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1. Identify the first 36 elements in the periodic table and understand how their atomic structure affects their physical properties
2.Understand and explore by practical investigations the differences between elements, compounds, mixtures and ions and perform chemical calculations You can:
3. Explain how the atomic structure of the first 36 elements affects their properties.
4. Describe the electronic arrangement in shells and sub-shells using spd notation.
5. Identify the differences between elements, compounds, mixtures and ions.
6. Write the correct formulae for binary compounds of elements and use them to calculate the number of atoms involves in more than one molecule of a compound.
coal can be used to generate hydrogen gas a potential fuel by the following endothermic reaction.cs h2og lt gt cog
A 1.50L sample of neon gas at 1.10 atm and 25 degrees celsius is heated to 45 degrees celsius. The neon gas is then subjected to a pressure of 1.50 atm. Determine the new volume of the neon gas.
Calculate the molality of a 20.0 per cent by weight aqueous solution of NH4Cl. (Molecular weight: NH4Cl = 53.5) (b) If this NH4Cl solution is assumed to be ideal and is completely dissociated into ions, calculate the vapor pressure of this solutio..
Use Table 6.3 or Appendix B to write balanced formation equations at standard conditions for each of the following compounds. (Type your answer using the format O3 for O3. Write all coefficients, even if they are fractions or 1.)
Which of the following combination of dispersed phase in a dispersion medium with the colloid type is INCORRECT. A) Solid in liquid is a sol. B) Solid in solid is a solid sol. C) Solid in gas is an aerosol. D) Liquid in solid is a solid foam. E) L..
The mass of an ice cube is 18.7 g, and its initial tempature is -14.4 degree C. The water resulting from the melted ice reaches the tempature of your skin,
Determine the boiling point of an aqueous solution that is 2.30 m ethylene glycol (C2H6O2); Kb for water is 0.52 degrees celsius/m.
What is the result of the following subtraction expressed with the correct number of significant figures: 20.15 ? 10.569
Calculate the total degrees of freedom over the entire process. Next, calculate the degrees of freedom around each unit operation. Label all calculations.
12 grams of hydrogen is combined with 104 grams of oxygen as an explosive reaction that forms water as its sole
Determine the heats of formation or the steric energies of the exo-and endo-anhydride adducts using a molecular mechanics program. What do these energies tell you about the mechanism of the reaction
A block of copper, mass at 500 grams and initially at T = 293 K is in thermal contact with an electric heater at a resistance 1.00 kiloOhms and negligible mass. A current of 1.00 A is passed for 15.0 seconds. How do you calculate the change in ent..
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