What volume must 25 ml of 95% by mass of a solution H2SO4,density 1.80 g/ml, be diluted to produce 0.5 M solution? What is density of water in g ml? How do you convert 4 liters to milliliters? What is the mass of 53 mL of ethanol, which has a density of 0.79 g/mL?
i just got off the ph i just have one probl i just lonely i just love my girl i just think this is i just wanna be the o i just wanna be your i just wanna cry i just wanna live whi i just wanna stay in i just want to feel y i just wanted you to i just work here ...
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- He teaches physics in a school. A. What does your father do? B. Who is your father? C. What is your father doing? D. Where is your father now? 相关知识点: 试题来源: 解析 - I'm looking for a shirt for my father. - ___ A.What size do you wear? B.What can I do for...
The letter µ in physics: Linear density Linear density is the degree of mass per unit length. The value is especially useful for measuring the weight of objects that appear to be one-dimensional, such as threads, strings, yarn and wires. ...
In the field of physics, we often see the abbreviation E=mc². What does the "m" stand for? A. mass B. matter C. momentum D. magnetic field 相关知识点: 试题来源: 解析 A。“m”在 E=mc² 中代表质量(mass)。选项 B“matter”是物质;选项 C“momentum”是动量;选项 D“magnetic ...
第一空：mean 第二空：means
On Aug. 19, during the men's 50 m backstroke finals (仰泳决赛), Xu finally beat Irie. He was quite happy after the competition. "Four years ago. I lost to him in the same event. Today, I fought back and. won!" Xu said. Xu has a great love for swimming. It is his favorite ...
例: It is proper for us to keep the public places clean.=It is proper that we (should) keep the public places clean.我们应当保持公共场所清洁。 6. 花费 spend … on sth. / doing sth. …例: We shouldn't spend too much time on something we aren't interested in.我们不应该在我们不感...
- Our job is to diagnose him. 我们的任务是诊断出他的病因 8. She figured when she hired me she'd at least have someone you couldn't walk all over. 她雇我有一部分目的是确保手头上至少有一个能镇得住你的人 9. - You know why people are nice to other people?