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Question- Multiply the mass of iron (II) in the cereal by (v1/10 mL). The result is the amount of iron (II) in the original cereal sample (Show the calculation below). When the cereal was cooked in HCL all of the elemental iron present was converted to iron (II) ions, so there is a 1:1 relationship between the moles of iron (II) and the elemental iron. Therefore, the mass of iron (II) is the same as the mass of the elemental iron in the original sample.
Based on the data gathered in the Rutherford's scattering experiments, the concept of atomic structure was modified. Which of the following aspects of the structure of the atom were validated by these experiments
Explain why the addition of the HCl or NaOH improves the ability of the azo dyes
What mass of carbon dioxide is produced from the complete combustion of 7.50×10^-3g of methane?
If the molar of a binary compound has a molar mas between 145 and 160 amu and contains 52.98% oxygen and the balance chhlorine what is the molecular formula
Determine a dimension characteristic of a single aluminum atom. Compare your estimate value to the tabulated atomic radius for aluminum.
Solubility constant for is 8.1E-12. When is in equilibirum with its ions in saturated solution. The concentration of silver ions.
At 340 K, Kp = 69 for the reaction H2(g) + I2(g) ->2HI(g). 50.0 g of HI is injected into an evacuated 5.00-L rigid cylinder at 340 K. What is the total pressure inside the cylinder when the system comes to equilibrium?
Compute for q for the reversible isothermal expansion at 300K of 5.0 mol of a perfect gas from 500 to 1500 cubic cm
Write an equation for any reaction that occurs after each step and calculate the concentration of Ba,CL,NO3,NH4 in the final solution assuming that all reaction go to completion
A 1.50 g sample of solid NH4NO3 was added to 35.0 mL of water in a styrofoam cup (insulated from the environment) and stirred until it dissolved. The temperature of the solution dropped form 22.7 C to 19.4 C. What is the heat of reaction for disso..
lng liquefied natural gas is essentially methane gas cooled to -160 c at which temperature it condenses to the liquid
1. my doctor only measures medicine in scruples. (old unit of mass) If he prescribed 0.382 scruples of medicine, how many milligrams should I ask for at the pharmacy? 1ounce=437.5 grains 1 scruple=20 grains 1ounce=28.35
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