Describe/relate the size of the mole to an everyday object. 2. What is Avogadro’s Number? 3. How many marbles are in a mole of marbles? 4. How many mosquitoes are in a mole of mosquitoes? WS 3.2 Molar Mass Find the molar mass of the following compounds: Show work and include units 1. CO2 2. 3. 4. 5. Fe2O3 6. 7. 8. 9. AgCl 10. 11. 12. 13. Ca3(PO4)2 14. 15. 16. 17. W3(PO3)5 18. 19. 20. 21. Fe(C2H3O2)2 22. 23. 24. 25. Calcium Carbonate 26. 27. 28. 29. Lead IV Sulfate
Premium Oxygen Carbon dioxide Mole
CONVERSIONS – MORE PRACTICE 1. How many moles does 80.0 grams of H2O represent? 2. How many moles does 45.0 grams of C6H12O6 represent? 3. How many moles does 22.0 grams of CO2 represent? 4. How many moles does 56.0 grams of N2 represent? 5. What is the mass of 2.0 moles of LiOH ? 6. What is the mass of 5.0 moles of Ba(CN)2 ? 7. What is the mass of 3.5 moles of water? 8. What is the mass of 0.75 moles of CuSO4 ? 9. How many atoms does 2.0 moles of He represent? 10. How many sodium ions are in 3.0
Premium Oxygen Mole Carbon dioxide
that will be assigned to each students as per their roll nos 1. General motor 33.Ashok Leyland ltd 2. Apple 34.Asian Paints ltd 3. Procter and gamble 35. ITC Ltd 4. Johnson and Johnson 36.Marico industries ltd 5. Krafts foods 37 Infosys technologies ltd 6. Indian oil corporation 38 Titan Industries Ltd 7. Reliance Petroleum
Premium Strategic management Tech Mahindra BSE Sensex
Introduction Gram staining was developed by Christian Gram in the 1800’s‚ a Danish bacteriologist. (Smith and Hussey‚ 2005) It was the first differential staining technique and most common used in microbiology. Furthermore‚ bacteria are transparent and cannot be seen through the microscope. For that reason‚ Gram staining is an important tool for distinguishing between two main types of bacteria Gram-positive and Gram-negative. The Gram stain differentiates the Gram positive and gram-negative on the
Premium Bacteria Microbiology Escherichia coli
writers explore both the social roles that confine them and the bodies that represent the confinement". In light of this quotation‚ compare how the writers explore gender. ’Wide Sargasso Sea’‚ by Jean Rhys‚ and ’Sula’ by Toni Morrison are both novels that respond to the issues of women that are confined to their social roles. Grace Nichols’ book‚ ’The Fat Black Woman’s Poems’‚ supports and also contrasts the views of both Rhys and Morrison. All three texts question gender roles and oppression in
Premium Black people Gender role Role
Structures and the Gram Stain Purpose: The purpose of this lab is to familiarize the student with the use of a compound microscope and the Gram Stain test. Students will review a brief video and slides to introduce the compound microscope. Students will also view a video about the Gram Stain procedure and then answer questions related to it. Hypothesis If I look at the slides I will see where the cell wall is and what lies inside it and in the Gram Stain if I watch the video I will learn how to differentiate
Premium Gram staining Bacteria Cell
Investigation: 20 How much cobalt is in the soil? Introduction: By completion of investigation 20‚ a standard curve of absorbance versus known cobalt (II) nitrate was prepared. The concentration of cobalt (II) ion obtained from a soil sample was determined. Whether or not cobalt nitrate should be added to the soil was determined. If cobalt nitrate needs to be added‚ then how much will it be required to meet the necessary nutritional needs of the animals was established. In colorimetry
Premium Electromagnetic radiation Absorbance Light
“How many miles to Babylon?” Alec Moore - Narrator Frederick Moore - Father to Alec Mrs. Moore - Mother to Alec Jerry Crowe - Friend to Alec Mrs. Crowe - Mother to Jerry Major Glendinning - Commending Officer to Jerry and Alec in the army. General Points - § Main Theme: Love vs. Hatred § Reflects different stages of Narrator Development - There’s a continuous stream of consciousness‚ no chapters § Ireland § France § Love - of country - passionless love of duty - of power and wealth
Premium Upper class Social class Love
the journey? The novel how many miles to Babylon by Jennifer Johnson highlights Alec Moore’s tragic journey. We see his journey true childhood to adulthood. Interestingly‚ the novel begins at the end of Alec’s journey as he waits execution “because I am no officer & a gentlemen they have given me my notebook‚ ink‚ pen‚ paper” and comes full circle. Immediately we wonder how Alec someone so high up in the war is being executed‚ then as we read on we begin to realise how his journey through life
Premium American film actors Life Year of birth missing
Egil M 18.12 1 How Many Moles in my Name? Purpose The purpose of this experiment is to see how many moles there are in my name when writing with a chalk stick. I will attempt to see how little of the chalk I can use and still see my name clearly. Research question How do we calculate moles? How might we manipulate the variables? Theory So if I am going to find out how many moles there are in my name I have to know how to work it out. The «Mole» is a unit of measurement‚ just like a dozen or
Premium Mass Writing