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The Ksp of Ca(OH)2 is 5.5x10^-5. What is the concentration of the OH^- (aq) when in a saturated solution of Ca(OH)2 (aq)?
Compute the amount of work done by the gas if all three weights were removed simultaneously during an isothermal expansion
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure.
what does the product and balanced equation of NaOH+NH4HCO3 come out to be? Also what would the product and balanced equation of CuSO4 + a nail be and NH4HCO3 + heat be
If you were extracting 4-chloroaniline and naphthalene (a mixture in ether), what reagents could you use to obtain a separation via extraction technique
306 mL of a .208 M solution of silver nitrate will react with 146mL of a .170 M solution of sodium phosphate to produce how many grams of silver phosphate precipitate?
For the reaction:2CH4(g) C2H2(g) + 3H2(g) 0.115 mole of CH4 was placed in a 1.00 L container. At equilibrium it was found that the [C2H2] = 0.035 M. What is the value of the equilibrium constant?
What volume of H2 gas (in L ), measured at 742 mmHg and 84C, is required to synthesize 25.8g of CH3OH?
How much 10.0 M HNO3 must be added to 1.00L of a buffer that is 0.0100 M acetic acid and 0.1 M sodium acetate to reduce the pH 4.70?
Which of the following is true about ionic bonds?
We need to make a 4% NaOH solution in ethanol. How much NaOH do we add to 50.0 mL of ethanol to make a 4% NaOH solution. Density of Ethanol=0.789 g/mL molar mass= 46.06844 g/mol and NaOH molar mass= 39.997 g/mol
A gas has a volume of 95 ml at a pressure of 930 torr. what volume will the gas occupy if the pressure is increased to 970 torr?
Calculate the change in internal energy of the following system: a balloon is cooled by removing 0.657 kJ of heat. It shrinks on cooling, and the atmosphere does 384J work on the balloon.
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