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To be honest, I hate being stressed, because my body gets very sensitive to stress. My stomach gets cramps, and my face gets blushing. I often reduce stress through facing it directly. In most cases, we feel stressed when we regard something as important and we are afraid of the possibly negative result. For example, my boss assigns me challenging tasks that I am uncertain to complete them perfectly. I think the best way to get it through is to face it, no matter whether the result is good or not, there is an end. I can at least feel relieved from learning and improvement. But there are also other ways when we have options. For example, there is a stressing job pays you more and a easy job pays you less, you can choose a easy life if you already have enough life support. It is not always good to push yourself to embrace stress. I think proper stress may enhance your performance or bring out your potential, but living with strong stress for a long time can hurt your health somehow.
June 26, 2024
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A teacher wanted to order scales which can show mass and weight at the same time. The vendor brought one and asked me to confirm. Considering the volume and the fact that never used one in the past, I asked him to return the stuff and said we don't need it, saving space and money. A teacher asked for Malonic acid to do an "Iodine clock" experiment, but we didn't have Malonic acid. I've found another method with vitamin C. A teacher wanted to do a practical, but she said a beaker won't work, because it has a spout. She asked for something which those top is flat. We got some glasses. But they are not enough. I tried the practical with a beaker and it worked because fires require at least 16 percent oxygen content to burn. A teacher asked for Inoculating Loops to do flame tests. I suggested her to use wooden splints, then we don't need to buy Inoculating Loops. A teach said the silver nitrate solution that we have was not concentrated enough (only 0.1 mol/l), I evaporated it, then it worked. A student asked for 5.0 M copper(II) sulfate, that means dissolving 125 g of CuSO4. 5H2O in 100cm3 of water. At room tem­per­a­ture (25 °С, 77 °F), the sol­u­bil­i­ty of cop­per(II) sul­fate pen­tahy­drate in wa­ter is only 35 g/100 g of wa­ter. I talked with the teacher, she suggested the student to reduce the concentration.
June 26, 2024
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