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What is the molarity of a solution that was prepared by adding 100ml of 0.225M KBr solution to 500ml of water?
What is the maximum mass in grams of NH3 that can be produced by the reaction of 1.0g of N2 with 3.0g of H2
How can 1-bromopropane be used to prepare each of the following. (a) ethanal (b) propanone
Many fish which normally line in mountain streams (where the water temperature is 0 degrees celcius) die when water in which they live warms up to 25 degrees C. How many oxygen molecules are there in 1.0 ml of water at these two temperatures?
the brown gas no2 and the colorless gas n2o4 exist in equilibrium. in an experiment 0.625 mole of n2o4 was introduced
Calculate the formula of a compound, given that 55.85 g of iron combines with 32.06g of sulfur.
calculate the moles of h2 present in this gas sample. . 9. 1.0 gram of water at 25 c is heated to 100 c at which point
If 10.0mL of acetic acid, CH3COOH, is diluted with water to a total volume of 200.0mL, what is the percent by volume of acetic acid in the solution.
What is the molarity of a solution prepared by dissolving 11.5g of solid NaOH in enough water to make 1.50L of solution?
The structures of the disulfides (MS2) show an apparently unusual trend, proceeding from left to right across the transition series. On the left side (TiS2, ZrS2, MoS2, etc.)
Determine the mass of H 2 O in the flask and it's the true volume at 20° C?(at 20°C the Density g/mL=0.9982071,20°C the volume of 1g of water (mL) corrected for buoyancy is 1.0029 )
organic carbon and that sorption can be described by the following linear model: Ksd=focKow. Estimate the mass of TCE sorbed to the solid material.
A gas occupies 1.55 L at 0.80 atm. What pressure would the gas exert if the volume were allowed to increase to 3.50 L?
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