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You have a large containerized planting that contains 79kg of soil. An analysis shows that you need to neutral 3.27 meq/100gof acidity. How much of finely ground pure CaCO3 (in grams) is required to neutralize the acidity of this soil?
A solution of iodine was standardized with ascorbic acid. A 0.1150 g sample of ascorbic acid required 28.37 mL of I2 to reach a starch end point. Calculate the molarity of the iodine solution.
What are the advantages of the Stock system of nomenclature over the former one?
the molar heat capacities of iron and gold are 25.19J/(mol*degrees celsius) and 25.41 J/(mol*degrees celsius), respectively. what is the final temperature of the water and pieces of metal?
Here is the question and I need help showing the whole problem and solution. It says: Solid Chromium (III) Sulfide is placed in a test tube and mixed with water
how does a water softener work chemically? What's better to drink tap water or bottle springwater and why?
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 9.30 MJ of energy (in the form of heat) if the temperature of the sodium
The heat of vaporization of water is 44.0 {rm kJ/mol}. Calculate the quantity of energy released when enough water vapor condenses to form 0.42 inches of rain over an area of one square mile.
What will happen to the equilibrium as OH- ions are added?
If there are three electrons in 2p, the electrons will differ in: a) principle quantum number b) secondary quantum number
By mass spectral analysis, a sample of strontium is known to contain 2.64x1010 atoms of Sr-90 as the only radioactive element. The absolute disintegration rate of this sample is measured as 1238 disintegrations per minute. Calculate the half-life ..
How many moles of phosphine (PH3) are produced for every 4.0 moles of hydrogen that react according to the chemical equation below?.
State what are the most common agents in polymer degradation
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