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Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the following reaction: ?H3PO4 + ?Mg(OH)2->?Mg3(PO4)2 + ?H2O
Balance the equation, then enter the coefficients, in order, in the answer box.Enter four integers separated by commas.
Calculate the atom economy for each method for preparing 2,3-dibromo-3-phenylpropanioc acid.
At 25 degrees celcius a sample of NH3 effuses at a rate of .050 mole per minute. Under the same conditions, which gas effuses at approximately one-half that rate?
The temperature is held at 271 K. Calculate the work done by the gas(in joules). to give the appropriate sign
Express you answer as a chemical equation. Identify all of the phases in your answer.
A green leaf has a surface area of 2.00 cm^2. If solar radiation is 1030 W/m^2, how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.
Will a precipitate of Mg(OH)2 form when 25 mL of 0.010 M NaOH is combined with 75 mL of a 0.10M Solution of magnesium chloride
25.0ml of a 4.21M HCL solution at 25.2C and 50.0ml of a 2.2M NaOH solution at 25.2C are reacted together to give a temperature of 44.1C.
At 25 c the ion product of water, Kw is 1.9 x 10^-14. What is the concentration of hydroxide ions in a solution where the concentration of hydrogen is found to be 5.0 x 10^-15 mol dm^-3.
A 1.30 g sample of dry ice is added to a 745 mL flask containing nitrogen gas at a temperature of 25.0 degrees Celcius and a pressure of 715 mmHg.
Consider that sodium hydroxide is added to acetic acid (CH3COOH). What is the direction of equilibrium and by how much. Pka of Sodium Hydroxide
A dry-cleaning solvent (molecular weight = 146.99 g/mol) that contains C, H, and Cl is suspected to be a cancer-causing agent. When a 0.299 g sample was studied by combustion analysis, 0.537 g of CO2 and 0.0727 g of H2O formed.
Calculate w (in kJ) when 390 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 426 K.
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