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A. How many grams of can be produced from 4.40mol of Na B. How many grams of H2 are needed to produce 14.81g of Na ? C. How many molecules (not moles) of NH3 are produced from 8.22×10?4g of H2
For the compound MX, Ksp is 2.00 × 10-11. The anion X- forms the weak acid HX (Ka = 1.8 × 10-5). Calculate the solubility of MX in 10.00 M strong acid
gold has a density of 19.3 g/ml. Suppose you have 100.0 glonkins of gold. what volume in liters will the gold occupy. please use unit analysis 0.911 ounce per glonkin and 28.35 grams
Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable first approximation.)
Where does the extra electron come from when determining the formal charge of NH2? N has 5 valence electrons and H each have one which lead to two bonds and one lone pair and one lone electron which equals a formal charge
At 450 K the equilibrium concentrations for the following reaction was measured and used to calculate the kc value of 0.0431. What is the value of Kp for the Reverse reaction under the same conditions
Calculate the standard enthalpy change, the standard entropy change, and the standard free energy change for the reaction: N2 (g) + 3 F2 (g) ? 2 NF3 (g) How will the sign of ?G change as the temperature increases
what is the balanced equation for the main reaction? equation for important side reactions? why was ethanol, not methanol, used as the organic solvent?
the temperature unknown. When the volume changes to 1.68L the temperature is found to be -220oC. What was the initial temperature in C?
A buffer is initially 0.180M in 4-nitrophenol (HC6H4NO3) and 0.200M in potassium 4-nitrophenolate (KC6H4NO3). The Ka of 4-nitrophenol is 3.8*10^-4 and the buffer has a pOH = 3.47. If 0.20g on NaOH were added to 100ml of this buffer what would the ..
List 2 major factors that will affect the accuracy of your data and how you can improve the experiment
Provide an explanation on why the methylene unit between the two carbonyl groups is more acidic than each of the methyl groups in acetylacetone. In the reaction conditions, what is the base responsible for the deprotonation of acetylacetone
Find the pH during the titration of 20.00 mL of 0.1760 M butanoic acid, CH3CH2CH2COOH (Ka = 1.54 10-5), with 0.1760 M NaOH solution after the following additions of titrant.
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