Answers: 1
Chemistry, 22.06.2019 14:30
Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
Answers: 1
Chemistry, 22.06.2019 15:00
Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .
Answers: 1
Chemistry, 22.06.2019 18:50
Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space
Answers: 3
Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
Based on how heat is transferred, why does opening a window cool down a room?...
Spanish, 31.07.2019 07:00
Spanish, 31.07.2019 07:00
Biology, 31.07.2019 07:00
Biology, 31.07.2019 07:00
English, 31.07.2019 07:00
Biology, 31.07.2019 07:00
Social Studies, 31.07.2019 07:00
History, 31.07.2019 07:00
Mathematics, 31.07.2019 07:00
Social Studies, 31.07.2019 07:00
History, 31.07.2019 07:00
Mathematics, 31.07.2019 07:00