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As early as 1938, the use of NaOH was sugested as a means of removing CO2 from the cabin of a spacecraft according to the following (unbalanced) reaction: NaOH + CO2 --> Na2CO3 + H2O
A) If the average human body discharges 925.0g CO2 per day, how many moles of NaOH are needed each day for each person in the spacecraft?
B) How many moles of each product are formed?
What values are quoted in handbooks for common hydrates of your cation?
A 9.1 g sample of C6H5NH3Cl is dissolved in water to make 346 mL of solution. Determine the percentage deprotonation of the cation.
what ph must be maintained by a buffers solution so that no more than 0.010 of the mg2 present in 0.360 m mgcl2 aq
Molecular weight and mole concept explained in this solution, The molecular weight of NaOH is 40. the molecular weight of a widely used buffer, HEPES, is 255
At 400°C, Kc = 64 for the equilibrium H2(g) + I2(g) 2HI(g). If 3.00 mol H2 and 3.00 mol I2 are introduced into an empty 4.0 L vessel, find the equilibrium concentration of HI at 400ºC. A) 0.15 M B) 1.2 M C) 2.4 M D) 4.8 M E) 5.8 M
ammonia and hydrazine are both compounds of nitrogen and hydrogen.based on the law of multiple proportions how many
One mole of a monatomic ideal has at a temp of 500K and 6atm pressure is subjected to the following changes: (all are reversible changes)
a 365.0g sample of water,contains 23mg Au. How much gold is present in the sample in parts per million?
A blank titration of 10mL of similar solution containing no oxalic acid required 0.04mL to exhibit dectectable color. Find the concentration of oxalic acid in the unknown
The addition of anhydrous calcium chloride to the crude product obtained from the separation procedure often results in the product becoming clear (transparent). What causes the clearing?
The amount of energy needed to heat 2.00 g of carbon from 50.0°C to 80.0°C is 42.6 J. The specific heat capacity of this sample of carbon is ?
The density of aluminum is 2.70 g/cm3 and the density of chromium, is 7.19 g/cm3. If equal masses of aluminum and chromium are transferred to equal volumes of water in separate graduated cylinders, which graduated cylinder would have the greatest ..
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