ou are performing a ton test for household ammonia. you place 150 ml of distilled water in a 500 ml beaker first. you added 1 ml of the household ammonia and add distilled water to top up a total volume of 200 ml, the odor can be detected in this dilution. take 50 ml of the above diluted sample as an intermediate sample and continually dilute it to 200 ml and the odor is still detectable. you decided to reduce to 10 ml of the first time diluted household ammonia and the odor was just detectable. how much is the ton of the household ammonia

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation. 8. when a 2.5 mol of sugar (c12h22o11) are added to a certain amount of water the boiling point is raised by 1 celsius degree. if 2.5 mol of aluminum nitrate is added to the same amount of water, by how much will the boiling point be changed? show all calculations leading to your answer or use 3 – 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100⁰c, how much steam at 100⁰c is produced? show all calculations leading to an answer. 10. the freezing of water at 0⁰c can be represented as follows: h2o (l) ↔ h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 – 4 sentences explain why applying pressure causes ice to melt.

What causes most sediment to wash or fall into a river