What is higher secondary and senior secondary? - Answers
2025年2月28日 · Higher secondary refers to education levels typically for students aged 16-18, encompassing grades 11 and 12. Senior secondary refers to the final two years of high school, preparing students for ...
How do you prepare phosphate buffer solution of pH 6.8?
2024年6月12日 · Phosphate buffer pH 6.8 preparation protocol below Stock solutions: 0.2M dibasic sodium phosphate (1 liter) Na2HPO4*12H2O (MW=358.14) -----71.64gm + dH2O to make 1 liter (Solution X) 0.2M ...
Boys size 18 pants equals what mens size? - Answers
2024年10月4日 · Boys size 18 pants are equivalent to a men's small or extra small, depending on the brand. So, like, if you're a grown man wearing size 18 pants, maybe it's time to reevaluate your wardrobe ...
How many moles in 3.25 x 1020 atoms lead? - Answers
2024年5月27日 · To determine the number of moles, divide the number of atoms by Avogadro's number (6.022 x 10^23). So, 3.25 x 10^20 atoms of lead would be approximately 0.54 moles.
How old are the real horrid Henry characters? - Answers
2025年1月28日 · Henry-11 Peter-7 Mum-32 Dad-34 Cousin Polly-24 Pimpy Paul-33 Great-Aunt Greta-70 Aunt Ruby-35 Steve-13 Nick-11 Miss Oddbodd-44 Miss battleaxe-56 Soggy Sid-32 Miss lovely-28 Magaret-11 Susan-11 ...
What is this electron configuration 1s22s22p63s23p64s23d104p6 …
2024年5月23日 · Phosphorus To determine an element from its electron configuration, simply add up the superscript numbers (those are the numbers of electrons in each sublevel): 1s22s22p63s23p3: 2+2+6+2+3=15, and ...
Why does a sheep scratch himself? - Answers
2025年2月19日 · What year of Chinese zodiac for sign of sheep? According to the Chinese Zodiac the years of the Sheep are: 1907: Fire Sheep 1919: Earth Sheep 1931: Metal Sheep 1943: Water Sheep 1955: Wood Sheep ...
How many molecules of ethane are present in 0.334g of C2 H6?
2024年6月14日 · Number of molecules n = 0.334 x (1 mole / 30.0698 g) x (6.022x1023 molecules / 1 mole) n = 6.689x1021 molecules FINAL Answer: The are 6.689x1021 molecules in 0.334g of Ethane Tags Elements and ...
Is there a full list of wasgij jigsaw puzzles? - Answers
2023年10月4日 · This is my most complete list (as of October 2011):Wasgij Original puzzles (1000 pieces):1 - Sunday Driver (also in 500 pieces)2 - Happy Holidays (also in 500 pieces)3 - Full Monty (also in 500 ...
How big is 30 mm in inches? - Answers
2023年8月10日 · 30mm is 1.1811 inches.Direct Conversion Formula 30 mm*1 in25.4 mm=1.181102362 inThere are 2.54 centimeters in an inch and 10 mm in a cm. That gives you 1.1811 inches.