A gas sample is heated from [ti] oC to [tf] oC and the volume is increased from [vi] L to [vf] L. If the initial pressure is [p] atm, what is the final pressure?
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A [v] L sample of carbon monoxide is at [ti] oC and [po] at…
A [v] L sample of carbon monoxide is at [ti] oC and [po] atm. What volume will the gas occupy at [pf] atm and [tf] oC?
Phenol is a compound which contains 76.57% carbon, 6.43% hyd…
Phenol is a compound which contains 76.57% carbon, 6.43% hydrogen, and 17.0% oxygen. The empirical formula of phenol is:
Express the result of the following calculation in scientifi…
Express the result of the following calculation in scientific notation: 0.0845 cm 2 ÷ 30.2 cm
In the following reaction, which species is the reducing age…
In the following reaction, which species is the reducing agent?3Cu + 6H+ + 2HNO3 → 3Cu+2 + 2NO + 4H2O
In the following reaction, which species is oxidized?8NaI +…
In the following reaction, which species is oxidized?8NaI + 5H2SO4 →4I2 + H2S + 4Na2SO4 + 4H2O
From the following pair choose the one with the larger radiu…
From the following pair choose the one with the larger radius: S or S-2.
When the following equation is balanced in acidic solution;…
When the following equation is balanced in acidic solution; NO3- + I- → IO3- + NO2the coefficient of NO3- is:
A [m] gram sample of potassium chlorate was decomposed accor…
A [m] gram sample of potassium chlorate was decomposed according to the following equation:2KClO3 → 2KCl + 3O2How many moles of oxygen are formed?
The density of gasoline is [d] g/mL at 20 oC. What is the m…
The density of gasoline is [d] g/mL at 20 oC. What is the mass of one gallon of gasoline? (1 qt = 0.9463 L, 4 qt = 1 gal) (answer in grams)