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When solution of silver nitrate, AgNO3, and calcium Iodide, Cal2, are mixed, a yellow precipitation of silver iodide is formed. Calculate the mass of silver iodide that is formed in 50 mLof 1.00 M AgNO3 is combined with 30 mL of 1.25 mL CaI2.
How many grams of Ca(OH)2 are needed to neutralize 3.6 moles of HCl in 655 mL of solution? The molar mass of HCl is 36.46 g/mol. The molar mass of Ca(OH)2 is 74.1 g/mol.
Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 8.30 moles of magnesium perchlorate Mg(ClO4)2
A curved surface of a liquid which has its vapor pressure at equilibrium with the surroundings has a higher vapor pressure than a flat surface. Why
A voltaic cell has a standard cell potential equal to 0.74 V. If the standard electrode (reduction) potential for the anode is - 0.22 V, what is the standard electrode potential for the cathode
A neon sign is made of glass tubing with an inside diameter of 2.0 cm and length of 4.0 m. If the sign contains neon at a pressure of 5.5 torr at 27 degrees celcius, how many grams of neon are in the sign
If you are to construct the molecular orbital energy diagram of ScBr, do you think the energy levels will be closer to the atomic orbital energy of Sc or Br. Why.
Problem- The fact that carboxylic acids have higher boiling points than alcohols is attributable largely to which of the following? A) Low molecular weight carboxylic acid molecules are soluble in water.
If 10.10 mL of EDTA is required to titrate the 50.00-mL sample, what is the hardness of the groundwater in molarity and in parts per million of CaCO3 by mass?
A sample of calcium carbonate [CaCO3 (s)] absorbs 45.5 J of heat, upon which the temperature of the sample increases from 21.1C to 28.5C. If the specific heat of calcium carbonate is 0.82 J/g-K, what is the mass (in grams) of the sample
kilimanjaro in tanzania is the tallest peak in africa 19340 ft.. on a particular day the barometric pressure at the top
The normal freezing point of water is 0.0C. at this temperature the density of liquid water is 1.000 g/ml and the density of ice is 0.917 g/ml. The increase in enthalpy for the melting of ice at this temperature is 6010 J/mol.
Green light of a wavelength 516 nm is absorbed by an atomic gas. What is the energy difference between the two quantum states involved in the transition.
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