Answers: 3
Chemistry, 21.06.2019 20:50
Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread
Answers: 2
Chemistry, 22.06.2019 22:30
Which statement best summarizes the importance of ernest rutherfordās gold foil experiment? it proved that all of john daltonās postulates were true. it verified j. j. thomsonās work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
Answers: 1
Chemistry, 23.06.2019 00:30
Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction
Answers: 3
How many liters of oxygen at STP are needed to react with excess methane in the following reaction,...
Mathematics, 25.03.2021 18:30
History, 25.03.2021 18:30
Mathematics, 25.03.2021 18:30
Mathematics, 25.03.2021 18:30
Mathematics, 25.03.2021 18:30
Biology, 25.03.2021 18:30
Mathematics, 25.03.2021 18:30
English, 25.03.2021 18:30
Mathematics, 25.03.2021 18:30
English, 25.03.2021 18:30
Advanced Placement (AP), 25.03.2021 18:30