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The nucleus X in which A= 200 emits alpha particles of kinetic energy 5.000 MeV. Calculate (a) the velocity of the alpha particles in cm/ns, (b) the kinetic energy of the recoil nucleus in MeV, and (c) the Q value of the alpha emission in MeV. Neglect Relativity.
A .sodium iodate and calcium nitrate B. sodium nitrate and potassium hydroxide C. sodium iodate and iron (III) chloride D. sodium iodate and potassium hydroxide.
What is the molar solubility of magnesium carbonate ( MgCO3 ) in water? The solubility-product constant for MgCO3 is 3.5 × 10-8 at 25°C.
What is the [H3O+] of a solution that is 0.0100 M in HOCl
determined for MgO to be the same as the one determined by another student
A sample of steam with a mass of 0.550grams and at a temperature of 100 degrees celcius condenses into an insulated container holding 4.30grams of water at 6.0 celcius
A doctor prescribes 3 g of a drug, daily, for a patient. The pharmacist has only 750-mg tablets available. How many tablets will the patient take daily
Calculate Delta mixG, Delta mixS, and Delta mixH for mixing 150.0 g of benzene with 200.0 g of toluene at 20 degree C and 1 atm.
A buffer solution is prepared by mixing 0.500 L of 1.50 M HF and 0.400 L of 0.95M KF. What is the pH of this buffer? [Ka(HF) = 6.30 × 10-4]
Calculate the pH of a buffer made by mixing 50.0mL of 0.10M acetic acid (HC2H3O2) with 50.0mL of 0.10M sodium acetate (NaC2H3O2)
What would be the initial rate of formation of I3 (in units of M/s) when the following initial concentrations were used
twenty grams of a solute are added to 100g of water at 25c. the vapor pressure of pure water is 23.76 mmhg the vapor
If a 10.00mL sample of unknown concentration of HF is titrated with 28.94mL of 0.1040M NaOH
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