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How much ice (in grams) would have to melt to lower the temperature of 355 mL of water from 26 degrees C to 6 degrees C?
You have a balloon that is not permeable to gas molecules. The balloon is spherical and has a circumference of 3.141592654 m when it is filled with a gas at 20 EC and 1.0000 atm pressure.
for the reaction represented by the equation cl2 + 2kbr 2kcl +br2 how many moles of potassium chloride are produced from 119 g of potassium bromide?
A graduate student tried to make -fluorophenylmagnesium bromide by adding magnesium to an ether solution of -fluorobromobenzene.
the steam distillate contains a significant quantity of water, along with the cyclohexanone. how is the water removed from the steam distillate?
CH4(g) + 2 O2 --> CO2(g) + H2O(g) suppose 1.5 mol of methane is allowed to react with 4 mol of oxygen. what is the limiting reagnant?
Radical chlorination of pentane is a poor way to prepare 1-chloropentane but radical chlorination of a neopentane, (CH3)4C, is a good way to prepare neopentyl chloride
Express your answers using two significant figures. Enter your answers numerically separated by commas. [HCO2H], [HCO?2], [H3O+], [OH?] = Part C Also calculate the percent dissociation. Express your answer using two significant figures.
If the barometric pressure is 784 torr and the experiment is carried out at 25 oC, what is the pressure of the gas collected?
Calculate the equilibrium constant (Keq) for the reaction of equimolar amounts of acetophenone and sodium hydroxide to generate the enolate.
A soln was made by dissolving 5 g of sodium iodide in enough water to make 500mL of soln. What is the expected percent transmittance for this soln?
A 4.60 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C? The specific heat of gold is 0.129 J/(g·°C).
a sample of oxygen gas has a volume of 2.73 dm3 at 21.0 c . at what temperature would the gas have a volume of 4.00
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