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Write a balanced chemical equation describing what happens when you mix solutions of sodium phosphate, Na3PO4, and calcium nitrate, Ca(NO3)2. Include the phases in your equation.
Consider another expandable balloon is filled with nitrogen gas. The density of the gas is 1.24 g/L and the outside pressure is 1.05 atm. What is the temperature of the gas?
Question- If a magnetic field strength of 4.7 T requires radio frequency of 200 MHz to achieve resonance with the nuclei (i.e. for the spin flips to occur), would a 300 MHz radio frequency NMR instrument need a magnetic field higher or lower than ..
"Crossed" or "mixed" aldol condensations are practical for synthesis, if one of the aldehydes (or ketones) has no alpha-hydrogen atoms. Explain.
a 40 gram sample of water at 25 degrees celcius absorbs 500 joules of energy. what is the final temperature of the water? the specific heat of water is 4.18 joules/g degrees C.
A sample of nitrogen has a volume of 630 mL at a temperature of 49 degC. Assuming that the pressure is constant, what will be the volume when the temperature is 348.6 degC.
Will the reaction shift towards the products or the reactants if Ag+ Ions are added to this equilibrium. CoCl4^2-(aq) + 6H2O(l) Co(H2O)6^2+(aq) + 4Cl-(aq)
Write a balance equation using the correct formulas and including conditions (s, l, g, or aq) for each of the following reactions: a) solid calcium carbonate decomposes to produce solid calcium oxide and carbon dioxide gas. b) Nitrogen oxide gas r..
You decide to put your growing knowledge of chemistry to profit by making and selling boutique soaps that are ultra mild and have an almost neutral pH. What is the pH of your best liquid soap made from a fatty acid that has a pKa value of 2.0? The..
Identify each of the following substances as an element, compound, solution, or heterogeneous mixture
What masses of sodium chloride,magnesium chloride, sodium sulfate,calcium sulfate, calcium chloride, potassium chloride, and sodium bicarbonate are needed to produce 1 L of arificial seawater
The following molecular equation represents the reaction that occurs when aqueous solutions of lead(II) nitrate and barium iodide are combined. Pb(NO3)2(aq) + BaI2(aq) PbI2(s) + Ba(NO3)2(aq)
Write out a detailed procedure for determining the enthalpy of reaction between citric acid (H3Cit) and sodiumhydroxide (NaOH). Note that the neutralization reaction is
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