Physics, 09.12.2020 21:50, marissastewart533
According to the law of conservation of matter, the number of is not changed by a chemical reaction.
A.
products
B.
molecules
C.
atoms
D.
bonds
Answers: 1
Physics, 21.06.2019 16:00, hermesrobles
In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?
Answers: 1
Physics, 22.06.2019 02:30, scasemere
Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.
Answers: 2
According to the law of conservation of matter, the number of is not changed by a chemical reaction...
History, 11.07.2019 14:00
Geography, 11.07.2019 14:00
Spanish, 11.07.2019 14:00
Physics, 11.07.2019 14:00
History, 11.07.2019 14:00
Mathematics, 11.07.2019 14:00