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What mass of Sodium Hydrogen Carbonate (Sodium Bicarbonate) are required to completely react with(neutralize) 2.5 moles of Hydrochloric Acid (HCl).
Compare and contrast the number of representative particles and the mass of UF6 with the number of representative particles and mass of CCl3CF3. Explain any differences you observe.
Rubidium has two naturally occuring isotopes. The relative abundance of rubidium-85 is 72.17%; its atomic mass is 86.91 amu. Determine the average atomic mass of rubidium.
How much copper metal can be obtained by the single replacement reaction between copper (1) nitrate and 30.0g of iron metal. (iron (2) nitrate is formed.)
If the electron affinity for an element is a negative number does it mean that the anion of the element is more stable than the neutral atom. Explain
determine the mass of carbon dioxide produced when .85 grams of butane reacts with oxygen according to the following
What is the volume of one mole of hydrogen gas at 273 K and 760 torr? What is the volume of one mole of oxygen gas under the same conditions?
how many grams of dry nh4cl need to be added to 2.40 l of a 0.400 m solution of ammonia nh3 to prepare a buffer
the following amino acids are placed in an electric field between positive and negative poles. which will migrate the fastest toward the positive end of the electric field
a 0.30 m solution of sucrose c12h22o11 at 37oc has approximately the same osmotic pressure as blood. what is the
diethyl either is 34.5C and its latent heat of vaporization is 6.38 kcal/mol. Calculate its vapor pressure
a metal object with a mass 19 degrees celsius is heated to 96 degrees celcius, then transfered to a calorimeter containing 75 grams of water at 18 degrees celcius. the water and metal object reach a final temperature of 22 degrees celcius? what is..
Calculate the work (in kJ) when 1.70 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K
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