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Question- Calcium oxide reacts with water to produce calcium hydroxide. A 1.50 g sample of CaO is reacted with 1.45 g of water. How many grams of water remain after the reaction is complete?
Please provide the answer of the given question on urgent basis
A voltaic cell consists of a Zn/Zn2+ half-cell and a Ni/Ni2+ half-cell at 25 . The initial concentrations of Ni2 and Zn2 are 1.80 and 0.130 , respectively.
How does the addition of aqueous NH3 to a solution separate and identify Cu2 and Bi3 ions? Why wouldn't the additon of a strong base, such as KOH, work just as well as the addition of aqueous NH3?
A 4.50 g sample of NaOH at 25°C dissolves in 75.0 mL of water also at 25.0°C. The final equilibrium temperature of the mixture is 40.5°C. What is the enthalpy of solution, ?Hs, of NaOH expressed in kilojoules per mole
a solution of .85g of a unknown organic compound in 100g ofbenzene has a freezing point of -5.16c. what is the molality
An oxide of phosphorus contains 56.4% oxygen and has a molar mass of 284 g/mol. What is the molecular formula for this compound?
The ice was poured out into another container leaving a wet, empty beaker that weighed 46.146g. How much ice was poured into the other container?
The volume of fluorine gas required to react with 2.67 g of calcium bromide to form calcium fluoride and bromine at 41 ºC and 4.31 atm is how many mL
A 125 g aluminum block at an initial temperature of 95°C is dropped into a styrofoam flask containing 150 mL of water at 20°C. What is the final temperature?
what would be the approximate freezing point of 0.1 molar aqueous solution of aluminium chloride at room temperature
A 29.0-g sample of water at 260. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Consider the following reaction at 298 K. 2 SO2(g) + O2(g) ? 2 SO3(g) An equilibrium mixture contains O2(g) and SO3(g) at partial pressures of 0.42 atm and 1.5 atm, respectively. Determine the equilibrium partial pressure of SO2 in the mixture.
Question- Explain what is accomplished by superconducting magnet, shim circuitry, Rf generator, and receiver of an NMR spectrometer
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