Chemistry, 30.07.2019 16:40 tommyaberman
1. a change in temperature is always an indicator of a chemical reaction. true or false? 2. a color change is an indicator of a chemical reaction. true or false? 3. a change in size is an indicator of a chemical reaction. true or false? 4. the release of gas is an indicator of a chemical reaction. true or false? 5. the formation of a precipitate is an indicator of a chemical reaction. true or false? 6. a change in state is an indicator of a chemical reaction. true or false?
Answers: 1
Chemistry, 22.06.2019 03:10
The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.
Answers: 1
Chemistry, 22.06.2019 10:30
If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5
Answers: 1
Chemistry, 22.06.2019 11:00
What is the molar mass of a gas that has density of 2.054 g/l
Answers: 2
1. a change in temperature is always an indicator of a chemical reaction. true or false? 2. a colo...
Mathematics, 25.09.2021 22:30
Biology, 25.09.2021 22:30
History, 25.09.2021 22:30
Mathematics, 25.09.2021 22:30
Biology, 25.09.2021 22:30
Biology, 25.09.2021 22:40
History, 25.09.2021 22:40
Biology, 25.09.2021 22:40
Biology, 25.09.2021 22:40
English, 25.09.2021 22:40