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1. A 3.53-gsample of aluminum completely reacts with oxygen to form 6.67gof aluminum oxide. Use this data to calculate the mass percent composition of aluminum in aluminum oxide.
2. A 1.912-g sample of calcium chloride is decomposed into its constituent elements and found to contain 0.690 gCa and 1.222 gCl.
Calculate the mass percent composition of Ca and Cl in calcium chloride.
Enter your answers numerically separated by a comma.
3. A 1.45-g sample of phosphorus burns in air and forms 2.57 g of a phosphorus oxide.
Calculate the empirical formula of the oxide.
Express your answer as a chemical formula.
4. Copper (II) fluoride contains 37.42 % F by mass.
Use this percentage to calculate the mass of fluorine in grams contained in 34.5 g of copper (II) fluoride.
Demonstrate knowledge of relevant literature by identifying key debates: concepts and theories within the topic area and how the literature will be utilised to inform your research.
The GSM network includes several subcomponents How does GSM allow multiple vendors opportunity to supply hardware that are cross functional in this network?
Identification of the hazardous material(s) involved and hazardous classification, discussion of chemical properties and interactions relevant to the incident/project, any short or long-term mitigation implemented.
Do you believe the advantages of master patient indexes outweigh disadvantages, or have medical records gone too far in documenting and sharing private information?
Based on the selections by Epstein and O'Beirne, for the next elected president to be a woman, what would you recommend for a feminist platform that would have the greatest chance of success with American voters?
During Erikson’s stage of _____________, a person is acquiring new physical and mental skills, setting goals, and enjoying newfound talents, but must learn to control impulses.
write a 1750- to 2100-word paper about community emergency preparedness and response.include the following in the paper
What constitutes effective nonverbal behavior? Ineffective behavior? What non-verbal cues make you feel understood? Misunderstood?
Human reasoning tends to use a mixture of both. All sound arguments are valid, but not all valid arguments are sound. One way to make an inductive argument stronger is to. Deductive arguments should never be characterized as
What must the department or agency do to limit liability in the event of injury or death resulting from a police pursuit-related collision? What actions are necessary for establishing a pursuit training program? Who are the stakeholders for such a..
Based upon the details in the WBS and the project case, determine which tasks need to be completed first and which tasks are dependent upon other tasks to be completed prior to starting. Using this information identify predecessors in your project..
Examine the table showing the "Warning Letters Search Results". What are the different centers (3) in the FDA that that issue GLP warning letters?
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