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1. At 733 mmHg and 114.8oF, calculate the density of HBr gas. Complete solution
Au – 198 is used in the diagnosis of liver problem. The half- life of Au -198 is 2.69 days.
If you begin with 2.8 µg of this gold isotope, what mass remains in 10.8 days?
An aliquot of 10 mL from a 12-mol/L aqueous silver solution was transferred into a 100-mL volumetric flask and diluted with water up to the mark. A 10-mL aliquot of the diluted silver solution was transferred into another 100-mL volumetric flask and diluted with water up to the mark. What is the concentration of the final dilution?
is defined as the mass of a sample of that compound divided by the amount of substance in that sample
how many moles of oxygen atoms are contained in 45.9 mol co2
HOW MANY GRAMS SiO2 IS REQUIRED TO PRODUCE 73.8G OF SiC ?
The density of concentrated ammonia, which is 28.0% w/w NH3, is 0.899 g/mL. What volume of this reagent should be diluted to 1.0 × 103 mL to make a solution that is 0.036 M in NH3?
A container holds 5grams of ccl4 vapour, calculate the volume of ccl4 present
1. What is the difference between tap water and distilled water?
2. Which is effective in removing oily stains in tap water and distilled water? Is it soap or detergent?
3. How does the hardness of water affect the cleaning performance of soap and detergent?
4.How do builders help in the cleaning process?
how would you relate alchemy to synthesis of new elements?
