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Define milk of Magnesia is a suspension of magnesium hydroxide in water. A common medicine, it is frequently used as an antacid for the reason that it neutralizes hydrochloric acid in the stomach:
Mg(OH)2(s) + 2 HCl(aq) ? Mg2+(aq) + 2 H2O(l)
Compute the mass of HCl that is neutralized by 1 g of Mg(OH)2(s).
What NaCl concentration results when 234 mL of an 0.640 M NaCl solution is mised with 6.52 mL of a 0.450 M NaCl solution
a natural hormone of moths has a molecular formula of C21H40(its a zero not an o) and yields the following three compounds on ozonolysis; (1) dodecanol
Borane forms complexes with sulfides and amines. Draw a suitable structure to represent the complex formed between BH3 and dimethyl sulfide
Classify each of the following as a pure substance, heterogeneous mixture, solution, or colloid. gravy, vinegar, ether, beef stew, seltzer water, salad, sodium carbonate
A sample of pure oxygen gas has a pressure of 795 torr. What is the pressure of the oxygen in units of atmospheres. A) 0.795 atm B) 1.05 atm C) 0.604 atm D) 0.760 atm E) 1.01 atm
Consider the dissolving of ammonium nitrate, NH4NO3 (s), for which ?H° = +25.3 kJ/mol. If 133 grams ofammonium nitrate are dissolved in 367 grams of water, and the initial temperature is 25.0°C, what will be the final temperature of the system
Calculate the wavelength of light necessary to provide photons of this energy? C) Explain why this film can be handled in a darkroom under red light.
Chlorine-36 is a B emitter, with a half-life of 3.0 x 10^5 years. There are 8.4 x 10^8 B particles emitted in 1.9min from a 6.0 mg sample of Cl-36. How many curies of radiation does the 6.0 mg sample represent
Phosphate systems form essential buffers in organisms. Calculate the pH of a buffer made by dissolving 0.80mol of NaOH in 0.50L of 1.0M H3PO4.
The first step in industrial nitric acid production is the catalyzed oxidation of ammonia. Without a catalyst, a different reaction predominates: 4NH3(g) + 3O2(g) ? 2N2(g) + 6H2O(g) When 0.0280 mol gaseous NH3 and 0.0250 mol gaseous O2 are placed ..
nitrogen has a henrys law constant of 8.42x10-7 mmmhg at 25degreesc when dissolving in water. if the total pressure of
What volume of 0.25 M HNO3 (aq) reacts with 4.8 ml of 0.150 M Na2CO3 (aq) when the two solutions are mixed?please show work step by step.
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