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Problem- In the pyroxene kanoite the formula unit has two SiO3 2- units and is balanced by manganese and magnesium ions. Determine the formula unit of kanoite. Assume that the oxidation state of Mn is +2.
State your answer as a chemical formula, any help is greatly appreciated
what is the freezing point of solution made up of 54.9 g of NaCl dissolved in 800 g of water
Explain a wavelength of 925.4 nm has been detected from the emission of a hydrogen gas tube while under excitation from a high voltage source in a lab. This was caused by an electron dropping from a higher voltage source.
A sample of gas has a mass of 0.565 . Its volume is 119 at a temperature of 80 and a pressure of 746 . Find the molar mass of the gas.
Question- What name is given to the alpha substitution of a carbonyl compound where the electrophilic component is another carbonyl compound
You transfer a sample of a gas at 17*C from a volume of 5.67L and 1.10atm to a container at 37*C that has a pressure of 1.10atm. what is the new volume of the gas?
how do the tests on known solutions containing cations and anions make it possible for you to identify the cation or anions
Which of the following strong electrolytic solutions will have the highest electrical conductivity?
An Erlenmeyer flask weighs 148.8 g when empty. When filled with water (d = 1.00 g/cm^3), the flask and its contents weigh 346.3 g.
In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00 mL of acid in a flask. You quickly add 23.75 mL of 0.0502 M NaOH but overshoot the end point
the smallest atoms can themselves exhibit quantum mechanical behavior. calculate the de broglie wavelength in pm of a
Consider the reaction \rm CO(g) + NH_3(g) \rightleftharpoons HCONH_2(g),~~~~{\it K}_c=0.860 If a reaction vessel initially contains only \rm CO and \rm NH_3 at concentrations of 1.00 M and 2.00 M, respectively, what will the concentration of \rm H..
What is the fate of acetyl CoA in the mitochondria in the presence of the following? (a) high ADP levels? (b) high NADH/NAD+ ratio? (c) low levels of oxaloacetate
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