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What is the ratio of atoms of hydrogen to atoms of oxygen, H:O, in ammonium sulfate, (NH4)2SO4? Please explain.
ethylene glycol hoch2ch2oh is effective as an antifreeze but it also raises the boiling temperature of automobile
A 29.20 g piece of iron and a 25.30 g piece of gold at 100.0 degree C were dropped into 980.0 mL of water at 15.65 degree C. The molar heat capcities of iron and gold are 25.19 J/(mol degree C) and 25.41 J/(mol degree C), respectively.
Question- What information would you provide to an organization or your employer on why database systems should be used. Explain the solution no word count
Classify the following systems as either open, or closed andthermally insulated, or thermally connected, or isolated. a) Hot coffee in a cup
calculate the molality and molarity of an nh3 solution made up of 37.0 g of nh3 in 70.0 g of water. the density of the
For the dissociation of acetic acid, CH3COOH CH3COO- + H+, the free energy change, ΔG° = 27.26 kJ/mol. What is the free energy change, ΔG°', in the biochemical standard state? Given R = 8.315 J/mol · K. T = 25°C.
Imagine that you are a geologist trying to determine the amount of iron in the samples of rocks in a mountain side. A typical reaction used to determine the amount of iron in a sample is to combine it in a reaction with permanganate ion, MnO4-, with ..
How many of these nuts would a 67kg person have to eat to obtain enough energy to bike (racing)for 40min?
At what wavenumber would you expect to see an absorbance in the IR if your sample contained water as an impurity?
pure ag melts at 961.8 degc and boils at 2162 degc. the heat of fusion for ag is 11.28kj per mol and the heat of
A blank titration of 10mL of similar solution containing no oxalic acid required 0.04mL to exhibit dectectable color. Find the concentration of oxalic acid in the unknown
A certain carbon-hydrogen compound contains 84.1% C by mass and the remainder is hydrogen. What is the empirical formula of the compound
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