December 2023 1 3 Report
1. Jika unsur oksigen di alam terdapat dalam 160, 170, 180, dengan kelimpahannya secara berturut- turut, yaitu 99,76%, 0,04%, dan 0,20%. Hitunglah massa atom relatif oksigen!

2. Hitunglah massa molekul relatif senyawa. (NH2)4S04, jika diketahui Ar H= 1, N=14, 0=16, S=32....

3. Unsur renium (Re) mempunyai dua jenis isotop di alam, yaitu 185Re and 187Re. Kelimpahan isotop 187Re sebesar 62,65% dan massanya. 186,956 amu. Jika massa rata-rata atom Re adalah 186,207 amu, massa isotop 185 Re adalah.....

4. Suatu sampel gas 02 mengandung 1,505 x 10^23 partikel. Berapakah banyaknya mol 02 tersebut?

5. Suatu sampel logam mengandung 5 mol emas murni atau Au. Berapakah jumlah partikel dalam sampel tersebut adalah....​
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DECRIPTIVE TEXTTask 1Read and observe the texts below.Text A I have a new dog. Its name is Browney. My father bought me theree months ago. It's a male sheepdog. So it's quite big for a dog. He has brown fur. Browny is very active. He always runs around in the house. I always take him for walk in the morning. I also teach Browny several tricks. Frist, I taught him to sit. It's hard you know. Initially, I helped him to sit. Then, after a few days, Browny understood what I said. He is a smart dog. I also taught him to catch a ball. I threw a ball then asked him to bring it back for me. He is an adroit dog. He ran as fast as he can as I tossed the ball. But, instead of giving me the ball back he buried it. what a naughty dog. After several times, he understood that he must gave the ball to me not burry it.Text B My name is Ruri. I have a pet at home. It is Bebi. Bebi is a year old female rabbit. She is very cute. She has white fur. Her fur is so soft and clean. I always give her milk. She likes milk so much. Every afternoon and evening, she eats carrot. she is an active animal. She likes jumping around the house and yard. She sometimes plays with me at the front yard of my house. When she feels tired, she sleeps in the cage, I love her so much.Based on the texts above, describe Browny and Bebi by filling the table below.________BROWNY________Appearance | Characteristic | | |__________________________________BEBI__________Appearance | Characteristic | | |________________________Associating Let's say good things about your pets.Answer the following questions as guindance. Write down your answers in a good paragraph. The following questions can help you!1. Do you have a pet or favorite animal?2. What is it? Do you love it?3. What color is the animal?4. What is its food?5. Please describe more about it?6. Where do you keep it?7. How do you feel about it?MAKE YOUR GOOD PARAGRAPH ON THE BOX BELOW.________________________| || || || || || || || || | ________________________​
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