Chemistry, 16.11.2020 17:50 alyssatamayo641
A chemist added hydrochloric acid to a sample of baking soda in a beaker. Immediately, the mixture of the two chemicals began to fizz and bubble. Which of the following observations about the fizzing mixture provides evidence of a chemical
reaction?
A. The temperature of the beaker did not change.
B. A substance escaped from the beaker in the form of a gas.
C. Some of the baking soda remained in the bottom of the beaker.
D. Most of the baking soda appeared to dissolve in the acid.
Answers: 2
Chemistry, 22.06.2019 10:10
How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?
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 15:00
Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.
Answers: 2
Chemistry, 23.06.2019 08:40
Calculate the number of grams of sodium in 3.00 g of each sodium-containing food additive.
Answers: 3
A chemist added hydrochloric acid to a sample of baking soda in a beaker. Immediately, the mixture o...
Mathematics, 02.10.2022 07:40
Biology, 05.10.2022 14:30
Mathematics, 05.10.2022 16:20
Business, 06.10.2022 06:40
Social Studies, 06.10.2022 08:30
Mathematics, 06.10.2022 14:00
Mathematics, 07.10.2022 01:30
Business, 07.10.2022 14:00