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An aqueous solution that contains 329 ppm of KNO3 is being used to feed plants in a graden. What volume (in mL) of this solution is need to prepare 9 L of a solution that is 23 ppm in KNO3?
Compute the change in temperature for 4.50 grams of Calcium chloride CaCl 2 dissolved in 90.0 mL of water H 2 O. (Assume that the calorimeter absorbs no heat )
Reduce the production of hazardous waste and encourage recycling and reuse of hazardous materials by charging producers a tax or fee for each unit of waste generated.
Calculate Gibbs free energy and determine the type of thermodynamic reaction and what type of thermodynamic reaction is shown.
Determination of the partial pressures of the gases - Find the partial pressure of each of these gases in the final product mixture.
A 706 mL gas sample at STP is compressed to a volume of 248 mL, and the temperature is increased to 39?C. What is the new pressure of the gas in Pa.
A sample of 57 grams of H 2 O with a temperature of sixteen degree celsius is combined to 260 grams of H2O at 90 degree celsius in an insulated container. Determine the final temperature after thermal equilibrium is reached?
Acetylene gas (C2H2) is produced by adding water to Calcium carbide CaC2. How many grams of acetylene are produced by adding water to 5g CaC2?
The Ksp for PbSO4 = 2.53 X 10-8. What is the molar solubility of PbSO4 in a 4.20M solution of gallium sulfate?
Determine the value of the equilibrium constant at this temperature - Ammonium Hydrosulfide NH4HS yields NH3(Ammonia) and Hydrogen sulfide
Garlic smell is easily noticable due to the compound that is responsible for this is Allicin , when we analysed this compaound and find out molecular formula of molar mass= 486 grams
When 24 copper pennies are submerged in water, the pennies displace 8.26 cm3 of water. If the combined mass of the pennies is 73.86 g, what is the density of copper?
Calculate the length in km of a row containing 1 mole of hydrogen atoms laid side to side if diameter of a hydrogen atom =.212 nm?
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