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The specific heat of liquid bromine is 0.226 J/g-K. How much heat (J) is required to raise the temperature of 10.0 mL of bromine from 25.00 °C to 27.30 °C? The density of liquid bromine is 3.12 g/mL.
write two equations that show thw two-stage ionization of sulfurous acis in water.(H2SO3) which stage of ionization is likely favored?
Maria wants to plant a small tomato garden in her yard. She bought 25 tomato plants, and she has read that ideally tomatoes are planted in a square grid
A 25.0 mL bubble is realeased from a diver's air tank at a pressure of 4.00 atm and a temperature of 11 C. what is the volume of the bubble when it reaches the ocean surface where the pressure is 1.00 atm and the temperature is 18 C?
How many minutes would be required to electroplate 25.0 g of manganese by passing a constant current of 4.8 A through a solution containing MnO4 -
Calculate the molar mass (g/mol) of a gas whose root mean square speed is 796 m/s at 512 K.
All of the potassium reacted to produce bubbles of hydrogen gas, which, because of the extraordinary care that was taken, did not ignite. How much hydrogen gas was produced, in units of moles?
Find the pH of a solution that has a weak acid concentration of 1.72 M and a weak base concentration
when 2.00 x 10 3 g of CaCo3 are heated the actual yield of Cao is 1.05 x 10 3 g. what is the percent yield?
A growth factor for cells was identified from extracts of rat brain. Preliminary characterization was done on this activity using several methods.
After the addition of the ammonium ion to a dilute solution of ammonia containing phenolphtalein it became much paler. Please explain why with LeChatelier principles.
A certain reaction, a+b=c is the first order with respect to each reactant, with k=1.0x10-2l.mol-1s-1. Calculate the concentration of A remaining after 100s if the initial concentration
If the temperature in the chamber is 103 °C after the charge is ignited, what is the pressure, in atmospheres, behind the cannonball when the gunpowder goes off?
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