Answers: 2
Chemistry, 23.06.2019 06:40
4786 joules of heat are transferred to a 89.0 gramsample of an unknown material, with an initialtemperature of 23.0°c. what is the specific heat of thematerialif the final temperature is 89.5 °c?
Answers: 1
Chemistry, 23.06.2019 17:10
Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.
Answers: 1
Chemistry, 23.06.2019 19:30
How has the scientific model of the atom changed over the centuries, and what new evidence led to the various changes in the model?
Answers: 1
Hi hi hi anyone need to talk bout anything come here have a good day...
Mathematics, 16.09.2021 16:10
Mathematics, 16.09.2021 16:10
Mathematics, 16.09.2021 16:10
English, 16.09.2021 16:10
Chemistry, 16.09.2021 16:10
Social Studies, 16.09.2021 16:10
Mathematics, 16.09.2021 16:10
Physics, 16.09.2021 16:10
Mathematics, 16.09.2021 16:10
English, 16.09.2021 16:10
History, 16.09.2021 16:10