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Determine the reaction equation and molal air/fuel ratio for the combustion of dimethyl ketone (acetone), CO(CH3)2, with
a. 0.00% excess air.
b. 100.% excess air.
c. 30.0% theoretical air.
Convert the mass of Na2CO3 to moles, given its molecular weight (MW) of 105.989 g/mole.Convert the mass of NaCl to moles, given its molecular weight (MW) of 58.443 g/mole
You add 10.0 mls of 0.100 M H2SO4(aq) to 10.0 mls of 0.100 M NaOH(aq). How many moles of water are formed. Is there a limiting reagent. Select one: a. 0.00200 moles b. 0.00100 moles c. 0.200 moles d. 0.100 moles
what is the purpose of a buffer system? b)what is the purpose of NaNO2 in the buffer? c)how does the buffer react when some H3O^+ is added? d)how does the buffer react when some OH^- is added?
What observed rotation is expected when a 1.50 M solution of (R)-2-butanol is mixed with an equal volume of a 0.750 M solution of racemic 2-butanol
Concentrated hydrochloric acid solution contains 37.2 m/m% HCl. What mass of HCl is contained in 35.5g of concentrated HCl
A 6.11g sample of Cu-?Zn alloy reacts with excess aqueous HCl producing 1.26 L of H2(g) at 22.0 ?C and 728 torr. Since only the Zn portion of the alloy reacts, calculate the percent Cu in the alloy.
What volume of 0.22 M FeCl3 (mL) should be diluted to 440 mL to make a solution containing .017 M Cl-
how many grams of potassium chloride will be generated on decomposition of 225 grams of potassium
When 4 g sample of NH4NO3(s) was dissolved in 60 g of water in a coffee-cup calorimeter, the temperature drops from 296 to 291 K.
Question- If a gaseous mixture of N2O4 and NO2, both at .5 atm is introduced into a previously evacuated vessel, which of the 2 gases will spontaneously convert to the other at 298.15K?
write a balanced equation for the reaction between the iodide ion, a peroxide, and the hydrogen ion.
use average bond energies to estimate the energy change in kjmol for the reaction all bonds are single bonds except as
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