Chemistry, 19.05.2020 22:18 Kassiekass
In an experiment, sulfuric acid reacted with different volumes of sodium thiosulfate in water. A yellow precipitate was formed during the reaction. A cross drawn at the base of each flask became gradually invisible due the formation of this yellow precipitate. The time taken for the cross to become invisible was recorded. A partial record of the experiment is shown.
Experimental Record
Flask Volume of
H2SO4 Volume of
Sodium Thiosulfate Volume of
Water Time
1 5 mL 50 mL 0 mL 19 seconds
2 5 mL 40 mL 10 mL
3 5 mL 30 mL 20 mL
4 5 mL 20 mL 30 mL
Based on your knowledge of factors that affect the rates of chemical reactions, predict the trend in the last column of the experimental record. Use complete sentences to explain the trend you predicted. You do not have to determine exact values for time; just describe the trend you would expect (increase or decrease) and why it occurs.
Answers: 1
Chemistry, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first cardβs hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
Chemistry, 22.06.2019 10:30
Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88
Answers: 1
Chemistry, 22.06.2019 13:10
Which electron configuration represents the electrons in an atom of sodium in the ground state at stp
Answers: 1
Chemistry, 22.06.2019 14:50
Consider the following multistep reaction: a bβab(slow) a abβa2b(fast)βββββββββββββββββ 2a bβa2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2
Answers: 3
In an experiment, sulfuric acid reacted with different volumes of sodium thiosulfate in water. A yel...
Arts, 22.02.2021 17:00
Mathematics, 22.02.2021 17:00
Mathematics, 22.02.2021 17:00
Advanced Placement (AP), 22.02.2021 17:00
Mathematics, 22.02.2021 17:00
Chemistry, 22.02.2021 17:00
Arts, 22.02.2021 17:00
Health, 22.02.2021 17:00