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Determine the empirical and molecular formula for chrysotile asbestos. Chrysotile has the following percent composition: 28.03% Mg, 21.60% Si, 1.16% H, and 49.21% O. The molar mass for chrysotile is 520.8 g/mol
Complete and balance the following acid-base equations:
These are two different questions..please show work
finds the antilog ratio of acid and base and determines that for every 1ml of acid she needs 2.29 ml of acid. what is the final concentration in molarity of the sodium acetate and the acetic acid?
In which case is a process spontaneous at any temperature? delta H : Negative delta s : Positive 6. For the reaction: C3H8(g) + 5O2(g) ->3CO2(g) +4H2O(l) Calculate the delta G at 298K given the delta G, KJ/mol of C3H8(g)=-23.47; O2=0; CO2=-394.4; ..
Ascorbic acid, HC6H7O3, also known as vitamin C, is a weak acid. It is an essential vitamin and an antioxidant. A solution of ascorbic acid is prepared by dissolving 2.00 grams in enough water to make 100.0 mL of solution
A graduated cylinder contains 148 of water. A 17.0 piece of iron (density = 7.86 ) and a 19.0 piece of lead are added. What is the new water level in the cylinder?
The formula for isopropyl alcohol is C3H8O. The product of the oxidation of isopropyl alcohol is C3H6O. State a balanced equation for the oxidation of isopropyl alcohol by dichromate ion in acidic solution.
Explain what is the Fe2+: Sn2+ concentration ratio in the subsequent cell at 25 degrees C if the measured cell potential is 0.35 V
What is the ratio of the rate constants for this reaction when the temperature is decreased from °C to °C?
What other substance(s) found in chocolate bear(s) a strong structural resemblance to caffeine? Draw the structures of these substances and point out the similarities.
Explain why neither triphenylmethanol, (C6H5)3COH, nor benzophenone, C6H5COCH5, was produced in the reaction between C6H5MgBr and CO2
The van't Hoff factor for KCl is = 1.85. What is the boiling point of a 0.90 solution of KCl in water. For water, = 0.51.
NaOH + CO2 -→ Na2CO3 + H2O . If the average human body discharges 536 g of CO2 per day, how much NaOH is needed each day for each person in the spacecraft?
What is the density of glass in g/cm3 if a sample weighing 27.78g has a volume of 11.36cm3
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