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If you take a 10.0 mL portion of a 14.8 M ammonia solution and dilute it to a total volume of 0.250 L, what is the concentration of ammonia in the final solution? Provide an answer correct to 2 significant figures. For example, if you calculate that the correct answer is 12 milliliters, simply type 12 in the box. Do not answer this question using scientific notation. Do not include units in your answer.
Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
suppose you have a stoppered ?ask containing co2 gas at room temperature and pressure. if the volume of your stoppered
How much of this rock (in kg ) must be processed to obtain 5.5 metric tons of lead? (A metric ton is 1000 kg.) Express your answer using two significant figures.
no decomposes to nitrogen and oxygen gases at high tempeature according to the following equilibrium2no lt-gt n2 o2all
the system achieves thermoequilibrium at atmospheric pressure. Assume no heat loss to the surroundings. What is the final temperature of the combined metal sheets?
calculate the molality of each of the following solutions: a)14.3g of sucrose in 676g ofwater b)7.20 moles of ethylene glycol in 3546g of water.
question 6g of metal m react with 23.66g of chlorine to form 29.66g of the metallic chloride. find the empirical
Show that there are 1.0 X 10^22 (10 to the 22nd power) carbon atoms in a 1-carat pure diamond that has a mass of 0.20 g.
Phosgene (carbonyl chloride),COCl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. Phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: CO(g)+Cl2(g)?COCl2(g)
As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the potential to kill weeds effectively.
Assuming the diver took a deep breath (6.0L in her lungs)at 1.0 atm just before entering the water, what will be the volume of air in her lungs when she gets to 10 feet of depth? She does not exhale while descending.
What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 1.9 L of 1.250 M NH4NO2 decomposes at 25 degrees C? NH4NO2 --> N2 + 2 H2O
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