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Problem- Let's explores the scientific method. Here is the situation- We are planting a garden. We have a variety of bulbs and potted plants. We do not have any directions on how or when to plant each of these items. We do not have any gardening books, magazines, or access to the Internet (Oh, the horror!). We need to observe a number of characteristics for these plants.
What are some of the characteristics that we want to observe? What might be your initial hypothesis? How would you set up an experiment to test your hypothesis?
Explain the each and every step in detail for help
Iodine-131 is a radioactive isotope. After 5.00 days, 65.0% of a sample of 131I remains. What is the half-life of 131I? please show all details on how you got the answer im really trying to understand this
Compute the total translational kinetic energy of the air molecules in a spherical balloon of radius 43.0 cm at 24oC and 1.2 atm. Is this enough energy to heat 200mL of water from 20oC to 90oC for a cup of tea
If each of the following gas samples have the same temperature and pressure, which sample has the greatest volume? A) 1 gram of O2 B) 1 gram of Ar C) 1 gram of H2 D) all have the same volume E) not enough information
what is the phase of matter of the solute and solvent of sterling silver?
Dental amalgam, a solid solution of silver and tin in mercury, is used for filling tooth cavities. Two of the reduction half-reactions that the filling can undergo are
our sun is made up of several elements mostly hydrogen and helium but there are significant amounts of metallic ions in
the following standard gibbs energy of formation values in kJ/mol: CH4, 50.7; H2O, -228.6; CO2, -394.4 calculate the standard free energy change for the combustion of CH4
The final temperature of the water in the calorimeter was 24.2 deg C. What is the heat capacity of the calorimeter?
What is the rate law for step 2 of this reaction? Express your answer in standard MasteringChemistry notation. For example, if the rate law is type k*[A]*[C]^3.
The pH of an acid solution is 5.12. Compute the Ka for the monoprotic acid. The initial acid concentration is 0.010 M
Draw a mixer with three streams. write the mass balance for the unit. Assume three different components
You have a 1 g/L solution of soil organic matter. The amount of fulvic acid is 2 times the amount of humic acid. You add 2 mM Cu to a final [Cu] =0.8 mM. Experiment at pH 6.5. Equation Cu2+ + 2HLi = CuLi2 + 2H+. Li = [FA]+[HA].
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