage tank. 2  A four-person household typically needs about four square metres of solar collector area (two panels) and a 300â360L tank. 3  You need a large tank to allow for days with less sunlight (or more hot showers than usual). A four-person household typically needs about four square metres of solar collector area (two panels) and a 300â360L tank. 2  You need a large tank to allow for days with less sunlight (or more hot showers than usual).