1) A(g) + B(g) → C(g) + D(g) + E(g). Based on the reaction, a true statement about the rate of reaction, unless.. a) Kecepatan berkurangnya konsentrasi A persatuan waktu b) Kecepatan berkurangnya konsentrasi B persatuan waktu c) Kecepatan berkurangnya konsentrasi C persatuan waktu d) Kecepatan bertambahnya konsentrasi D persatuan waktu e) Kecepatan bertambahnya konsentrasi E persatuan waktu 2) In a chemical practicum, vidi inserts 8 grams of substance A (Ar A=65) into a beker containing 200mL of HCl 2M solution. After the reaction lasts for 1 minute, substance A still remains as much as 1.5 grams, then the rate of reduction of substance A is... a) 1,2 x 10-3 M/s b) 3,7 x 10-3 M/s c) 4,2 x 10-3 M/s d) 8,3 x 10-3 M/s e) 11,2 x 10-3 M/s 3) Based on the collision theory, the rate of reaction will depend on several things, except... a) Frekuensi Tumbukan b) Kecepatan tumbukan dengan ukuran atom berbeda c) Energi tumbukan dengan energi yang cukup d) bertumbukan dengan arah yang tepat e) bertumbukan dengan ukuran partikel yang sama 4) Factors that affect the rate of reaction, except...Factors that affect the rate of reaction, except...  a) Luas Permukaan b) konsentrasi c) suhu d) waktu e) tekanan 5) A reaction rate will increase to 2x the original rate if the reaction temperature is increased by 10oC. If at 30oC, then the reaction lasts 48 minutes, then the reaction time takes place at 60oC is... minute a) 6 b) 12 c) 24 d) 32 e) 96 6) The reaction rate equation is formulated: v = k[NO2][Br2]. If the concentration of NO2 is raised 2 times and the concentration of Br2 is raised 4 times, The reaction rate becomes….. times back a) 4 kali b) 8 kali c) 10 kali d) 16 kali e) 20 kali 7) A certain amount of magnesium of the same mass reacts with the same amount of sulfuric acid. The conditions that produce the fastest reaction are... a) Bentuk Mg= serbuk; konsentrasi asam= 1M; Suhu 80oC b) Bentuk Mg= serbuk; konsentrasi asam= 0,5M; Suhu 20oC c) Bentuk Mg= Batang konsentrasi asam= 0,5M; Suhu 80oC d) Bentuk Mg= serbuk; konsentrasi asam= 1M; Suhu 20oC e) Bentuk Mg= batang; konsentrasi asam= 1M; Suhu 80oC 8) Reaction rate trial data: Q + 2T → T2Q as in the table. From these data, the order [Q] and [T] are consecutively... a) 2 dan 3 b) 2 dan 2 c) 2 dan 1 d) 1 dan 3 e) 1 dan 2 9) Reaction rate data A + B → C, obtained as in the table. An incorrect statement of the data is... a) orde A = 2 dan Orde B= 1 b) nilai K= 13 x 10-3 c) Persamaan reaksi v= k [A]2[B] d) Orde total sebesar 3 e) jika k=2 serta [A] dan [B] masing-masing 1, maka nilai v = 2 10) An example of the rate of reaction in the industry is... except a) pembuatan asam sulfat menggunakan katalisator V2O5 b) Industri amonia menggunakan katalisator Al2O3 dan Fe c) produksi metanol menggunkaan ZnO/Cr2O3 d) Industri roti menggunkan enzim zimase e) Industri sabun menggunakan asam sulfat dan CaO

REACTION RATE

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