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Sodium carbonate Na2CO3 is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 2.01×10^3 kg of sulfuric acid solution A tanker truck carrying 2.01×103 kg of concentrated sulfuric acid solution tips over and spills its load. The sulfuric acid solution is 95.0% H2SO4 by mass and has a density of 1.84g/L
A piece of charcoal from a tree killed by the volcanic eruption that formed the crater in Crater Lake (in Oregon) gave 7.0 disintegrations of carbon-14 nuclei per minute per gram of total carbon.
A solution of 0.2113 g of water dissolved in 25.0 g of a solvent freezes at 11.5 °C below the freezing point of the solvent. What is Kf for this solvent?
A 10.0-mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
Describe the processes of fatty acid oxidation and synthesis in animal tissues, pointing out their similarities and differences
An iron bar of mass 781 g cools from 94°C to 5°C. Calculate the heat released (in kilojoules) by metal.
Lead(II) sulfide reacts with hydrogen peroxide to form lead(II) sulfate and water. How many grams of hydrogen peroxide (H2O2) are needed to react completely with 265 g of lead(II) sulfide
When 20.0 grams of an unknown compound are dissolved in 500. grams of benzene, the freezing point of the resulting solution is 3.77°C. The freezing point of pure benzene is 5.48°C, and Kf for benzene is 5.12°C/m. What is the molecular weight of th..
Write out two net ionic equations for the reaction of hydrochloric acid with carbonate to form bicarbonate and the reaction of hydrochloric acid
Which of these is likely to be the best conductor of electricity?
What would be the relative standard deviation in the molarity of the base if the standard deviation in the measurement of mass in a.) is .002g and this uncertainty limits the precision of calculation?
Write the balanced molecular equation for the combustion of methanethiol in an excess supply of oxygen.
How do you find the ratio of the cis and trans isomers from the H NMR spectrum?
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