Explain why the calcium hydroxide is not soluble in water
Explain why the calcium hydroxide is not soluble in water, but is readily soluble in an acidic solution and also include a chemical equation that accounts for this solubility.
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Assume your laboratory instructor in advertently gave you a sample of KHP contaminated with NaCl to standardize your NaOH. Explain how would this affect the molarity you measured for your NaOH solution?
A circular hole of 1.25 cm in diameter is cut in the side of a large water tank, 20.0 m beneath the water level in the tank. The top is open to the air. Compute: i) The speed of efflux. ii) The volume flow rate.
Determine the molar mass (in grams/mol) of the unknown gas. An effusion container is filled with 7 L of an unknown gas, and it takes 90 s for the gas to effuse into a vacuum.
Ralph's Gas Station is running the giveaway promotion. With every fill-up of gasoline, Ralph gives out the lottery ticket which has 25% of chance of being a winning ticket. Customers who gather four winning lottery tickets are eligible for "BIG SP
The two bodies are now released. Explain the motion of the center of mass and find out its acceleration.
Find out the functions of NADH and ATP in the cells? Determine the numbers of ATP and NADH can baker yeast form from each mole of glucose through the glycolysis pathway (glucose to ethanol) with and without the TPI enzyme?
What is the molar heat of combustion of caffeine (in kJ) when a 1.09-g sample of caffeine C8H10N4O2 burns in a constant-volume calorimeter that has a heat capacity of 7.85kJ/K. The temperature increases from the 296.25 K to 301.36 K.
If the trainers think, realistically, that 20 people will attend, then what price must be charged per person for organization to break even?
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