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1. chloride ions + silver nitrate
2. hydrogen carbonate + nitric acid
3. barium chloride + sulfate ions (aq)
4. nitric acid + ammonium molybdate + phosphate (aq)
If an increase in global temperatures were to cause a melting of the polar ice gaps, which of the following best describes the effect this will have on global warming
describe the components and internal systems that enable the dental porcelain furnace to operate successfully.discuss
Assuming a linear response between current and concentration, calculate the concentration of Pb(II) in the sample by (a) neglecting the information provided by the internal standard
Problem- A solution is made by dissolving 15.0g of HNO3 in 700.0mL of water. Calculate the pH of the solution. If 0.0300g NaOH is added to 250mL of this HNO3 solution, what will the pH be after mixing the 250mL of HNO3 and the solid NaOH together?
laser beam to read the digital video data off a DVD disk. What is the frequency of this red colored visible light?
Determine How many mg of a 298 mg sample remains unreacted after twenty three days if 32P decompose by a first-order mechanism, half-life = 14.3 days.
A room temperature aqueous solution is 0.10 M in zinc acetate, 0.50 M in strontium acetate and 15.2 M in nickel (II) acetate. At what concentration of carbonate
The thermochemical equation for the formation of ammonia from elemental nitrogen and hydrogen is as follows: N2(g)+3H2(g)--> 2NH3 (g) ΔH= -92.2kj
A weather balloon is filled to 125 L when the atmosphereic pressure is 748 mm Hg and the air temperature is 28 degrees celcius. It rises to where the atmospheric pressure is 787mm Hg and the temperature
Calculate amount of Energy released in formation of one mole of BaO (Not Lattice energy). The radius of barium ion is 1.35 A and Radius of oxide ion
A hydrocarbon gas contains 81.71% carbon and 18.29% hydrogen, by mass. At STP. 4.20 L of the gas has a mass of 8.27 g. What is the molecular formula for the compound
What is the concentration of the sodium ion (in M) in a solution of 0.695 M sodium phosphate
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