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By what percentage does a dilute aqueous solution expand when heated form 15 degrees C to 25 degrees C? If a 0.5000 M solution is prepared at 15 degrees C, what would its molarity be at 25 degrees C?
A japanese car is advertised as having a gas mileage of 15 km/L. Convert this rating to miles per gallon.
Rank the following atoms (from smallest to largest) based on which would have the largest second ionization energy?
if you have 310 mL of water at 25 degrees celsius and 110mL of water at 95 degrees celcius, what is the final temperature of the mixture?
A student analyzed an antacid tablet from a bottle containing 120 tablets purchased for $2.79. The mass of the tablet was 1.247 grams. What is the cost of one antacid tablet in cents/tablet.
Why are active on-duty firefighters likely to experience the adverse health effects from inhaling 300 ppm of carbon monoxide faster than nonactive off-duty firefighters who inhale the same concentration of the same substance?
What are the Bi and Bi+ quantum numbers of the electron removed when Bi is ionized to Bi+?
A gas contains 17% O2, 11% CO2 and 72%N2. It is at 1.013 *105 Pa pressure. Calculate the partial pressure of each component
The water level in a graduated cylinder initially at 210 rises to 277 after a piece of lead is submerged. What is the mass in grams of the lead.
A mixture of Ar and N2 gases has a density of 1.416 at STP. What is the mole fraction of each gas?
A sample of gas with a mass of 1.80 g occupies a volume of 921 mL at a pressure of 733 torr and a temperature of 24 C. What is the molar mass of the gas?
1) What type of intermediate is formed in the polymerization of styrene with butllithium? a) radical b) carbanion
Which of the following molecules is polar?
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