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Problem- How much heat (in kj) is required to warm 10.0 g of ice, initially at -10.0 degrees Celsius to steam at 110.0 degrees Celsius? The heat capacity of ice is 2.09 J/g Celsius and of steam is 2.01 J/g Celsius
Please answer only if you are 100% confident
New ads for the toyota Prius claim that it has saved over 1 billion gallons (2.8 x 10^9kg) of gasoline. Assuming that gasoline is 100% octane (C8H18) how much has the prius reduced emissions of carbon dioxide.
Decribe how to prepare 2.0 liters of a .20 M NaOH solution from 50%. (w/w) Naoh solution that has a density of 1.53 g/mL, and doing all measurements by volume, not mass.
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
Using Slater's rules, calculate the relative effective nuclear charge on a 3p electron in : a)aluminum and (b) chlorine. Explain how results relate to:-the relative atomic radii of the two atoms
What is the pH of pure water at 40 degrees C if the Kw at this temperature is 2.92 x 10 to the -14th
Determine the molar heat capacity of a solid sample from the observation that transferring the sample with n = 2.45 mol from boiling water (at constant ambient pressure) into 232.0 g of water initially at 25.1ºC raised the water temperature to 33...
What volume of 0.200 M HCl must be added to 500.0 mL of 0.250 M NH3 to have a buffer with a pH of 9.00
in a certain experiment 28.0 ml of 0.250 m hno3 and 53.0 ml of 0.320 m koh are mixed. calculate the amount of water
sample of KHP required 33.86 mL of sodium hydroxide, what was the molarity of the sodium hydroxide solution?
Suppose if Nicotinic acid, HC6H4NO2 is a weak monoprotic acid. A 5.7x10-2 M nicotinic acid is 1.6% ionized. Define what is the Ka for this acid
Solve an equilibrium problem (using an ICE table) to calculate the of each of the following solutions. A.) .16 M CH3NH2
Draw skeletal structure of major product for 1-iodo-4-methyl cyclohexane when reacted with NaSCh2Ch3
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