How much heat would be released by its complete combustion
If a bottle of nail polish remover contains 151 g of acetone, how much heat would be released by its complete combustion?
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What mass of magnesium is required to produce enough gas to exert a ... exert a partial pressure of 0.50 atm in a 50.0 mL flask at a temperature of 25.0 C
A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.825 A) sin [(286 rad/s)t]. (a) What is the frequency of the alternating current? (b) Determine the resistance of the
It takes 47 mL of 0.124 M KOH to neutralize 47.8 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in units of moles/liter
Determine the element with lowest atomic number that contains a complete d subshell in the ground state element symbol only
A water bath of 100.0 degrees Celsius so the liquid can vaporize it is then removed from the bath and capped. What is the mass of the 514.0 mL flask after the liquid is evaporated?
A block of mass 0.24 kg is placed on a verti- cal spring of constant 6030 N/m and pushed downward, compressing the spring 0.09 m. After the block is released it leaves the spring and continues to travel upward. The acceleration of gravity is 9.8 m
Archaeologists measure a pre-Columbian ceremonial structure and obtain the dimensions shown.
What is the molecular formula of a compound given the molar mass of the compound is 205.4 g/mol and the empirical formula is C3H5?
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