Based on the given data, what is the Amax of cobalt? 0.1M Cobalt 300 0.451 325 0.467 350 0.584 375 0.629 0.694 0.673 400 425 450 0.541 475 0.433 500 0.423 525 0.327 550 0.264 575 0.245 600 0.233 625 0.211 650 0.189 675 0.187 700 0.165
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- Spotify Web Playe.. M Common Ethical D... O CHEMICAL REACTIONS Using the Avogadro Number 22 A penny has a mass of 2.50 g and the Moon has a mass of 7.35 × 10*“ kg. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of pennies? Ox10 How many moles of pennies have a mass equal to the mass of the Moon? Explanation Check O 2022 McGraw Hill LLC. AlI Rights ReHow many kg is 99 pounds? A 45B 9.9C 199D 217.8 Answer is A. 45? Can you help me to explain to me step by step, pleaseQUESTION 2 Based on the given data, what is the Amax of copper? 0.1 M Copper 300 0.157 325 0.233 350 0.465 375 0.575 400 0.622 425 0.708 450 0.864 475 0.897 500 0.876 525 0.769 550 0.687 575 0.603 600 0.499 625 0.363 650 0.327 675 0.228 700 0.184
- O STOICHIOMETRY Using the Avogadro Number A penny has a mass of 2.50 g and the Moon has a mass of 7.35 x 10“ kg. 22 Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of pennies? Round your answer to 3 significant digits. How many moles of pennies have a mass equal to the mass of the Moon? Round your answer to 3 significant digits. Explanation Check © 2021 McGraw-Hill Education. All Riahts Reserved. To átvSTPKsYapxmOBQpqJ9sYHEQf udwLFoPO2ojmMGw/edit s Help Last edit was seconds ago B U A G O O- E E E E E E - E - E E 14.5 3 4 5 6 You are asked to perform an experiment to determine the density of square block below. In order to complete your calculations you will need to (AKS 1b, DOK1). Question options: 1. Use the electronic balance to determine the mass of the block. 2. Use water displacement to determine the volume of the block. bD 1. Use the electronic balance to determine mass. 2. Use ruler to measure the length, width, and height to determine volume. C= 1. Use a pipet to determine the mass of the block. 2. Use water displacement to determine to volume of the block. Pr Au 立afari File Edit View History Bookmarks Window Help www-awn.aleks.com alex Yahoo Search Results Yahoo Search Results ALEKS O STOICHIOMETRY Using the Avogad ro Number -23 g and a small airplane has a mass of 5000. kg. An aluminum atom has a mass of 4.48 x 10 Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of aluminum atoms? x10 ? X How many moles of aluminum atoms have a mass equal to the mass of a small airplane? Expation Check 2019 McGraw- 80 AUG 19 II
- History Bookmarks Profiles Tab Window Help ne File Edit View History Bookmarks Σ Significant Figures X Evolution of the Ge X tion Form M Gmail esc M Mathway | Algebra XA ALEKS-Lara Altha X www-awu.aleks.com/alekscgi/x/isl.exe/10_u-IgNsikr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInbC7sevgWyhvv-rexJvhKzol7un38271gTBcKRc47m... YouTube Maps OKINETICS AND EQUILIBRIUM Using Le Chatelier's Principle to predict the result of changing... Acetylene and oxygen react to form carbon dioxide and water, like this: 2C₂H₂(g) +50₂(g) → 4CO₂(g)+2H₂O(g) perturbation Some H₂O is removed. Some O₂ is added. Explanation Q A Suppose a mixture of C₂H₂, O₂, CO₂ and H₂O has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table. below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left. 17,894 Z Lo b 2 Check Bb Department of Che X W G hess law organic c... S The pressure of C₂H₂ will ?…67. Correct any answers that have the incorrect number ofsignificant figures.(a) (78.56 - 9.44) * 45.6 = 3152(b) (8.9 * 105 , 2.348 * 102 ) + 121 = 3.9 * 103 (c) (45.8 , 3.2) - 12.3 = 2(d) (4.5 * 103 - 1.53 * 103 ) , 34.5 = 86I have the chem 101 app and the question is: An atom of a particular element has a volume of 7.8 times 10-31m3. What is this volume in Cubic nanometers?