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What weight of BaCl, 2H,0 (fw 244.25) is needed to react with 0.1503 g of: AgNO, (fw 169.9 g)? (AgCl, FW- 143.32) What is the weight of the resulting precipitate?
A microwave oven operates at 2.40 . What is the wavelength of the radiation produced by this appliance?
Why is whooping cough considered an emerging infectious disease in California? Which stage of Pertusis is infectious?
Predict what you would expect to observe when each of the following substances is mixed with NaI/acetone. Would you expect a difference in their relative rates of reaction? Explain.
Find out which of the following functions are Eigen functions of the inversion operator i which has the effect of making the replacement x -> - x)
The densities of Zn, Cr and Fe are 7.89, 7.20, 7.86 g/cm3 respectively. When a 96.7 gram sample of an unkown metal is placed in a graduated cylinder containing 20.0 mL water, the water level rises to 32.3 mL. What is this metal?
when solutions containing 1.00 g ofbacl2 and 1.00 g ofna2so4 were mixed solid baso4 formed. the baso4 precipitate
A solution composed of 20.00 g C2H5OH in 60.00 g CCl4 has a density of 1.280 g/mL. Calculate the molarity of C2H5OH in the solution.
in a certain experiment 4.90 g of nh3 reacts with 7.55 g of o2. with4 nh3 g 5 o2g -gt 4nog 6 h2o ghow many grams of no
A mixture of Na2CO3 and NaHCO3 has a mass of 81.1g. it is dissolved in 1.00L of water and the pH is found to be 9.92. what is the mass NaHCO3 in the mixture
Steam distillation may be used to separate a mixture of p-nitrophenol and o-nitrophenol.
radioactive isotope x has been found in rock units s and q. isotope x breaks down into isotope z with a half life of
write the name and the structural formula of the organic product that would result from the reaction below. dont forget
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