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Explain the process of reduction when referring to metals within the earth.
It is possible to have glass and asbestos with identical composition (e.g. Na2Si03), and yet one is considered hazardous and the other is not. Why?
A 1.80 M solution of 56 ml is diluted to a volume of 218 milliliters a portion of that solution of 109 milliliters is diluted using 149 milliliters of H2O. determine the final concentration of this solution
What is the volume occupied by 25.0 gm of Ar (g) at a temperature of 301K and pressure of 1.30atm.
The solution density = 1.013 g/mL and suppose that the density of pure water =1.00 g/mL. Determine the molality of this solution?
Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
Calculate the molar mass of the compound if given that normal freezing point of C6H6 = 5.5 oC , the freezing point depression constant for C 6 H 6 = -5.12 o C/m .
Determination of the partial pressures of the gases - Find the partial pressure of each of these gases in the final product mixture.
Determine which structure do you expect to contribute the most to the actual structure of BrO 4 - keep in mind to take in expanded octets, as suitable?
Using a liquid sample of Na that has a molar heat of fusion of 2.06 kj/mol calculate the number of moles in a liquid sample of Na if sample releases 41.4 kj when it freezes?
N and H undergo a combination reaction under appropriate conditions, to yield ammonia: N2 (g) +3H2 (g) →2NH3 (g), determine how much sample of N2 in grams requires 3.0 g of H2 for complete reaction.
how many cans of Mountain Lightning would an individual have to drink to die from a tartrazine overdose If the LD50 of tartrazine in humans is supposed to be 12,750 mg/kg (as it is for mice) and the average human weighs 70 kilograms,?
Complexometric titration and stoichiometry - How many grams of chloride ion were present in sample
A calorimeter temperature increased by 0.45 0C after adding 30 joule OF ENERGY TO IT BY ELECTRICAL HEATING and the temperature increased by 7.3 0C when 0.10 grams of HCl is neutralize in the same calorimeter now determine the specific heat of neut..
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