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C10H12O4S(s) + ...O2(g) ? ...CO2(g) + ...SO2(g) + ...H2O(g) When the equation above is balanced and all coefficients are reduced to their lowest whole-number terms, the coefficient for O2(g) is A. 6 B. 7 C. 12 D. 14 E. 28
An element has two isotopes with masses of 62.9396 u and 64.9278 u,and 30.83% of the atoms are the heavier isotope. Calculate the atomic mass of this element and give its name and symbol.
How many grams of NaNO2 form when 429 g NaNO3 react? The yield is 90.%.
952 cm3 container of gas is exerting a pressure of 108 kpa while at a temperature of 48 degrees celsius. calculate the pressure of this same amount of gas in a 1236 cm3 at a temperature of 64 degrees celsius.
Nitartion of ferrocene not possible why, Ferrocene cannot be nitrated using the conventional HNO3-H2SO4 mixed acid conditions, even though nitration is an electrophilic aromatic substitution reaction. Explain.
Strawberries contain about 15 wt% solids and 85 wt% water.To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass.
The normal respiratory rate for a human being is 25.0 breaths per minute. The average volume of air for each breath is 505 cm3 at 20.0 degrees Celsius and 9.95 times ten to the fourth Pa.
A strip of electrolytically pure copper weighing 3.178 gram is strongly heated in a stream of oxygen until it is all converted to a black oxide. The resultant black powder weighs 3.978 g. What is the formula of the oxide?
When we extrapolate concentration dependent values to zero solute concentration, what do these extrapolated values mean physically
An an isothermal process, the pressure on 1 mol of an ideal monatomic gas suddenly changes from 4.00 atm to 100.0 atm at 25°C. Calculate w
An unknown compound with a molecular formula of C8H18 reacts with chlorine in the presence of light and heat
A reaction of one liter of chlorine gas with 3 liters of fluorine gas yields 2 liters of a gaseous product. All gas volumes are at the same temperature and pressure. What is the formula of the gaseous product?
Ethylene gycol has a density of 1.11g/mL. What is the volume of 30.0 g of ethylene glycol?
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