Chemistry, 01.04.2021 22:40 mollywolly99
An irregularly-shaped sample of aluminum (Al) is put on a balance and found to have a mass of 65.5 g. The student decides to use the water-displacement method to find the volume. The initial volume reading is 50.6 mL and, after the Al sample is added, the water level has risen to 68.5 mL. a. Based on the problem above, write the known and the unknown quantities, respectively. b. What is the volume of aluminum (Al)?c. Find the density of the Al sample in g/cm3.
Answers: 2
Chemistry, 22.06.2019 05:30
Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
Answers: 2
Chemistry, 23.06.2019 00:30
Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction
Answers: 3
Chemistry, 23.06.2019 05:10
Will mark as brainliest ! how many grams of iron metal do you expect to be produced when 245 grams of an 80.5 percent by mass iron (ii) nitrate solution react with excess aluminum metal? show all work needed to solve this problem!
Answers: 1
An irregularly-shaped sample of aluminum (Al) is put on a balance and found to have a mass of 65.5 g...
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