Chemistry, 30.04.2021 04:30 anonymous1813
To investigate the effect of changing various factors on the rate of a reaction, Kayla placed a conical flask onto a scale at room temperature and added 5.0g of Magnesium strip followed by excess hydrochloric acid.
(a) Kayla repeated her experiment using 5.0g of Magnesium powder instead of the strip. What effect would you expect this to have on the rate of the reaction, (Increase or
decrease)? Explain your answer.
Effect:
Explanation:
(b) Kayla repeated her experiment again at 40°C, instead of room temperature. What effect would you expect this to have on the rate of the reaction. (Increase or decrease)? Explain your answer.
Effect:
Explanation:
(c) Kayla repeated her experiment again using a lower concentration of hydrochloric acid. What effect would you expect this to have on the rate of the reaction. (Increase
or decrease)? Explain your answer.
Effect:
Explanation:
Answers: 1
Chemistry, 22.06.2019 00:30
This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
Answers: 2
Chemistry, 22.06.2019 10:30
Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?
Answers: 3
Chemistry, 22.06.2019 14:50
How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
Answers: 1
Chemistry, 22.06.2019 18:50
Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.
Answers: 1
To investigate the effect of changing various factors on the rate of a reaction, Kayla placed a coni...
Social Studies, 15.10.2019 01:10
Mathematics, 15.10.2019 01:10
History, 15.10.2019 01:10
Mathematics, 15.10.2019 01:10
Mathematics, 15.10.2019 01:10
Mathematics, 15.10.2019 01:10
Biology, 15.10.2019 01:10
Mathematics, 15.10.2019 01:10