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Three test tubes, with no labels, are in a test tube rack on the laboratory bench. Lying beside the rack are three labels: silver nitrate (AgNO3) hydrochloric acid, HCl, and sodium carbonate, Na2CO3.You are to place the labels on the test tubes using only the three solutions present. You test them as follows. a) A portion of test tube 1 added to a portion of test tube 2 produces carbon dioxide gas, CO2 b) A portion of test tube 1 added to a portion of test tube 3 produces a white silver carbonate percipitate What is in test tube 1, 2, and 3
The freezing point of pure benzene is 5.50 degrees Celsius and its pooling point is 80.1 degrees Celsius. Explain what can you conclude about the state of benzoic acid molecules at the two different temperatures
What mass of solid potassium nitrite would need to be dissolved in 500. mL of 0.40 M HNO2 to make 500. mL of a NO2?/HNO2 buffer solution that has a pH = 3.25? Ka of HNO2 = 7.1 x 10?4
the only swimming pool at the el cheapo motel is outdoors. it is 5m wide and 12 m long. if the weekly evaporation is
at room temperature 20 degrees celsius milk turns sour in about 63 hours. in a refrigerator at 3 degrees celsius milk
Exactly 25mL of this solution are diluted with deionized water to a new volume of 75mL. The absorbance of this solution is found to be 0.35. How many grams of Kool-Aid were in the opened package?
Diagram the formation of an ether. Name the type of reaction and the ether you created.
Calculate the work, w, if the gas expands against a constant external pressure of 1.00 atm to a final volume of 25.0 L.
a 1.150g of the hydrated salt ZnSO4. XH2O is dissolved in water and the sulfate ion is precipitated by adding an excess of BaCl2 solution. The mass of Pure and Dry BaSO4 precipitated obtained is 0.9335g. What is the formula of the zinc sulfate hyd..
what is the percent h2so4 for a solution consisting of 4.62 equivalencies of h2so4 mixed
HCL solution has a lower concentration than what is indicated. will this result indicate the presence of more or less moles of base in the antacid
Write a balanced chemical equation for the reaction between CN - and MnO4- in basic solution. The skeleton ionic reaction is given below.
Sulfur and fluorine react in a combination reaction to produce sulfur hexafluoride: The maximum amount of SF6 that can be produced from the reaction of 3.5 g of sulfur with 4.5 g of fluorine is
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