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A drop of concentrated hydrochloric acid (12M) falls into a pond containing 3x105L of pure H2O. Presuming the volume of a drop is .25mL explain what is the pH of the pond after the acid is added?
Write and balance the given chemical equation and Write a balanced equation for this reaction
Considering given equation as P4(s) + 5 O2(g) P4O10(s) where ΔH = -3013 kJ/mol you just need to compute the heat evolved when 436 grams of white Phosphorous (P4)burns in air according to the given equation as above.
what is an example of a hypothesis testing for the percentage of ethanoic acid in vinegar? Give me examples of hypotheses and how to test them. thanks :)
Convert the initial rate from units of abs/s to [o-NPG]/s. Use a cell path length, l=1cm and molar extinction coefficient of e=3550 M^-1 cm^-1. Remember that A=ecl where c is concentration.
sodium hydroxide do you need to add to the volumetric flask before you dilute the solution to volume with distilled water?
DRAW a flow chart to show how triphenylmethanol is purified by extraction. Indicate which layer contains the product.
How many milliliters of 5.00 M HCl solution are needed to provide the 1.50 moles of HCl needed for a reaction?
How much heat is required to vaporize 353 g of liquid ethanol at its boiling point? ΔHvap = 38.6 kJ/mol.
briefly describe your synthetic strategy. you may use any reagents of your choice. if any reagent you wish to use is unstable and has a small shelf-life
Calculate the molar mass of a gas if 4.40 g occupies 3.50 L at 560 torr and 41°C.
Magnesium reacts with iron(III) chloride to form magnesium chloride and iron. 3Mg(s) + 2FeCl3(s) => 3MgCl2(s) + 2Fe(s)
Explain how molecular spectroscopy can be used for either the measurement or identification of a molecule.
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