Chemistry, 19.08.2019 00:50 maiacheerz
a plant uses the energy from sunlight to create oxygen and glucose from carbon dioxide and water. which statement is true about the changes that have occurred? a chemical change has occurred because energy was needed.
a physical change has occurred because the substances are still gases.
a physical change has occurred because the plant looks different.
a chemical change has occurred because new compounds have been produced.
Answers: 2
Chemistry, 21.06.2019 18:50
Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.
Answers: 2
Chemistry, 21.06.2019 21:00
Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical
Answers: 2
Chemistry, 22.06.2019 04:30
Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
Answers: 1
Chemistry, 22.06.2019 09:30
Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles
Answers: 2
a plant uses the energy from sunlight to create oxygen and glucose from carbon dioxide and water. wh...
Mathematics, 18.09.2019 21:30
Biology, 18.09.2019 21:30
History, 18.09.2019 21:30
English, 18.09.2019 21:30
Biology, 18.09.2019 21:30
Spanish, 18.09.2019 21:30
English, 18.09.2019 21:30
Chemistry, 18.09.2019 21:30
Chemistry, 18.09.2019 21:30
History, 18.09.2019 21:30